ASTContext.cpp revision c7ff82c2040f45eaad2eddea0e4461dddc972cd1
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()), 11210738d36b150aa65206890c1c845cdba076e4200Douglas Gregor NTTP->isParameterPack(), 1133e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 0)); 1143e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor else 1153e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back(getCanonicalTemplateTemplateParmDecl( 1163e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor cast<TemplateTemplateParmDecl>(*P))); 1173e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 1183e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1193e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *CanonTTP 1203e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = TemplateTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 1213e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), TTP->getDepth(), 1223e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->getPosition(), 0, 1233e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList::Create(*this, SourceLocation(), 1243e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), 1253e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.data(), 1263e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.size(), 1273e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation())); 1283e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1293e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Get the new insert position for the node we care about. 1303e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); 1313e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor assert(Canonical == 0 && "Shouldn't be in the map!"); 1323e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor (void)Canonical; 1333e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1343e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Create the canonical template template parameter entry. 1353e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = new (*this) CanonicalTemplateTemplateParm(CanonTTP); 1363e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonTemplateTemplateParms.InsertNode(Canonical, InsertPos); 1373e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor return CanonTTP; 1383e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor} 1393e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 140071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI *ASTContext::createCXXABI(const TargetInfo &T) { 141ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall if (!LangOpts.CPlusPlus) return 0; 142ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall 14320cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis switch (T.getCXXABI()) { 144ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall case CXXABI_ARM: 145ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall return CreateARMCXXABI(*this); 146ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall case CXXABI_Itanium: 147071cc7deffad608165b1ddd5263e8bf181861520Charles Davis return CreateItaniumCXXABI(*this); 14820cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis case CXXABI_Microsoft: 14920cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis return CreateMicrosoftCXXABI(*this); 15020cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis } 151ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall return 0; 152071cc7deffad608165b1ddd5263e8bf181861520Charles Davis} 153071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 15461710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerASTContext::ASTContext(const LangOptions& LOpts, SourceManager &SM, 155444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar const TargetInfo &t, 156e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar IdentifierTable &idents, SelectorTable &sels, 1571b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 15863fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor unsigned size_reserve) : 159ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationTypes(this_()), 160ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationTypes(this_()), 161006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis GlobalNestedNameSpecifier(0), IsInt128Installed(false), 162006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis CFConstantStringTypeDecl(0), NSConstantStringTypeDecl(0), 163782fa308a765aeac2acb39c4e697c937ec21185bMike Stump ObjCFastEnumerationStateTypeDecl(0), FILEDecl(0), jmp_bufDecl(0), 164083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump sigjmp_bufDecl(0), BlockDescriptorType(0), BlockDescriptorExtendedType(0), 165bf1a028246d884a540aeafa38e89be59a269b072John McCall NullTypeSourceInfo(QualType()), 166071cc7deffad608165b1ddd5263e8bf181861520Charles Davis SourceMgr(SM), LangOpts(LOpts), ABI(createCXXABI(t)), Target(t), 1672e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Idents(idents), Selectors(sels), 168ac9590effa90406767a544005ed1de52e258306bTed Kremenek BuiltinInfo(builtins), 169ac9590effa90406767a544005ed1de52e258306bTed Kremenek DeclarationNames(*this), 1709a44b5f5593bd8a385d06b07c564795f643ec8daArgyrios Kyrtzidis ExternalSource(0), Listener(0), PrintingPolicy(LOpts), 171f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek LastSDM(0, 0), 172f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek UniqueBlockByRefTypeID(0), UniqueBlockParmTypeID(0) { 1730f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCIdRedefinitionType = QualType(); 1740f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCClassRedefinitionType = QualType(); 17563fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor ObjCSelRedefinitionType = QualType(); 1761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 177e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 17814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff InitBuiltinTypes(); 179e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 180e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 1823478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // Release the DenseMaps associated with DeclContext objects. 1833478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: Is this the ideal solution? 1843478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek ReleaseDeclContextMaps(); 1857d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 18663fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Call all of the deallocation functions. 18763fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (unsigned I = 0, N = Deallocations.size(); I != N; ++I) 18863fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor Deallocations[I].first(Deallocations[I].second); 1890054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 1907d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // Release all of the memory associated with overridden C++ methods. 1917d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor for (llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::iterator 1927d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM = OverriddenMethods.begin(), OMEnd = OverriddenMethods.end(); 1937d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM != OMEnd; ++OM) 1947d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM->second.Destroy(); 1953478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek 196dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // ASTRecordLayout objects in ASTRecordLayouts must always be destroyed 19763fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // because they can contain DenseMaps. 19863fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (llvm::DenseMap<const ObjCContainerDecl*, 19963fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor const ASTRecordLayout*>::iterator 20063fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor I = ObjCLayouts.begin(), E = ObjCLayouts.end(); I != E; ) 20163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Increment in loop to prevent using deallocated memory. 20263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 20363fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor R->Destroy(*this); 20463fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor 205dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek for (llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 206dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { 207dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // Increment in loop to prevent using deallocated memory. 208dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 209dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek R->Destroy(*this); 210dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek } 2116320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 2126320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor for (llvm::DenseMap<const Decl*, AttrVec*>::iterator A = DeclAttrs.begin(), 2136320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AEnd = DeclAttrs.end(); 2146320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A != AEnd; ++A) 2156320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A->second->~AttrVec(); 2166320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 217ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 2180054531488928a424666ac11fcdc6bcc5112de52Douglas Gregorvoid ASTContext::AddDeallocation(void (*Callback)(void*), void *Data) { 2190054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor Deallocations.push_back(std::make_pair(Callback, Data)); 2200054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor} 2210054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 2232cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 2242cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 2252cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 2262cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, "*** AST Context Stats:\n"); 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d types total.\n", (int)Types.size()); 2307c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 231dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 2321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 233dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 234dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 235dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 236dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 237c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 240dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 2415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 243dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 244dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 245dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 246dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 247dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, " %d %s types\n", (int)counts[Idx], #Name); \ 248dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 249dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 250dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 251dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 2521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 253dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, "Total bytes = %d\n", int(TotalBytes)); 254ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor 2554923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor // Implicit special member functions. 2561827403a7138946305c0058f262e02b595cf882fDouglas Gregor fprintf(stderr, " %u/%u implicit default constructors created\n", 2571827403a7138946305c0058f262e02b595cf882fDouglas Gregor NumImplicitDefaultConstructorsDeclared, 2581827403a7138946305c0058f262e02b595cf882fDouglas Gregor NumImplicitDefaultConstructors); 259225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor fprintf(stderr, " %u/%u implicit copy constructors created\n", 260225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor NumImplicitCopyConstructorsDeclared, 261225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor NumImplicitCopyConstructors); 262a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor fprintf(stderr, " %u/%u implicit copy assignment operators created\n", 263a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor NumImplicitCopyAssignmentOperatorsDeclared, 264a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor NumImplicitCopyAssignmentOperators); 2654923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor fprintf(stderr, " %u/%u implicit destructors created\n", 2664923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor NumImplicitDestructorsDeclared, NumImplicitDestructors); 2674923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor 2682cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 2692cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor fprintf(stderr, "\n"); 2702cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 2712cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 272ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor 27363fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor BumpAlloc.PrintStats(); 2745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 277e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 2786b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 279e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 2806b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 2815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinTypes() { 2845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 2851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 2881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 29215b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 2935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 2945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 2955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 2975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 2985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 3021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 3091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 3135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 31464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 3152df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 3162df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 3172df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 3182df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 3193f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (LangOpts.CPlusPlus) { // C++ 3.9.1p5 3203f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (!LangOpts.ShortWChar) 3213f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_S); 3223f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner else // -fshort-wchar makes wchar_t be unsigned. 3233f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_U); 3243f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner } else // C99 3253a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 32664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 327f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 328f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 329f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 330f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 331f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 332f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 333f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 334f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 335f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 336f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 337898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 338898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 339898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 340898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 341898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 342898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 3438e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 3442a984cad5ac3fdceeff2bd99daa7b90979313475John McCall // Placeholder type for functions. 3452a984cad5ac3fdceeff2bd99daa7b90979313475John McCall InitBuiltinType(OverloadTy, BuiltinType::Overload); 3462a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 3471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Placeholder type for C++0x auto declarations whose real type has 348e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // not yet been deduced. 3492a984cad5ac3fdceeff2bd99daa7b90979313475John McCall InitBuiltinType(UndeducedAutoTy, BuiltinType::UndeducedAuto); 3501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 3558e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 3567e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 3571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 358de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // "Builtin" typedefs set by Sema::ActOnTranslationUnitScope(). 359de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = QualType(); 360de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = QualType(); 36113dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = QualType(); 3621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36313dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 364de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 365de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 36613dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 36714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 368a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 3691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 37133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 3726e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 3736e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 3746e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 37778a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios KyrtzidisDiagnostic &ASTContext::getDiagnostics() const { 37878a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis return SourceMgr.getDiagnostics(); 37978a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis} 38078a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis 3816320064d0c60fa8683f5623881c9394fd4aa7689Douglas GregorAttrVec& ASTContext::getDeclAttrs(const Decl *D) { 3826320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AttrVec *&Result = DeclAttrs[D]; 3836320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (!Result) { 3846320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor void *Mem = Allocate(sizeof(AttrVec)); 3856320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Result = new (Mem) AttrVec; 3866320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 3876320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 3886320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor return *Result; 3896320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 3906320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 3916320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor/// \brief Erase the attributes corresponding to the given declaration. 3926320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregorvoid ASTContext::eraseDeclAttrs(const Decl *D) { 3936320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor llvm::DenseMap<const Decl*, AttrVec*>::iterator Pos = DeclAttrs.find(D); 3946320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (Pos != DeclAttrs.end()) { 3956320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Pos->second->~AttrVec(); 3966320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor DeclAttrs.erase(Pos); 3976320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 3986320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 3996320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 4006320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 401251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 402663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 4037caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 404663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 4057caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 4067caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 4077caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 4081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4097caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 4107caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 4117caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 4121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 413251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 4149421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis TemplateSpecializationKind TSK, 4159421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis SourceLocation PointOfInstantiation) { 4167caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 4177caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 4187caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 4197caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 420251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 4219421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis = new (*this) MemberSpecializationInfo(Tmpl, TSK, PointOfInstantiation); 4227caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 4237caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 4247ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 425ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 4267ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 427ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 428ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 4290d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 4301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4310d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 4320d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 4330d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 4340d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 435ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 436ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 437ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 438ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 439ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 440ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 441ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 442ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 443ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 444ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 445ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 446ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 447ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 448ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 449ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 450ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 451ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 452ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 453ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 454ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 455ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 456ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 457ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 458ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 4590d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 4600d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 461d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 462d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 463d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 464d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 465d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 4661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 467d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 468d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 469d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 470d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 471d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 472d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 473d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 474d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 475d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 4761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 477d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 478d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 479d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 4807d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 4817d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 4827d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 4837d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 4847d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 4857d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 4867d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 4877d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 4887d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 4897d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 4907d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 4917d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 4927d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 4937d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 4947d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 4957d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 4967d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 4977d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 4987d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 4997d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 500c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidisunsigned 501c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios KyrtzidisASTContext::overridden_methods_size(const CXXMethodDecl *Method) const { 502c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 503c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis = OverriddenMethods.find(Method); 504c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis if (Pos == OverriddenMethods.end()) 505c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return 0; 506c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 507c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return Pos->second.size(); 508c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis} 509c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 5107d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 5117d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 5127d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 5137d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 5147d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 515464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 516464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 517464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 518a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 519b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 520b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 521b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 522183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 523b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 524b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 525b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 526b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 527b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 528b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 529b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 530b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 531b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 5328b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 533af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 534af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 5355d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 5365d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 5378b752f10c394b140f9ef89e049cbad1a7676fc25Ken DyckCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) { 538dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 539dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 5404081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall bool UseAlignAttrOnly = false; 5414081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (unsigned AlignFromAttr = D->getMaxAlignment()) { 5424081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall Align = AlignFromAttr; 5434081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall 5444081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // __attribute__((aligned)) can increase or decrease alignment 5454081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // *except* on a struct or struct member, where it only increases 5464081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // alignment unless 'packed' is also specified. 5474081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // 5484081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // It is an error for [[align]] to decrease alignment, so we can 5494081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // ignore that possibility; Sema should diagnose it. 5504081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (isa<FieldDecl>(D)) { 5514081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = D->hasAttr<PackedAttr>() || 5524081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 5534081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else { 5544081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = true; 5554081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 5564081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 557dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 5584081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (UseAlignAttrOnly) { 5594081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // ignore type of value 5604081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 561af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 5626217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 5635d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 5645d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 5655d484e8cf710207010720589d89602233de61d01Sebastian Redl else 5665d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 5675d484e8cf710207010720589d89602233de61d01Sebastian Redl } 5685d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 5696deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned MinWidth = Target.getLargeArrayMinWidth(); 5706deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned ArrayAlign = Target.getLargeArrayAlign(); 5716deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (isa<VariableArrayType>(T) && MinWidth != 0) 5726deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola Align = std::max(Align, ArrayAlign); 5736deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (ConstantArrayType *CT = dyn_cast<ConstantArrayType>(T)) { 5746deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned Size = getTypeSize(CT); 5756deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (MinWidth != 0 && MinWidth <= Size) 5766deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola Align = std::max(Align, ArrayAlign); 5776deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola } 5784cc2cfd48d7c2d11141871cad590db7b52ce00a0Anders Carlsson // Incomplete or function types default to 1. 579dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman while (isa<VariableArrayType>(T) || isa<IncompleteArrayType>(T)) 580dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman T = cast<ArrayType>(T)->getElementType(); 581dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 582dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 583dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 58405f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis if (const FieldDecl *FD = dyn_cast<FieldDecl>(VD)) { 58505f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // In the case of a field in a packed struct, we want the minimum 58605f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // of the alignment of the field and the alignment of the struct. 58705f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis Align = std::min(Align, 58805f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis getPreferredTypeAlign(FD->getParent()->getTypeForDecl())); 58905f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 590af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 591dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 5928b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck return CharUnits::fromQuantity(Align / Target.getCharWidth()); 593af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 594b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 595ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 596ea1471e0e967548c596a71469702f8846dbaf3c0John McCallASTContext::getTypeInfoInChars(const Type *T) { 597ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 598ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return std::make_pair(CharUnits::fromQuantity(Info.first / getCharWidth()), 599ea1471e0e967548c596a71469702f8846dbaf3c0John McCall CharUnits::fromQuantity(Info.second / getCharWidth())); 600ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 601ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 602ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 603ea1471e0e967548c596a71469702f8846dbaf3c0John McCallASTContext::getTypeInfoInChars(QualType T) { 604ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 605ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 606ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 607a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 608a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 6090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 6100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 6110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 6120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 613d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 6141d75118af76cae2bfc06389cde410e14bd0a19fcDaniel DunbarASTContext::getTypeInfo(const Type *T) { 6155e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 6165e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 617a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 61872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 61972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 62018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 62172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 62272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 62318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor assert(false && "Should not see dependent types"); 62472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 62572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 6265d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 6275d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 62818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 62918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 63018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 63118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 63218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 63372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 634fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 63518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 63618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 63718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 63818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 639fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 6401d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 6411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 64298be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 6439e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 644030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 645030d8846c7e520330007087e949f621989876e3aChris Lattner break; 6465c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 647213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 648030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 6499fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 6509fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 6519fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 6524bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 6536fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 6546fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 6558eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 6569fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 6579fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 6589fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 659030d8846c7e520330007087e949f621989876e3aChris Lattner break; 660030d8846c7e520330007087e949f621989876e3aChris Lattner } 6615d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 6629e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 663a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 664692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 665d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 66618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 66718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 66818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 66918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 67018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 6716f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 6729e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 6739e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 6746f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 675692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 676692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 677692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 6786f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 6799e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 6809e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 6816f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 6823f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 6833f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 68464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 68564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 68664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 687f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 688f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar16Width(); 689f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar16Align(); 690f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 691f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 692f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar32Width(); 693f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar32Align(); 694f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 695692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 6966f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 6979e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 6989e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 6996f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 700692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 7016f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 7029e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 7039e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 7046f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 705692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 7066f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 7079e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 7089e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 7096f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 710692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 7116f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 7129e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 7139e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 7146f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 715ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 716ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 717ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 718ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 719ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 7206f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 7219e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 7229e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 7236f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7246f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 7255426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 7265426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 7276f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7286f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 7299e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 7309e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 7316f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7326e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 7336e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Width = Target.getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 7346e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Align = Target.getPointerAlign(0); // == sizeof(void*) 7351590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 736e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCId: 737e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCClass: 738e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCSel: 739e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Width = Target.getPointerWidth(0); 740e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Align = Target.getPointerAlign(0); 741e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian break; 742a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 743bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 744d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 7455426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 746f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 7476f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 748485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 749485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff unsigned AS = cast<BlockPointerType>(T)->getPointeeType().getAddressSpace(); 750485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 751485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 752485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 753485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 7545d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 7555d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 7565d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 7575d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 7585d484e8cf710207010720589d89602233de61d01Sebastian Redl unsigned AS = cast<ReferenceType>(T)->getPointeeType().getAddressSpace(); 7595d484e8cf710207010720589d89602233de61d01Sebastian Redl Width = Target.getPointerWidth(AS); 7605d484e8cf710207010720589d89602233de61d01Sebastian Redl Align = Target.getPointerAlign(AS); 7615d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 7625d484e8cf710207010720589d89602233de61d01Sebastian Redl } 763f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 764f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner unsigned AS = cast<PointerType>(T)->getPointeeType().getAddressSpace(); 7655426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 766f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 767f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 768f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 769f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 770071cc7deffad608165b1ddd5263e8bf181861520Charles Davis const MemberPointerType *MPT = cast<MemberPointerType>(T); 7711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 7721cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 773071cc7deffad608165b1ddd5263e8bf181861520Charles Davis Width = PtrDiffInfo.first * ABI->getMemberPointerSize(MPT); 7741cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 7751cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 776f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 7775d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 7785d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 7795d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 7801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 78198be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 7829e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 7835d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 7845d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 7855d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 786c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 787c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 78844a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 7891d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 79044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 79144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Width = Layout.getSize(); 79244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Align = Layout.getAlignment(); 79344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 79444a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 79572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 79672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 7971d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 7981d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 7991d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 8008389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Width = 1; 8018389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Align = 1; 8028389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 8038389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 8041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8051d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 8067176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 8077176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 8081d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 8097176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 8107176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Width = Layout.getSize(); 8117176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Align = Layout.getAlignment(); 812dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 813a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 8147532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 8159fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 81649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 81749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 81849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 819075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara case Type::Paren: 820075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return getTypeInfo(cast<ParenType>(T)->getInnerType().getTypePtr()); 821075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 82218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 82318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor const TypedefDecl *Typedef = cast<TypedefType>(T)->getDecl(); 824df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor std::pair<uint64_t, unsigned> Info 825df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor = getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 826df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Align = std::max(Typedef->getMaxAlignment(), Info.second); 827df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Width = Info.first; 8287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 8297176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 83018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 83118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 83218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 83318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 83418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 83518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 83618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 83718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 838395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 839395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 840395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 841395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 842465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 843465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 8441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 84518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TemplateSpecialization: 8461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 84718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 84818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // FIXME: this is likely to be wrong once we support template 84918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // aliases, since a template alias could refer to a typedef that 85018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // has an __aligned__ attribute on it. 85118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(getCanonicalType(T)); 85218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 8531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 854464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 8559e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 856a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 857a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 858bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 859bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 860bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(QualType T) { 861199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 862bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 863bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(const Type *T) { 864199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 865bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 866bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 86716e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 86886fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 86986fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(QualType T) { 87086fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 87186fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 87286fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(const Type *T) { 87386fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 87486fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 87586fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 87634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 87734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 87834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 87934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 88034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattnerunsigned ASTContext::getPreferredTypeAlign(const Type *T) { 88134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 8821eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 8831eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 884183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 8851eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 8861eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 8871eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 8881eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 8891eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 89034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 89134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 89234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 8938e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// ShallowCollectObjCIvars - 8948e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// Collect all ivars, including those synthesized, in the current class. 8958e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// 8968e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianvoid ASTContext::ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 89711062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 8982c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian // FIXME. This need be removed but there are two many places which 8992c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian // assume const-ness of ObjCInterfaceDecl 9002c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian ObjCInterfaceDecl *IDecl = const_cast<ObjCInterfaceDecl *>(OI); 9012c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCIvarDecl *Iv = IDecl->all_declared_ivar_begin(); Iv; 9022c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian Iv= Iv->getNextIvar()) 9032c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian Ivars.push_back(Iv); 9042c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian} 9052c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian 9062c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// DeepCollectObjCIvars - 9072c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// This routine first collects all declared, but not synthesized, ivars in 9082c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// super class and then collects all ivars, including those synthesized for 9092c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// current class. This routine is used for implementation of current class 9102c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// when all ivars, declared and synthesized are known. 9119820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 9122c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanianvoid ASTContext::DeepCollectObjCIvars(const ObjCInterfaceDecl *OI, 9132c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian bool leafClass, 9149820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 9152c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 9162c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(SuperClass, false, Ivars); 9172c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (!leafClass) { 9182c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 9192c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian E = OI->ivar_end(); I != E; ++I) 92011062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 92111062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian } 9222c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian else 9232c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian ShallowCollectObjCIvars(OI, Ivars); 9249820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 9259820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 926e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 927e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 928e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 929432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 930e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 93153b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // We can use protocol_iterator here instead of 93253b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // all_referenced_protocol_iterator since we are walking all categories. 93353b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCInterfaceDecl::all_protocol_iterator P = OI->all_referenced_protocol_begin(), 93453b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek PE = OI->all_referenced_protocol_end(); P != PE; ++P) { 935e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 936432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 937e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 938b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 939b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 940e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 941e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 942b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 943e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 944e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 945e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 946e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 947e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 948e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 949e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 950e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 951e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 952e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 953b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 95453b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCCategoryDecl::protocol_iterator P = OC->protocol_begin(), 955e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 956e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 957432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 958e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 959e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 960e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 961e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 962b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 963e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 964e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 965e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 966432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 967e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 968e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 969e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 970e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 971e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 972e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 973e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 9743bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanianunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) { 9753bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 9763bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 97780aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian for (const ObjCCategoryDecl *CDecl = OI->getFirstClassExtension(); CDecl; 97880aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian CDecl = CDecl->getNextClassExtension()) 979b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 980b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 9813bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 9823bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 9833bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 984b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 985b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 9868e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 9878e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 9888e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 9898a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 9908a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 9918a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 9928a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 9938a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 9948a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 9958a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 9968a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 9978a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 9988a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 9998a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 10008a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 10018a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 10028a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 10038a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 10048a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 10058a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 10068a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 10078a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 10088a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 10098a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 10108a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 10118a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 10128a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 10138a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 10148a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 10158a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 10168a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 10178a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 10188a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 10191ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Get the copy initialization expression of VarDecl,or NULL if 10201ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// none exists. 1021830937bc1100fba7682f7c32c40512085870f50cFariborz JahanianExpr *ASTContext::getBlockVarCopyInits(const VarDecl*VD) { 1022d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD && "Passed null params"); 1023d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1024d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "getBlockVarCopyInits - not __block var"); 1025830937bc1100fba7682f7c32c40512085870f50cFariborz Jahanian llvm::DenseMap<const VarDecl*, Expr*>::iterator 1026d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian I = BlockVarCopyInits.find(VD); 10271ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian return (I != BlockVarCopyInits.end()) ? cast<Expr>(I->second) : 0; 10281ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 10291ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 10301ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Set the copy inialization expression of a block var decl. 10311ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanianvoid ASTContext::setBlockVarCopyInits(VarDecl*VD, Expr* Init) { 10321ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian assert(VD && Init && "Passed null params"); 1033d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1034d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "setBlockVarCopyInits - not __block var"); 10351ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian BlockVarCopyInits[VD] = Init; 10361ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 10371ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 1038a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 1039b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1040a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 1041b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 1042b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1043b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 1044b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 1045b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 1046a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 1047109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall unsigned DataSize) { 1048109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 1049109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 1050109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 1051109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 1052a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 1053109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 1054a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 1055a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 1056a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 1057a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 1058b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 1059b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1060a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 1061a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall SourceLocation L) { 1062a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 1063a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall DI->getTypeLoc().initialize(L); 1064a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 1065a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 1066a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 1067b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 1068b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) { 1069b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 1070b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1071b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1072b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 1073b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCImplementationLayout(const ObjCImplementationDecl *D) { 1074b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 1075b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1076b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1077a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1078a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 1079a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1080a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 10810953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getExtQualType(const Type *TypeNode, Qualifiers Quals) { 10820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned Fast = Quals.getFastQualifiers(); 10830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.removeFastQualifiers(); 10840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 10860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 10870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQuals::Profile(ID, TypeNode, Quals); 10880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void *InsertPos = 0; 10890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ExtQuals *EQ = ExtQualNodes.FindNodeOrInsertPos(ID, InsertPos)) { 10900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(EQ->getQualifiers() == Quals); 10910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(EQ, Fast); 10920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 10930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 10940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 109549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall ExtQuals *New = new (*this, TypeAlignment) ExtQuals(TypeNode, Quals); 10960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQualNodes.InsertNode(New, InsertPos); 10970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(New, Fast); 10980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 10990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 11000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1101f11284ac87daa613bc7b30db9f54bd716d123222Fariborz JahanianQualType ASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) { 1102f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1103f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1104f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1105b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 11060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 11070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 11080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 11090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 11101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 11120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 11130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 11140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 11150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 11161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1118ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1119ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1120b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 11210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttr) { 1122d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1123b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1124d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 11251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11267f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (const PointerType *ptr = T->getAs<PointerType>()) { 11277f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall QualType Pointee = ptr->getPointeeType(); 112858f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 11294027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 11304027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 11314027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 11324027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 11331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 11350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 11360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 11370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 11381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 11400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 11410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 11420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 11430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 11441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1146d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1147a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1148e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCallconst FunctionType *ASTContext::adjustFunctionType(const FunctionType *T, 1149e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionType::ExtInfo Info) { 1150e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (T->getExtInfo() == Info) 1151e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return T; 1152e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1153e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType Result; 1154e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(T)) { 1155e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionNoProtoType(FNPT->getResultType(), Info); 1156e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } else { 1157e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall const FunctionProtoType *FPT = cast<FunctionProtoType>(T); 1158e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 1159e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall EPI.ExtInfo = Info; 1160e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1161e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FPT->getNumArgs(), EPI); 1162e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 1163e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1164e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return cast<FunctionType>(Result.getTypePtr()); 1165e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall} 1166e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 11675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 11685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 11695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getComplexType(QualType T) { 11705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 11715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 11725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 11735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 11741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 11765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 11775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 11781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 11805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 11815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1182467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1183f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 11841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 11865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1187c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 11885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11896b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 11905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 11915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 11925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 11935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 11965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 11975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getPointerType(QualType T) { 11985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 11995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 12015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 12021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 12055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 12061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 12085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 12095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1210467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1211f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 12121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1215c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 12165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12176b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 12185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 12205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 12245618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 12255618bd4a52c45fbbb605e3ba885663b2164db8a3Steve NaroffQualType ASTContext::getBlockPointerType(QualType T) { 1226296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1227296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 12285618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 12295618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 12305618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 12311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12325618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 12335618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 12345618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 12355618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 12361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 12385618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 12395618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1240467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 12415618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 12421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12435618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 12445618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 12455618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1246c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 12475618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 12486b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 12496b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 12505618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 12515618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 12525618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 12535618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 12545618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 12557c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 12567c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 125754e14c4db764c0636160d26c5bbf491637c83a76John McCallQualType ASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) { 12585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 12595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 126154e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 12625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12647c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 12657c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 12665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 12677c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 126854e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 126954e14c4db764c0636160d26c5bbf491637c83a76John McCall 12705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 12715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 12725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 127354e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 127454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 127554e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 12767c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12777c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 12787c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 12797c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1280c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 12817c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 12827c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12836b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 128454e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 128554e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 12867c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 12877c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 128854e14c4db764c0636160d26c5bbf491637c83a76John McCall 12897c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 12907c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 12917c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12927c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 12937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 12947c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian RedlQualType ASTContext::getRValueReferenceType(QualType T) { 12957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 12967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 12977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 129854e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 12997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13007c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 13017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 13027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 13037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 13047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 130554e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 130654e14c4db764c0636160d26c5bbf491637c83a76John McCall 13077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 13087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 13097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 131054e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 131154e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 131254e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 13137c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 13167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1317c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 13185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13206b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 13216b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 13225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13237c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 13245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1327f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1328f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 13291eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) { 1330f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1331f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1332f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1333f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1334f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1335f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1336f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1337f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1338f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1339f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1340f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1341f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1342f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 134387c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1344f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1345f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1346f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1347f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1348f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1349c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 1350f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 13516b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 13526b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1353f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1354f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1355f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1356f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1357f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 13581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1359fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 13601eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 136138aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1362c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 1363c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals) { 1364923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1365923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1366587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1367587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 136838aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 136938aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 137038aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 13719f71a8f4c7a182a5236da9e747d57cc1d1bd24c2Jay Foad ArySize = 13729f71a8f4c7a182a5236da9e747d57cc1d1bd24c2Jay Foad ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace())); 13731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 13750be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, EltTypeQuals); 13761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 13797192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 13805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 13811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 13835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 13845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1385467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 13861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Canonical = getConstantArrayType(getCanonicalType(EltTy), ArySize, 1387c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ASM, EltTypeQuals); 13885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 13907192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1391c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 13925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13946b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 13956b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType(EltTy, Canonical, ArySize, ASM, EltTypeQuals); 13967192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 13975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1401745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian/// getIncompleteArrayType - Returns a unique reference to the type for a 1402745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian/// incomplete array of the specified element type. 1403745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz JahanianQualType ASTContext::getUnknownSizeVariableArrayType(QualType Ty) { 1404745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian QualType ElemTy = getBaseElementType(Ty); 1405745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian DeclarationName Name; 1406745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian llvm::SmallVector<QualType, 8> ATypes; 1407745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian QualType ATy = Ty; 1408745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian while (const ArrayType *AT = getAsArrayType(ATy)) { 1409745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ATypes.push_back(ATy); 1410745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ATy = AT->getElementType(); 1411745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1412745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian for (int i = ATypes.size() - 1; i >= 0; i--) { 1413745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (const VariableArrayType *VAT = getAsVariableArrayType(ATypes[i])) { 1414745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ElemTy = getVariableArrayType(ElemTy, /*ArraySize*/0, ArrayType::Star, 1415745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 0, VAT->getBracketsRange()); 1416745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1417745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian else if (const ConstantArrayType *CAT = getAsConstantArrayType(ATypes[i])) { 1418745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian llvm::APSInt ConstVal(CAT->getSize()); 1419745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ElemTy = getConstantArrayType(ElemTy, ConstVal, ArrayType::Normal, 0); 1420745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1421745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian else if (getAsIncompleteArrayType(ATypes[i])) { 1422745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ElemTy = getVariableArrayType(ElemTy, /*ArraySize*/0, ArrayType::Normal, 1423745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 0, SourceRange()); 1424745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1425745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian else 1426745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian assert(false && "DependentArrayType is seen"); 1427745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1428745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian return ElemTy; 1429745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian} 1430745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1431745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian/// getVariableArrayDecayedType - Returns a vla type where known sizes 1432745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian/// are replaced with [*] 1433745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz JahanianQualType ASTContext::getVariableArrayDecayedType(QualType Ty) { 1434745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (Ty->isPointerType()) { 1435745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian QualType BaseType = Ty->getAs<PointerType>()->getPointeeType(); 1436745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (isa<VariableArrayType>(BaseType)) { 1437745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ArrayType *AT = dyn_cast<ArrayType>(BaseType); 1438745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian VariableArrayType *VAT = cast<VariableArrayType>(AT); 1439745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (VAT->getSizeExpr()) { 1440745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian Ty = getUnknownSizeVariableArrayType(BaseType); 1441745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian Ty = getPointerType(Ty); 1442745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1443745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1444745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1445745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian return Ty; 1446745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian} 1447745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1448745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1449bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1450bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 14517e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 14527e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1453c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 14547e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 14557e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1456c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1457c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 1458715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor QualType CanonType; 1459715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 1460715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor if (!EltTy.isCanonical()) { 1461715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor CanonType = getVariableArrayType(getCanonicalType(EltTy), NumElts, ASM, 1462715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor EltTypeQuals, Brackets); 1463715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor } 1464715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 14656b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 1466715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor VariableArrayType(EltTy, CanonType, NumElts, ASM, EltTypeQuals, Brackets); 1467c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1468c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1469c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1470c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1471c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1472c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1473898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1474898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 147504d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 14767e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getDependentSizedArrayType(QualType EltTy, 14777e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1478898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 14797e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 14807e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1481cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor assert((!NumElts || NumElts->isTypeDependent() || 1482cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor NumElts->isValueDependent()) && 1483898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1484898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 148504d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor void *InsertPos = 0; 1486cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType *Canon = 0; 1487789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 1488cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 148932adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor QualType CanonicalEltTy = getCanonicalType(EltTy); 1490cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor if (NumElts) { 1491cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // Dependently-sized array types that do not have a specified 1492cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // number of elements will have their sizes deduced from an 1493cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // initializer. 149432adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor DependentSizedArrayType::Profile(ID, *this, CanonicalEltTy, ASM, 1495cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor EltTypeQuals, NumElts); 1496cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1497cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor Canon = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1498cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1499cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 150004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor DependentSizedArrayType *New; 150104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (Canon) { 150204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // We already have a canonical version of this array type; use it as 150304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // the canonical type for a newly-built type. 15046b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15056b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(Canon, 0), 15066b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 150732adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor } else if (CanonicalEltTy == EltTy) { 150832adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor // This is a canonical type. Record it. 150932adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor New = new (*this, TypeAlignment) 151032adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor DependentSizedArrayType(*this, EltTy, QualType(), 151132adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor NumElts, ASM, EltTypeQuals, Brackets); 151232adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor 151332adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor if (NumElts) { 151432adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor#ifndef NDEBUG 151532adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor DependentSizedArrayType *CanonCheck 151632adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 151732adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor assert(!CanonCheck && "Dependent-sized canonical array type broken"); 151832adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor (void)CanonCheck; 151932adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor#endif 152032adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor DependentSizedArrayTypes.InsertNode(New, InsertPos); 152104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 152232adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor } else { 152332adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor QualType Canon = getDependentSizedArrayType(CanonicalEltTy, NumElts, 152432adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor ASM, EltTypeQuals, 152532adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor SourceRange()); 152632adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor New = new (*this, TypeAlignment) 152732adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor DependentSizedArrayType(*this, EltTy, Canon, 152832adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor NumElts, ASM, EltTypeQuals, Brackets); 152904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 15301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1531898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Types.push_back(New); 1532898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return QualType(New, 0); 1533898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 1534898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1535c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli FriedmanQualType ASTContext::getIncompleteArrayType(QualType EltTy, 1536c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 1537c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals) { 1538c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 15390be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner IncompleteArrayType::Profile(ID, EltTy, ASM, EltTypeQuals); 1540c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1541c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void *InsertPos = 0; 15421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (IncompleteArrayType *ATP = 1543c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 1544c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(ATP, 0); 1545c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1546c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 1547c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // either, so fill in the canonical type field. 1548c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType Canonical; 1549c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1550467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 1551f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getIncompleteArrayType(getCanonicalType(EltTy), 15522bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek ASM, EltTypeQuals); 1553c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1554c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 1555c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType *NewIP = 1556c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1557c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15582bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1559c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 15606b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType *New = new (*this, TypeAlignment) 15616b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType(EltTy, Canonical, ASM, EltTypeQuals); 1562c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1563c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.InsertNode(New, InsertPos); 1564c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1565c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1566fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1567fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 156873322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 156973322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 157082287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 1571e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::VectorKind VecKind) { 157233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner BuiltinType *BaseType; 15731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 157433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner BaseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 157533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner assert(BaseType != 0 && "getVectorType(): Expecting a built-in type"); 15761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 15785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1579e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::Profile(ID, vecType, NumElts, Type::Vector, VecKind); 1580788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 15815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 15835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 15845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 15865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 15875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1588255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (!vecType.isCanonical()) { 1589231da7eb3dd13007e5e40fffe48998e5ef284e06Bob Wilson Canonical = getVectorType(getCanonicalType(vecType), NumElts, VecKind); 15901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 15925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1593c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15956b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 1596e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(vecType, NumElts, Canonical, VecKind); 15975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 15985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 15995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 16005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1602213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 160373322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 1604213541a68a3e137d11d2cefb612c6cdb410d7e8eNate BegemanQualType ASTContext::getExtVectorType(QualType vecType, unsigned NumElts) { 160573322924127c873c13101b705dd823f5539ffa5fSteve Naroff BuiltinType *baseType; 16061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1607f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 1608213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman assert(baseType != 0 && "getExtVectorType(): Expecting a built-in type"); 16091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 161073322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 161173322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 1612788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, 1613e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 161473322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 161573322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 161673322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 161773322924127c873c13101b705dd823f5539ffa5fSteve Naroff 161873322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 161973322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 162073322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1621467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1622213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 16231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 162473322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 162573322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1626c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 162773322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 16286b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 16296b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 163073322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 163173322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 163273322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 163373322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 163473322924127c873c13101b705dd823f5539ffa5fSteve Naroff 16351eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getDependentSizedExtVectorType(QualType vecType, 16369cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr, 16379cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc) { 16382ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 16391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 16402ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 16411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16422ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 16432ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 16442ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 16452ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 16462ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 16472ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 16482ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 16496b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 16506b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 16516b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 16522ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 16532ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 16542ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 16556b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 16566b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 16576b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 1658789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1659789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 1660789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1661789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 1662789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 16632ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 16642ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 16652ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 16662ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 16676b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 16686b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 16692ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 16702ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 16711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16729cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 16739cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 16749cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 16759cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 167672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 16775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 1678264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael EspindolaQualType ASTContext::getFunctionNoProtoType(QualType ResultTy, 1679264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 1680264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv = Info.getCC(); 16815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 16825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 16835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1684264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 16851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 16871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 168872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 16895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 16901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1692ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 169304a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 1694264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 1695264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 1696264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 16971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 169972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 170072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1701c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 17025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17046b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 1705264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType(ResultTy, Canonical, Info); 17065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 170772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 17085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 17095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 17125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 1713e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCallQualType ASTContext::getFunctionType(QualType ResultTy, 1714e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall const QualType *ArgArray, unsigned NumArgs, 1715e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall const FunctionProtoType::ExtProtoInfo &EPI) { 17165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 17175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 17185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1719e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, EPI); 17205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 17221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 172372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 17245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 1725465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1726465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 1727e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall bool isCanonical = !EPI.HasExceptionSpec && ResultTy.isCanonical(); 17285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 172954e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 17305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 17315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1732e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall const CallingConv CallConv = EPI.ExtInfo.getCC(); 1733e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 17345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 1735465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 17365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 173704a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 17385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> CanonicalArgs; 17395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 17405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 174154e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 1742465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1743e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo CanonicalEPI = EPI; 1744e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall if (CanonicalEPI.HasExceptionSpec) { 1745e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.HasExceptionSpec = false; 1746e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.HasAnyExceptionSpec = false; 1747e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.NumExceptions = 0; 1748e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall } 1749e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.ExtInfo 1750e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall = CanonicalEPI.ExtInfo.withCallingConv(getCanonicalCallConv(CallConv)); 1751e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 1752f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 1753beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 1754e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI); 1755465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 17565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 175772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 175872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1759c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 17605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1761465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 176272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // FunctionProtoType objects are allocated with extra bytes after them 1763465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // for two variable size arrays (for parameter and exception types) at the 1764465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // end of them. 1765e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall size_t Size = sizeof(FunctionProtoType) + 1766e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall NumArgs * sizeof(QualType) + 1767e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.NumExceptions * sizeof(QualType); 1768e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType *FTP = (FunctionProtoType*) Allocate(Size, TypeAlignment); 1769e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, Canonical, EPI); 17705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 177172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 17725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 17735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17753cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 17763cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 17773cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 17783cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 17793cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 17803cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 17813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 17823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 17833cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 17843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 17853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 17863cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 17873cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 17883cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 17893cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 17903cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 17913cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST) { 17923cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 17933cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 17943cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 179537ffed3b7f229844cae2463ff82b527506c86c74Argyrios Kyrtzidis } else if (CXXRecordDecl *PrevDecl = Decl->getPreviousDeclaration()) { 17963cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 17973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 17983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 17993cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 180031f17ecbef57b5679c017c375db330546b7b5145John McCall Decl->TypeForDecl = 180131f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 18023cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Types.push_back(Decl->TypeForDecl); 18033cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 18043cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 18053cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 18063cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 18072ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 18082ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 1809becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCallQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) { 18101e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 1811becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 18121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 181319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(Decl)) 18142ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 1815becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 1816becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 1817becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 1818becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 181919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 1820becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 1821becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 1822becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 1823400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getRecordType(Record); 182419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 1825becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 1826becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 1827400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getEnumType(Enum); 182819c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 1829ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 1830ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Decl->TypeForDecl = new (*this, TypeAlignment) UnresolvedUsingType(Using); 18319fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 1832becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 183349aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 1834becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Types.push_back(Decl->TypeForDecl); 183549aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 18362ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 18372ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 18385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 18395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified typename decl. 18409763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 18419763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getTypedefType(const TypedefDecl *Decl, QualType Canonical) { 18425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 18431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18449763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (Canonical.isNull()) 18459763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canonical = getCanonicalType(Decl->getUnderlyingType()); 18466b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Decl->TypeForDecl = new(*this, TypeAlignment) 18476b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 18485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(Decl->TypeForDecl); 18495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(Decl->TypeForDecl, 0); 18505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1852400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios KyrtzidisQualType ASTContext::getRecordType(const RecordDecl *Decl) { 1853400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 1854400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1855400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const RecordDecl *PrevDecl = Decl->getPreviousDeclaration()) 1856400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 1857400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 1858400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1859400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Decl->TypeForDecl = new (*this, TypeAlignment) RecordType(Decl); 1860400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Types.push_back(Decl->TypeForDecl); 1861400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 1862400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 1863400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1864400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios KyrtzidisQualType ASTContext::getEnumType(const EnumDecl *Decl) { 1865400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 1866400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1867400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const EnumDecl *PrevDecl = Decl->getPreviousDeclaration()) 1868400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 1869400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 1870400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1871400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Decl->TypeForDecl = new (*this, TypeAlignment) EnumType(Decl); 1872400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Types.push_back(Decl->TypeForDecl); 1873400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 1874400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 1875400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 187649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 187749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 187849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 187949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 1880467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 188149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 188249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 188349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 188449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 188549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 188649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 188749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 188849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 188949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 189049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 189149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 189249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 189349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 189449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 189549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 189649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 189749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 189849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 1899fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 19001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 190176e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 19021eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 190376e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 1904efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name) { 1905fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 1906efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, Name); 1907fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 19081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 1909fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1910fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1911fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 1912fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 19131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1914efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor if (Name) { 191576e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 1916efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TypeParm = new (*this, TypeAlignment) 1917efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType(Depth, Index, ParameterPack, Name, Canon); 1918789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1919789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 1920789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1921789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 1922789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 192376e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 19246b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 19256b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 1926fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1927fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 1928fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 1929fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1930fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 1931fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 1932fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 19333cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 19343cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 19353cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 19363cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 19373cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType CanonType) { 19383cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST = getTemplateSpecializationType(Name, Args, CanonType); 19393cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 19403cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 19413cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 19423cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 19433cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 19443cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 19453cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 19463cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 19473cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 19483cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 19493cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 19503cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 19511eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 19527532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 1953d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 195471d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall QualType Canon) { 1955d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 1956d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 1957833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall llvm::SmallVector<TemplateArgument, 4> ArgVec; 1958833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 1959833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 1960833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 1961833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 196231f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 196371d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Canon); 1964833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 1965833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 1966833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 1967833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 19687532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 19697532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 197071d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall QualType Canon) { 1971b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (!Canon.isNull()) 1972b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = getCanonicalType(Canon); 19739763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis else 19749763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canon = getCanonicalTemplateSpecializationType(Template, Args, NumArgs); 1975fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 19761275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 19771275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 19781275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 19791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 198040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor sizeof(TemplateArgument) * NumArgs), 19816b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 19821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 1983ef99001908e799c388f1363b1e607dad5f5b57d3John McCall = new (Mem) TemplateSpecializationType(Template, 198431f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 1985828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor Canon); 19861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 198755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 19881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 198955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 199055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 19911eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 19929763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getCanonicalTemplateSpecializationType(TemplateName Template, 19939763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis const TemplateArgument *Args, 19949763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis unsigned NumArgs) { 19959763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Build the canonical template specialization type. 19969763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateName CanonTemplate = getCanonicalTemplateName(Template); 19979763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::SmallVector<TemplateArgument, 4> CanonArgs; 19989763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.reserve(NumArgs); 19999763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis for (unsigned I = 0; I != NumArgs; ++I) 20009763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 20019763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 20029763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Determine whether this canonical template specialization type already 20039763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // exists. 20049763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::FoldingSetNodeID ID; 20059763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType::Profile(ID, CanonTemplate, 20069763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, *this); 20079763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 20089763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *InsertPos = 0; 20099763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType *Spec 20109763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 20119763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 20129763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (!Spec) { 20139763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Allocate a new canonical template specialization type. 20149763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *Mem = Allocate((sizeof(TemplateSpecializationType) + 20159763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis sizeof(TemplateArgument) * NumArgs), 20169763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TypeAlignment); 20179763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Spec = new (Mem) TemplateSpecializationType(CanonTemplate, 20189763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, 20199763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis QualType()); 20209763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Types.push_back(Spec); 20219763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 20229763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis } 20239763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 20249763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis assert(Spec->isDependentType() && 20259763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis "Non-dependent template-id type must have a canonical type"); 20269763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis return QualType(Spec, 0); 20279763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis} 20289763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 20299763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2030465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 2031465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 2032465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType) { 2033e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 2034465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 2035e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2036e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 2037465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2038e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 2039e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2040e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2041789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 2042789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 2043789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 2044465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2045465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 2046789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 2047789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 2048789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2049465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 2050e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 2051465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 2052e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2053e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 2054e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2055075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo BagnaraQualType 2056075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo BagnaraASTContext::getParenType(QualType InnerType) { 2057075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara llvm::FoldingSetNodeID ID; 2058075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType::Profile(ID, InnerType); 2059075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2060075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void *InsertPos = 0; 2061075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *T = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2062075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (T) 2063075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2064075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2065075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Canon = InnerType; 2066075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (!Canon.isCanonical()) { 2067075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Canon = getCanonicalType(InnerType); 2068075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *CheckT = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2069075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara assert(!CheckT && "Paren canonical type broken"); 2070075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara (void)CheckT; 2071075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 2072075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2073075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara T = new (*this) ParenType(InnerType, Canon); 2074075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Types.push_back(T); 2075075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenTypes.InsertNode(T, InsertPos); 2076075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2077075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara} 2078075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 20794a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 20804a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 20814a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 20824a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor QualType Canon) { 2083d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 2084d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2085d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 2086d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 20874a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 20884a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 20894a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 20904a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 20914a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 20924a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 2093d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2094d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2095d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 20964a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 2097d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2098d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 20994714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 21004714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 2101d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 2102d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 2103d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 21044a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 2105d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 21064714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 21071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 2108d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2109d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 21101eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 211133500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 211233500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 21134a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 211433500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 211533500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgumentListInfo &Args) { 211633500955d731c73717af52088b7fc0e7a85681e7John McCall // TODO: avoid this copy 211733500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> ArgCopy; 211833500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0, E = Args.size(); I != E; ++I) 211933500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.push_back(Args[I].getArgument()); 212033500955d731c73717af52088b7fc0e7a85681e7John McCall return getDependentTemplateSpecializationType(Keyword, NNS, Name, 212133500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.size(), 212233500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.data()); 212333500955d731c73717af52088b7fc0e7a85681e7John McCall} 212433500955d731c73717af52088b7fc0e7a85681e7John McCall 212533500955d731c73717af52088b7fc0e7a85681e7John McCallQualType 212633500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 212733500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 212833500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 212933500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 213033500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 213133500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args) { 21321734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 21331734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2134789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 213533500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType::Profile(ID, *this, Keyword, NNS, 213633500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args); 2137789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2138789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 213933500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType *T 214033500955d731c73717af52088b7fc0e7a85681e7John McCall = DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 2141789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 2142789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 2143789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 214433500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 214533500955d731c73717af52088b7fc0e7a85681e7John McCall 214633500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword CanonKeyword = Keyword; 214733500955d731c73717af52088b7fc0e7a85681e7John McCall if (Keyword == ETK_None) CanonKeyword = ETK_Typename; 21481734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 214933500955d731c73717af52088b7fc0e7a85681e7John McCall bool AnyNonCanonArgs = false; 215033500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> CanonArgs(NumArgs); 215133500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0; I != NumArgs; ++I) { 215233500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs[I] = getCanonicalTemplateArgument(Args[I]); 215333500955d731c73717af52088b7fc0e7a85681e7John McCall if (!CanonArgs[I].structurallyEquals(Args[I])) 215433500955d731c73717af52088b7fc0e7a85681e7John McCall AnyNonCanonArgs = true; 2155789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 21561734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 215733500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon; 215833500955d731c73717af52088b7fc0e7a85681e7John McCall if (AnyNonCanonArgs || CanonNNS != NNS || CanonKeyword != Keyword) { 215933500955d731c73717af52088b7fc0e7a85681e7John McCall Canon = getDependentTemplateSpecializationType(CanonKeyword, CanonNNS, 216033500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, 216133500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs.data()); 216233500955d731c73717af52088b7fc0e7a85681e7John McCall 216333500955d731c73717af52088b7fc0e7a85681e7John McCall // Find the insert position again. 216433500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 216533500955d731c73717af52088b7fc0e7a85681e7John McCall } 216633500955d731c73717af52088b7fc0e7a85681e7John McCall 216733500955d731c73717af52088b7fc0e7a85681e7John McCall void *Mem = Allocate((sizeof(DependentTemplateSpecializationType) + 216833500955d731c73717af52088b7fc0e7a85681e7John McCall sizeof(TemplateArgument) * NumArgs), 216933500955d731c73717af52088b7fc0e7a85681e7John McCall TypeAlignment); 2170ef99001908e799c388f1363b1e607dad5f5b57d3John McCall T = new (Mem) DependentTemplateSpecializationType(Keyword, NNS, 217133500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args, Canon); 21721734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 217333500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.InsertNode(T, InsertPos); 21741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 21751734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 21761734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 21777536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas GregorQualType ASTContext::getPackExpansionType(QualType Pattern) { 21787536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor llvm::FoldingSetNodeID ID; 21797536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionType::Profile(ID, Pattern); 21807536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 21817536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor assert(Pattern->containsUnexpandedParameterPack() && 21827536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor "Pack expansions must expand one or more parameter packs"); 21837536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void *InsertPos = 0; 21847536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionType *T 21857536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor = PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 21867536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (T) 21877536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 21887536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 21897536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Canon; 21907536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (!Pattern.isCanonical()) { 21917536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor Canon = getPackExpansionType(getCanonicalType(Pattern)); 21927536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 21937536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor // Find the insert position again. 21947536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 21957536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 21967536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 21977536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor T = new (*this) PackExpansionType(Pattern, Canon); 21987536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor Types.push_back(T); 21997536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.InsertNode(T, InsertPos); 22007536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 22017536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor} 22027536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 220388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 220488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 220588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 220688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 22072e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 220888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 220988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2210c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 221154e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 221254e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 221354e14c4db764c0636160d26c5bbf491637c83a76John McCall 221454e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 221554e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 221654e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 221754e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 221854e14c4db764c0636160d26c5bbf491637c83a76John McCall} 221954e14c4db764c0636160d26c5bbf491637c83a76John McCall 222054e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 222188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 222288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 22231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 222488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 222588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 222688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 222788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 222888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 222988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 223088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 223188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2232c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2233c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 2234c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) { 2235c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2236c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2237c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2238c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2239d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2240c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2241c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2242c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2243d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2244c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2245c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2246d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2247c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2248c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 224954e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2250c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2251c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2252c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 22530237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 22540237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 225554e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 225654e14c4db764c0636160d26c5bbf491637c83a76John McCall 225754e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2258c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2259c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 226054e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2261c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2262c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 226354e14c4db764c0636160d26c5bbf491637c83a76John McCall } 226454e14c4db764c0636160d26c5bbf491637c83a76John McCall 226554e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2266c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 226754e14c4db764c0636160d26c5bbf491637c83a76John McCall } 226854e14c4db764c0636160d26c5bbf491637c83a76John McCall 2269c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2270c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2271fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2272c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2273c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 22741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2275c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2276c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2277c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2278d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 227988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2280c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2281c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 2282c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) { 22834b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2284c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 22851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22864b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2287c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2288c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 22894b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 22901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2291c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 229254e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2293c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2294c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 229554e14c4db764c0636160d26c5bbf491637c83a76John McCall 2296c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2297c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 229854e14c4db764c0636160d26c5bbf491637c83a76John McCall } 229954e14c4db764c0636160d26c5bbf491637c83a76John McCall 2300c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2301c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2302c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2303c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 230424fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 230524fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2306c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 230724fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 230824fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 230924fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2310deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// getObjCInterfaceType - Return the unique reference to the type for the 2311deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// specified ObjC interface decl. The list of protocols is optional. 2312deacbdca554298ccdf636f19c6094a8825ec6b34Douglas GregorQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) { 2313deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor if (Decl->TypeForDecl) 2314deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(Decl->TypeForDecl, 0); 231574c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl 2316deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor // FIXME: redeclarations? 2317deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2318deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2319deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Decl->TypeForDecl = T; 2320deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Types.push_back(T); 2321deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(T, 0); 2322c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2323c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 232472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 232572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 23269752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 23271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 23289752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 232972564e73277e29f6db3305d1f27ba408abb7ed88Douglas GregorQualType ASTContext::getTypeOfExprType(Expr *tofExpr) { 2330dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2331b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2332b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2333b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 23341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2335b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2336b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2337b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2338b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2339b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2340b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 23416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2342b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 2343b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2344b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor else { 2345b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 23466b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 23476b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2348b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2349b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2350b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2351b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2352dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 23536b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2354dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 23559752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 23569752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2357d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2358d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 23599752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 23609752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 23619752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 23621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 23639752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 2364d1861fd633d5096a00777c918eb8575ea7162fe7Steve NaroffQualType ASTContext::getTypeOfType(QualType tofType) { 2365f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 23666b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 23679752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 23689752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2369d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2370d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 237160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 237260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 237360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlssonstatic QualType getDecltypeForExpr(const Expr *e, ASTContext &Context) { 2374a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2375a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 23761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 237760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 237860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 237960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 238060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 238160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 238260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 238360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 238460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 238560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 238660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 238760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 238860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 238960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 239060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 239160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 23921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 239360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 23941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 239660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 23977eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall if (e->isLValue()) 239860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 23991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 240060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 240160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 240260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2403395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2404395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2405395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 24061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2407395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 2408395b475a4474f1c7574d927ad142ca0c7997cbcaAnders CarlssonQualType ASTContext::getDecltypeType(Expr *e) { 2409dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 24109d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (e->isTypeDependent()) { 24119d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 24129d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 24131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24149d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 24159d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 24169d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 24179d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 24189d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 24199d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 24206b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 24219d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 24229d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 24239d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor else { 24249d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 24256b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 24269d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 24279d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 24289d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 24299d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2430dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 24316b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2432dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2433395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2434395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2435395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2436395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 24375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 24385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 2439e607ed068334bacb8d7b093996b4671c6ca79e25Mike StumpQualType ASTContext::getTagDeclType(const TagDecl *Decl) { 2440d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2441e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2442e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2443e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 24445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 24455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 24461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 24471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 24481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 2449a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 2450b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 24515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 24525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 245364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 245464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 245564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 245664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 245764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 245864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 245964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 246064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 246164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 246264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 246364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 246464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 246564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 246664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 24678b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 24688b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 24698b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 2470b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 24718b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 24728b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 2473e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2474e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 2475e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2476e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 247754e14c4db764c0636160d26c5bbf491637c83a76John McCallCanQualType ASTContext::getCanonicalParamType(QualType T) { 247854e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 247954e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 248054e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 2481745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = getVariableArrayDecayedType(T); 248254e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 248354e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 248454e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 248554e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 248654e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 248754e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 248854e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 248954e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 249054e14c4db764c0636160d26c5bbf491637c83a76John McCall } 249154e14c4db764c0636160d26c5bbf491637c83a76John McCall 249254e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 249354e14c4db764c0636160d26c5bbf491637c83a76John McCall} 249454e14c4db764c0636160d26c5bbf491637c83a76John McCall 249577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// getCanonicalType - Return the canonical (structural) type corresponding to 249677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// the specified potentially non-canonical type. The non-canonical version 249777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// of a type may have many "decorated" versions of types. Decorators can 249877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 249977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// to be free of any of these, allowing two canonical types to be compared 250077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// for exact equality with a simple pointer comparison. 250150d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas GregorCanQualType ASTContext::getCanonicalType(QualType T) { 25020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 25030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ptr = Quals.strip(T); 25040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanType = Ptr->getCanonicalTypeInternal(); 25050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 25060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // The canonical internal type will be the canonical type *except* 25070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // that we push type qualifiers down through array types. 25081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If there are no new qualifiers to push down, stop here. 25100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Quals.hasQualifiers()) 251150d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(CanType); 2512c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 25130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the type qualifiers are on an array type, get the canonical 25140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type of the array with the qualifiers applied to the element 25150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type. 2516c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner ArrayType *AT = dyn_cast<ArrayType>(CanType); 2517c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (!AT) 25180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return CanQualType::CreateUnsafe(getQualifiedType(CanType, Quals)); 25191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2520c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2521c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 25220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(AT->getElementType(), Quals); 2523c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner NewEltTy = getCanonicalType(NewEltTy); 25241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2525c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 252650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 252750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getConstantArrayType(NewEltTy, CAT->getSize(), 252850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor CAT->getSizeModifier(), 25290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2530c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) 253150d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 253250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getIncompleteArrayType(NewEltTy, IAT->getSizeModifier(), 25330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 25341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2535898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor if (DependentSizedArrayType *DSAT = dyn_cast<DependentSizedArrayType>(AT)) 253650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 253750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getDependentSizedArrayType(NewEltTy, 25383fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall DSAT->getSizeExpr(), 253950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor DSAT->getSizeModifier(), 25400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 254187a924e37dc40c6e3e2b33d1dbd646aeccf4c15bDouglas Gregor DSAT->getBracketsRange())->getCanonicalTypeInternal()); 2542898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2543c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VariableArrayType *VAT = cast<VariableArrayType>(AT); 254450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(getVariableArrayType(NewEltTy, 25453fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 254650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getSizeModifier(), 25470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 254850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getBracketsRange())); 2549c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 2550c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 255128e318cc6008c2bc008f0caee70dc736a03d6289Chandler CarruthQualType ASTContext::getUnqualifiedArrayType(QualType T, 255228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth Qualifiers &Quals) { 25535535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth Quals = T.getQualifiers(); 25549dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const ArrayType *AT = getAsArrayType(T); 25559dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 25565535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth return T.getUnqualifiedType(); 255728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 255828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 255928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth QualType Elt = AT->getElementType(); 2560c1ae0a8b0022a9fbb50d3413139f36ec5d8a63beZhongxing Xu QualType UnqualElt = getUnqualifiedArrayType(Elt, Quals); 256128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth if (Elt == UnqualElt) 256228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return T; 256328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 25649dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 256528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getConstantArrayType(UnqualElt, CAT->getSize(), 256628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 256728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 256828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 25699dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 257028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getIncompleteArrayType(UnqualElt, IAT->getSizeModifier(), 0); 257128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 257228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 25739dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 25749dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor return getVariableArrayType(UnqualElt, 25753fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 25769dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 25779dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 25789dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 25799dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 25809dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 25819dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 25823fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall return getDependentSizedArrayType(UnqualElt, DSAT->getSizeExpr(), 258328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 258428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 258528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 258628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 25875a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// UnwrapSimilarPointerTypes - If T1 and T2 are pointer types that 25885a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// may be similar (C++ 4.4), replaces T1 and T2 with the type that 25895a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// they point to and return true. If T1 and T2 aren't pointer types 25905a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// or pointer-to-member types, or if they are not similar at this 25915a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// level, returns false and leaves T1 and T2 unchanged. Top-level 25925a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// qualifiers on T1 and T2 are ignored. This function will typically 25935a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// be called in a loop that successively "unwraps" pointer and 25945a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// pointer-to-member types to compare them at each level. 25955a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregorbool ASTContext::UnwrapSimilarPointerTypes(QualType &T1, QualType &T2) { 25965a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const PointerType *T1PtrType = T1->getAs<PointerType>(), 25975a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2PtrType = T2->getAs<PointerType>(); 25985a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1PtrType && T2PtrType) { 25995a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1PtrType->getPointeeType(); 26005a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2PtrType->getPointeeType(); 26015a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 26025a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 26035a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 26045a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const MemberPointerType *T1MPType = T1->getAs<MemberPointerType>(), 26055a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2MPType = T2->getAs<MemberPointerType>(); 26065a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1MPType && T2MPType && 26075a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor hasSameUnqualifiedType(QualType(T1MPType->getClass(), 0), 26085a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor QualType(T2MPType->getClass(), 0))) { 26095a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1MPType->getPointeeType(); 26105a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2MPType->getPointeeType(); 26115a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 26125a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 26135a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 26145a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (getLangOptions().ObjC1) { 26155a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const ObjCObjectPointerType *T1OPType = T1->getAs<ObjCObjectPointerType>(), 26165a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2OPType = T2->getAs<ObjCObjectPointerType>(); 26175a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1OPType && T2OPType) { 26185a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1OPType->getPointeeType(); 26195a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2OPType->getPointeeType(); 26205a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 26215a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 26225a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 26235a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 26245a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor // FIXME: Block pointers, too? 26255a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 26265a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return false; 26275a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor} 26285a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 26292577743c5650c646fb705df01403707e94f2df04Abramo BagnaraDeclarationNameInfo ASTContext::getNameForTemplate(TemplateName Name, 26302577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation NameLoc) { 263180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (TemplateDecl *TD = Name.getAsTemplateDecl()) 26322577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 26332577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(TD->getDeclName(), NameLoc); 26342577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 263580ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DependentTemplateName *DTN = Name.getAsDependentTemplateName()) { 26362577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName DName; 263780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 26382577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getIdentifier(DTN->getIdentifier()); 26392577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc); 264080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 26412577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getCXXOperatorName(DTN->getOperator()); 26422577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: FIXME: source locations? 26432577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc DNLoc; 26442577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.BeginOpNameLoc = SourceLocation().getRawEncoding(); 26452577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.EndOpNameLoc = SourceLocation().getRawEncoding(); 26462577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc, DNLoc); 264780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 264880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 264980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 26500bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 26510bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(Storage); 26522577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 26532577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo((*Storage->begin())->getDeclName(), NameLoc); 265480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 265580ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 265625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas GregorTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) { 26573e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateDecl *Template = Name.getAsTemplateDecl()) { 26583e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTemplateParmDecl *TTP 26593e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = dyn_cast<TemplateTemplateParmDecl>(Template)) 26603e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Template = getCanonicalTemplateTemplateParmDecl(TTP); 26613e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 26623e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // The canonical template name is the canonical template declaration. 266397fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 26643e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 266525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 26660bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(!Name.getAsOverloadedTemplate()); 26671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 266825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 266925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor assert(DTN && "Non-dependent template names must refer to template decls."); 267025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor return DTN->CanonicalTemplateName; 267125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 267225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 2673db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 2674db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 2675db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 2676db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 2677db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 2678db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 26791eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 26801275ae098acda31fe0e434510c729fcfed0458a1Douglas GregorASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) { 26811275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 26821275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 26831275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 26841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26851275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 26861275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 26871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26881275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 2689833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 26901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2691788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 2692788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 2693788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor 26941275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 2695833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 26961275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 26971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26981275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 2699833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 27001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27011275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 270287dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor if (Arg.pack_size() == 0) 270387dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor return Arg; 270487dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor 2705910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgument *CanonArgs 2706910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor = new (*this) TemplateArgument[Arg.pack_size()]; 27071275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 27081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 27091275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 27101275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 27111275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 27121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2713910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor return TemplateArgument(CanonArgs, Arg.pack_size()); 27141275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 27151275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 27161275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 27171275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 27181275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 27191275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 27201275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 27211275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 2722d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 2723d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) { 27241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 2725d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2726d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2727d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 2728d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 2729d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 27301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 2731d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 2732d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 2733d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2734d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 2735d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 2736d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 2737d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NestedNameSpecifier::Create(*this, 0, NNS->getAsNamespace()); 2738d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2739d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 2740d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 2741d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 2742264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 2743264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // If we have some kind of dependent-named type (e.g., "typename T::type"), 2744264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // break it apart into its prefix and identifier, then reconsititute those 2745264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // as the canonical nested-name-specifier. This is required to canonicalize 2746264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // a dependent nested-name-specifier involving typedefs of dependent-name 2747264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // types, e.g., 2748264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T::type T1; 2749264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T1::type T2; 2750264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentNameType *DNT = T->getAs<DependentNameType>()) { 2751264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 2752264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DNT->getQualifier()); 2753264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor return NestedNameSpecifier::Create(*this, Prefix, 2754264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor const_cast<IdentifierInfo *>(DNT->getIdentifier())); 2755264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 2756264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 2757643f84353b3b7bbf9b73bcbc7da0ef8a39a5ca99Douglas Gregor // Do the same thing as above, but with dependent-named specializations. 2758264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentTemplateSpecializationType *DTST 2759264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = T->getAs<DependentTemplateSpecializationType>()) { 2760264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 2761264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DTST->getQualifier()); 2762264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor TemplateName Name 2763264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getDependentTemplateName(Prefix, DTST->getIdentifier()); 2764264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor T = getTemplateSpecializationType(Name, 2765264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor DTST->getArgs(), DTST->getNumArgs()); 2766264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor T = getCanonicalType(T); 2767264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 2768264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 2769264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor return NestedNameSpecifier::Create(*this, 0, false, T.getTypePtr()); 2770d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2771d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2772d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 2773d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 2774d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 2775d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2776d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2777d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 2778d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2779d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2780d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2781c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2782c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerconst ArrayType *ASTContext::getAsArrayType(QualType T) { 2783c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 2784a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 2785c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 2786c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 2787c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 2788c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 27891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 2791c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType CType = T->getCanonicalTypeInternal(); 27920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<ArrayType>(CType)) 2793c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 27941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 2796c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 2797c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 27981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2799c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 2800c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 280150d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 28020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 28030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 280449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const Type *Ty = Qs.strip(T.getDesugaredType(*this)); 28051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2806c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 2807c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *ATy = dyn_cast<ArrayType>(Ty); 28080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ATy == 0 || Qs.empty()) 2809c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 28101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2811c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 2812c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 2813c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2814c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 28150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), Qs); 28161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2817c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 2818c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 2819c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 28200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2821c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 2822c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 2823c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 28240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 2825898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 28261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 2827898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 2828898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 28291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 28303fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall DSAT->getSizeExpr(), 2831898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 28320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 28337e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 28341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2835c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 28367e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 28373fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 2838c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 28390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 28407e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 284177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 284277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 2843e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 2844e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 2845e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 2846e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 2847e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 2848e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 2849e6327747b72bb687c948270f702ff53c30f411a6Chris LattnerQualType ASTContext::getArrayDecayedType(QualType Ty) { 2850c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 2851c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 2852c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 2853c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 2854c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 2855c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 28561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2857c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 2858e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 2859e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 28600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 2861e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 2862e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 28635e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas GregorQualType ASTContext::getBaseElementType(QualType QT) { 28640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 28650237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer while (const ArrayType *AT = getAsArrayType(QualType(Qs.strip(QT), 0))) 28660237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer QT = AT->getElementType(); 286749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return Qs.apply(*this, QT); 28685e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 28695e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 2870fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders CarlssonQualType ASTContext::getBaseElementType(const ArrayType *AT) { 2871fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson QualType ElemTy = AT->getElementType(); 28721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2873fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson if (const ArrayType *AT = getAsArrayType(ElemTy)) 2874fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson return getBaseElementType(AT); 28751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28766183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson return ElemTy; 28776183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 28786183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 28790de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 28801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 28810de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 28820de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 28830de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 28840de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 28850de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 28860de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 28870de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 28880de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 28890de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 28905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 28915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 2892a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 2893183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 28945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 2895a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 2896183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 2897183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 2898a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 28995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 29005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 29015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 29025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 29035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 29045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 29051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 29061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 2907716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 2908716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 29091361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 29101361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 29111361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 29121361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 29131361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 2914716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 2915f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 2916f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 2917f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 2918f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 2919f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 29201361b11066239ea15764a2a844405352d87296b3Chris Lattner 29211361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 29221361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 29231361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 29241361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 29251361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 29261361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 29275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 29285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 29295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 29307cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 29317cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 29327cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 29331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 2934a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) { 2935a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 2936a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 29371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2938a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 2939fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 2940a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 2941fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 2942fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 29435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 29445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2945f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 2946f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 2947f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 2948f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanunsigned ASTContext::getIntegerRank(Type *T) { 2949467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 2950f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman if (EnumType* ET = dyn_cast<EnumType>(T)) 2951842aef8d942a880eeb9535d40de31a86838264cbJohn McCall T = ET->getDecl()->getPromotionType().getTypePtr(); 2952f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 29533f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (T->isSpecificBuiltinType(BuiltinType::WChar_S) || 29543f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner T->isSpecificBuiltinType(BuiltinType::WChar_U)) 2955a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 2956a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 2957f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 2958f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 2959f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2960f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 2961f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 2962f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2963f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 29647cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 29657cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 2966f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 29677cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 29687cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 29697cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 29707cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 2971f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 29727cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 29737cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 2974f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 29757cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 29767cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 2977f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 29787cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 29797cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 2980f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 29817cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 29827cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 2983f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 29842df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 29852df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 29862df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 2987f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 2988f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 2989f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 299004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 299104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 299204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 299304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 299404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 299504e8357f6801e9ff52673e7e899a67bbabf9de93Eli FriedmanQualType ASTContext::isPromotableBitField(Expr *E) { 2996ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor if (E->isTypeDependent() || E->isValueDependent()) 2997ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor return QualType(); 2998ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor 299904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 300004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 300104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 300204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 300304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 300404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 300504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 300604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 300704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 300804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 300904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 301004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 301104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 301204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 301304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 301404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 301504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 301604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 301704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 301804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 301904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 302004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 302104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 302204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 302304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 3024a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 3025a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 3026a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 3027a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType ASTContext::getPromotedIntegerType(QualType Promotable) { 3028a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 3029a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 3030842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 3031842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 3032a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 3033a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 3034a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 3035a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 3036a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 3037a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 3038a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 3039a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 30401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 30417cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 30421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 30437cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattnerint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) { 3044f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *LHSC = getCanonicalType(LHS).getTypePtr(); 3045f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *RHSC = getCanonicalType(RHS).getTypePtr(); 30467cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 30471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3048f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 3049f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 30501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30517cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 30527cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 30531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30547cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 30557cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 30567cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 30577cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 30581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30597cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 30607cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 30617cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 30627cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 30637cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 30641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30657cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 30667cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 30671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 30687cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 30697cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 30707cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 30717cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 30727cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 30737cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 30741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30757cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 30767cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 30771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 30787cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 30795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 308071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 308179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 308279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders CarlssonCreateRecordDecl(ASTContext &Ctx, RecordDecl::TagKind TK, DeclContext *DC, 308379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson SourceLocation L, IdentifierInfo *Id) { 308479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 308579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return CXXRecordDecl::Create(Ctx, TK, DC, L, Id); 308679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 308779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return RecordDecl::Create(Ctx, TK, DC, L, Id); 308879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 308979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 30901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 309171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders CarlssonQualType ASTContext::getCFConstantStringType() { 309271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 30931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 3094465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 309579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 30965cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 309779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 3098f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 30991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 310071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 31010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 3102f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 3103f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 310471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 31050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 310671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 31071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 31081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 310944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 311044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 31111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 311244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 3113a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 31141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 31154afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 31162888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 311717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 311844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 311944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 3120838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 312171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 31221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 312371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 31248467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 3125b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3126319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 31276217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3128319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 3129319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 3130319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3131319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 31322bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian// getNSConstantStringType - Return the type used for constant NSStrings. 31332bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz JahanianQualType ASTContext::getNSConstantStringType() { 31342bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian if (!NSConstantStringTypeDecl) { 31352bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = 3136465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 31372bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian &Idents.get("__builtin_NSString")); 31382bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->startDefinition(); 31392bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31402bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType FieldTypes[3]; 31412bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31422bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const int *isa; 31432bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[0] = getPointerType(IntTy.withConst()); 31442bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const char *str; 31452bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[1] = getPointerType(CharTy.withConst()); 31462bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // unsigned int length; 31472bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[2] = UnsignedIntTy; 31482bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31492bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // Create fields 31502bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian for (unsigned i = 0; i < 3; ++i) { 31512bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldDecl *Field = FieldDecl::Create(*this, NSConstantStringTypeDecl, 31522bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian SourceLocation(), 0, 31532bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[i], /*TInfo=*/0, 31542bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*BitWidth=*/0, 31552bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*Mutable=*/false); 31562888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 31572bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->addDecl(Field); 31582bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 31592bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31602bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->completeDefinition(); 31612bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 31622bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31632bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return getTagDeclType(NSConstantStringTypeDecl); 31642bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 31652bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31662bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanianvoid ASTContext::setNSConstantStringType(QualType T) { 31672bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian const RecordType *Rec = T->getAs<RecordType>(); 31682bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian assert(Rec && "Invalid NSConstantStringType"); 31692bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = Rec->getDecl(); 31702bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 31712bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31721eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getObjCFastEnumerationStateType() { 3173bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 317444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 3175465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 317679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__objcFastEnumerationState")); 31775cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall ObjCFastEnumerationStateTypeDecl->startDefinition(); 31781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3179bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 3180bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 3181de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff getPointerType(ObjCIdTypedefType), 3182bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 3183bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 3184bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 3185bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 31861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 318744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 31881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, 31891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCFastEnumerationStateTypeDecl, 31901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 3191a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 31921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 31934afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 31942888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 319517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ObjCFastEnumerationStateTypeDecl->addDecl(Field); 319644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 31971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3198838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(); 3199bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 32001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3201bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 3202bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 3203bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 3204adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike StumpQualType ASTContext::getBlockDescriptorType() { 3205adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 3206adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3207adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3208adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3209adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 3210465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 321179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 32125cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3213adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3214adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3215adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3216adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3217adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3218adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3219adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3220adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 3221083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 3222adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3223adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3224adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 3225adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump FieldDecl *Field = FieldDecl::Create(*this, 3226adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T, 3227adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 3228adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3229a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3230adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 3231adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*Mutable=*/false); 32322888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3233adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3234adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3235adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3236838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3237adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3238adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 3239adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3240adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3241adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3242adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3243adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stumpvoid ASTContext::setBlockDescriptorType(QualType T) { 3244adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3245adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3246adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = Rec->getDecl(); 3247adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3248adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3249083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike StumpQualType ASTContext::getBlockDescriptorExtendedType() { 3250083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 3251083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3252083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3253083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 3254083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 3255465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 325679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 32575cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3258083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3259083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 3260083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3261083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3262083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 3263083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 3264083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3265083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3266083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 3267083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 3268083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 3269083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 3270083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 3271083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3272083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3273083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 3274083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump FieldDecl *Field = FieldDecl::Create(*this, 3275083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T, 3276083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 3277083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 3278a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3279083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 3280083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*Mutable=*/false); 32812888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3282083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 3283083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 3284083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3285838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3286083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3287083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 3288083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3289083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3290083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3291083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3292083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stumpvoid ASTContext::setBlockDescriptorExtendedType(QualType T) { 3293083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3294083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3295083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = Rec->getDecl(); 3296083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3297083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3298af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stumpbool ASTContext::BlockRequiresCopying(QualType Ty) { 3299af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isBlockPointerType()) 3300af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3301af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (isObjCNSObjectType(Ty)) 3302af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3303af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isObjCObjectPointerType()) 3304af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3305e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (getLangOptions().CPlusPlus) { 3306e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (const RecordType *RT = Ty->getAs<RecordType>()) { 3307e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl()); 3308e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian return RD->hasConstCopyConstructor(*this); 3309e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian 3310e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3311e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3312af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3313af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3314af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 33154087f27e5416c799bcb6be072f905be752acb61cDaniel DunbarQualType ASTContext::BuildByRefType(llvm::StringRef DeclName, QualType Ty) { 3316af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3317ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3318af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3319ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3320ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 3321a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__copy_helper; // as needed 3322a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__destroy_help // as needed 3323af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3324ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3325ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3326af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3327af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3328af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 3329f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3330f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3331f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3332af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3333465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 333479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 3335af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3336af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3337af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3338af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3339af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3340af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3341af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3342af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3343af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3344af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3345af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3346af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3347af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 33484087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef FieldNames[] = { 3349af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3350af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3351af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3352af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3353af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3354af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3355af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3356af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3357af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3358af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3359af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3360af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3361af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3362af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3363a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3364af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /*BitWidth=*/0, /*Mutable=*/false); 33652888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3366af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3367af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3368af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3369838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3370af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3371af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3372ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3373ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3374ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3375ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike StumpQualType ASTContext::getBlockParmType( 3376083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump bool BlockHasCopyDispose, 3377ea1471e0e967548c596a71469702f8846dbaf3c0John McCall llvm::SmallVectorImpl<const Expr *> &Layout) { 3378ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 3379adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Move up 3380f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3381f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__block_literal_" 3382f5942a44880be26878592eb052b737579349411eBenjamin Kramer << ++UniqueBlockParmTypeID; 3383adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3384465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 338579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 33865cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3387adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3388adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3389adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3390adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3391adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3392083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump (BlockHasCopyDispose ? 3393083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorExtendedType()) : 3394083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorType())) 3395adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3396adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3397adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3398adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__isa", 3399adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__flags", 3400adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__reserved", 3401adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__FuncPtr", 3402adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__descriptor" 3403adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3404adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3405adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 5; ++i) { 3406ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3407adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3408a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3409ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 34102888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3411ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump T->addDecl(Field); 3412ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3413ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3414ea1471e0e967548c596a71469702f8846dbaf3c0John McCall for (unsigned i = 0; i < Layout.size(); ++i) { 3415ea1471e0e967548c596a71469702f8846dbaf3c0John McCall const Expr *E = Layout[i]; 3416ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 3417ea1471e0e967548c596a71469702f8846dbaf3c0John McCall QualType FieldType = E->getType(); 3418ea1471e0e967548c596a71469702f8846dbaf3c0John McCall IdentifierInfo *FieldName = 0; 3419ea1471e0e967548c596a71469702f8846dbaf3c0John McCall if (isa<CXXThisExpr>(E)) { 3420ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName = &Idents.get("this"); 3421ea1471e0e967548c596a71469702f8846dbaf3c0John McCall } else if (const BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(E)) { 3422ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const ValueDecl *D = BDRE->getDecl(); 3423ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName = D->getIdentifier(); 3424ea1471e0e967548c596a71469702f8846dbaf3c0John McCall if (BDRE->isByRef()) 34254087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FieldType = BuildByRefType(D->getName(), FieldType); 3426ea1471e0e967548c596a71469702f8846dbaf3c0John McCall } else { 3427ea1471e0e967548c596a71469702f8846dbaf3c0John McCall // Padding. 3428ea1471e0e967548c596a71469702f8846dbaf3c0John McCall assert(isa<ConstantArrayType>(FieldType) && 3429ea1471e0e967548c596a71469702f8846dbaf3c0John McCall isa<DeclRefExpr>(E) && 3430ea1471e0e967548c596a71469702f8846dbaf3c0John McCall !cast<DeclRefExpr>(E)->getDecl()->getDeclName() && 3431ea1471e0e967548c596a71469702f8846dbaf3c0John McCall "doesn't match characteristics of padding decl"); 3432ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3433ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3434ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3435ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName, FieldType, /*TInfo=*/0, 3436ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 34372888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3438adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3439adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3440adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3441838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3442ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3443ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump return getPointerType(getTagDeclType(T)); 3444adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3445adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3446319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setObjCFastEnumerationStateType(QualType T) { 34476217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3448319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid ObjCFAstEnumerationStateType"); 3449319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCFastEnumerationStateTypeDecl = Rec->getDecl(); 3450319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3451319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 3452e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3453e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 34542d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3455e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3456bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3457bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 34581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 345985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 346085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 346185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3462a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 346333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 3464aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen DyckCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) { 3465199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 34661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 346733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 34682ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor if (sz.isPositive() && type->isIntegralOrEnumerationType()) 3469199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 347033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 347133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3472199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3473aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3474199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3475199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3476199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3477199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3478199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 347933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 348033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 34816f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian/// getObjCEncodingForBlockDecl - Return the encoded type for this block 34825e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 34835e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnallvoid ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr, 34845e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall std::string& S) { 34855e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 34865e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 34875e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 34885e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 3489c71a4915ca216847599d03cab4ed1c5086b0eb43John McCall getObjCEncodingForType(BlockTy->getAs<FunctionType>()->getResultType(), S); 34905e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 34915e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 34925e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 34935e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3494199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3495199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 34966f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 34975e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 34985e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3499aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3500199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 35015e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 35025e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 35035e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3504199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 35055e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 35065e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 35075e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 35085e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 35095e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 35105e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 35115e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 35125e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 35135e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 35145e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 35155e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 35165e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 35175e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 35185e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 35195e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 35205e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 35215e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 35225e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 35235e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 3524199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3525aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 35265e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 35275e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 35285e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 3529a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 353033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 35311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 3532e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3533c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3534ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 3535a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 353633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 35370d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 353833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 353933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 354033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 354133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 3542199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 354333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 354433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 3545199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 354689951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 35477732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 354889951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 3549aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3550199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 3551199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 355233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 355333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 3554199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 355533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 3556199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 35571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 355833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 355933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 356089951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 35617732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 356289951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 35631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 35644306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 3565ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 3566ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 3567ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 3568bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 3569ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3570ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 3571ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3572ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 357333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 35744306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 35750d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 3576199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3577aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 357833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 357933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 358033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 3581c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 358283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 3583c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 3584c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 35851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 35861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 35871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 35881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 35891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 359083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 359183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 359283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 359383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 359483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 359583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 359683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 359783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 359883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 359983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 360083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 360183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 360283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 360383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 360483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 360583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 36061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 3607c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 3608e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3609c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 3610c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 3611c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 3612c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3613c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 3614c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 36151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 3616c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 3617c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 361817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 3619653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3620c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3621c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3622c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3623c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3624c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3625c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3626c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3627c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3628c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3629c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 363061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 3631c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 363217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 3633653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3634c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3635c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3636c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3637c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3638c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3639c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3640c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3641c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 36421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3643c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3644c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3645c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3646c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3647c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 3648c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3649c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 3650090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 3651090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 36521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 3653090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 3654090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 3655c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3656c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 3657c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 3658c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3659c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 3660c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 3661c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 36621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 3663c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3664c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3665c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3666c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 3667c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 3668c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 3669c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 3670c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3671090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 3672090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 36731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3674c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 3675c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 3676077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 3677c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3678c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3679c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 3680c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 3681077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 3682c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3683c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3684c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 3685c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 3686c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 368739f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 3688c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3689c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3690c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 3691c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 3692c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3693a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 36941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 36951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 3696a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 3697a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 3698a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 36998e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 3700183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 3701c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::ULong && 3702c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3703a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 37041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 3705c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::Long && 3706c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3707a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 3708a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3709a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3710a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 3711a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 37127d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 3713153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field) { 371482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 371582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 371682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 371782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 37181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 37195b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 372082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 372182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 372264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnallstatic char ObjCEncodingForPrimitiveKind(const ASTContext *C, QualType T) { 372364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall switch (T->getAs<BuiltinType>()->getKind()) { 372464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall default: assert(0 && "Unhandled builtin type kind"); 372564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Void: return 'v'; 372664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Bool: return 'B'; 372764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_U: 372864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UChar: return 'C'; 372964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UShort: return 'S'; 373064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt: return 'I'; 373164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULong: 373264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return 373364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall (const_cast<ASTContext *>(C))->getIntWidth(T) == 32 ? 'L' : 'Q'; 373464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt128: return 'T'; 373564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULongLong: return 'Q'; 373664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_S: 373764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::SChar: return 'c'; 373864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Short: return 's'; 37393f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 37403f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 374164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int: return 'i'; 374264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Long: 374364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return 374464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall (const_cast<ASTContext *>(C))->getIntWidth(T) == 32 ? 'l' : 'q'; 374564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongLong: return 'q'; 374664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int128: return 't'; 374764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Float: return 'f'; 374864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Double: return 'd'; 37493a0be84b2aed8563150cdbd976a98838afa261ebDaniel Dunbar case BuiltinType::LongDouble: return 'D'; 375064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 375164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall} 375264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall 37531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic void EncodeBitField(const ASTContext *Context, std::string& S, 375464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall QualType T, const FieldDecl *FD) { 37558b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 37568b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 37578b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian ASTContext *Ctx = const_cast<ASTContext*>(Context); 37588b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 375964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The NeXT runtime encodes bit fields as b followed by the number of bits. 376064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The GNU runtime requires more information; bitfields are encoded as b, 376164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // then the offset (in bits) of the first element, then the type of the 376264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // bitfield, then the size in bits. For example, in this structure: 376364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // 376464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // struct 376564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // { 376664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int integer; 376764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int flags:2; 376864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // }; 376964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // On a 32-bit system, the encoding for flags would be b2 for the NeXT 377064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // runtime, but b32i2 for the GNU runtime. The reason for this extra 377164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // information is not especially sensible, but we're stuck with it for 377264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // compatibility with GCC, although providing it breaks anything that 377364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // actually uses runtime introspection and wants to work on both runtimes... 377464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (!Ctx->getLangOptions().NeXTRuntime) { 377564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const RecordDecl *RD = FD->getParent(); 377664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const ASTRecordLayout &RL = Ctx->getASTRecordLayout(RD); 377764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // FIXME: This same linear search is also used in ExprConstant - it might 377864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // be better if the FieldDecl stored its offset. We'd be increasing the 377964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // size of the object slightly, but saving some time every time it is used. 378064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned i = 0; 378164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall for (RecordDecl::field_iterator Field = RD->field_begin(), 378264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall FieldEnd = RD->field_end(); 378364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall Field != FieldEnd; (void)++Field, ++i) { 378464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (*Field == FD) 378564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall break; 378664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 378764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += llvm::utostr(RL.getFieldOffset(i)); 3788c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall if (T->isEnumeralType()) 3789c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall S += 'i'; 3790c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall else 3791c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall S += ObjCEncodingForPrimitiveKind(Context, T); 379264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 379364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 37948b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 37958b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 37968b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 379701eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 379882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 379982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 380082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 3801153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 3802090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 38036ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty) { 380464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (T->getAs<BuiltinType>()) { 3805ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 380664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return EncodeBitField(this, S, T, FD); 380764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(this, T); 3808ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3809ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 38101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3811183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 3812c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 38131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 3814c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 3815ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3816ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 381760bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 3818aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 3819aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 38206217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 38218d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 38228d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 38238d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 38248d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 3825aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 3826aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 3827aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 3828aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 3829aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 3830a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 3831a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 3832a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 3833a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 38341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 38358e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 3836a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 3837a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3838a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3839a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 38409fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 3841a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 38426217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 38436217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 3844a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 3845a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3846a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3847a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3848a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3849a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 3850a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 3851a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 3852a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 38530237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer if (llvm::StringRef(S).endswith("nr")) 38540237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 3855a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 38561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 385785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 385885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 385985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 3860e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 386185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 386285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 386385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 38646217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 38659533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 38669533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 38679533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 38689533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 38699533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 38709533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 38719533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 38729533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 38739533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 38749533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 38759533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 387685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 387785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 3878a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 3879a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 38801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 388143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 3882ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3883ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3884aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 3885ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 3886ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 3887ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 3888559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (isa<IncompleteArrayType>(AT)) { 3889559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 3890559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 3891559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 38921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3893559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3894559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 3895559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 38961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3897559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 3898559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += llvm::utostr(CAT->getSize().getZExtValue()); 3899559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson else { 3900559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 3901559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson assert(isa<VariableArrayType>(AT) && "Unknown array type!"); 3902559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 3903559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 39041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3906559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3907559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 3908559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 3909ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3910ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 39111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3912183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 3913c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 3914ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3915ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 39161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39176217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 391882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 3919d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 3920502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 3921502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 3922502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 39236fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 39246fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 39256fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 39266fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 39276fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 3928910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.data(), 3929910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.size(), 39306fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian (*this).PrintingPolicy); 39316fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 39326fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 39336fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 3934502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 3935502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 3936502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 39370d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 39387d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 393917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 394017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 394144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor Field != FieldEnd; ++Field) { 394243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (FD) { 3943d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 394444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor S += Field->getNameAsString(); 3945d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 3946d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 39471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3948d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar // Special case bit-fields. 394943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (Field->isBitField()) { 39501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 395143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian (*Field)); 3952d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } else { 3953a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType qt = Field->getType(); 3954a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(qt); 39551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(qt, S, false, true, 395643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 3957d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 39587d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 39596de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 3960d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 3961ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3962ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3963e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 3964ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 39658b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 396664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall EncodeBitField(this, S, T, FD); 39678b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 39688b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 3969ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3970ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 39711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3972ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 397321a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 3974ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3975ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 39761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3977c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 3978c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 3979c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 3980c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 39810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 398243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 39830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 398443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 398543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 398643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 398743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 39882c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian llvm::SmallVector<ObjCIvarDecl*, 32> Ivars; 39892c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(OI, true, Ivars); 39902c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (unsigned i = 0, e = Ivars.size(); i != e; ++i) { 39912c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian FieldDecl *Field = cast<FieldDecl>(Ivars[i]); 39922c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (Field->isBitField()) 39932c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, Field); 399443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 39952c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, FD); 399643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 399743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 3998ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 399943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 40001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4001183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 400214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 400314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 400414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4005ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 40061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 400727d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 400827d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 400927d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 401027d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 401114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 401214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4013ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 40141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4015ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 40161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 401714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 401814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 401914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 402014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 402114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 402214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 402367ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 402467ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 402514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 402614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 402714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 402814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 402914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 403014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 403114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4032ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 40331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4034ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 4035ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 4036ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 4037ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 40381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 4039ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 4040ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 40411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 40421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 4043ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 404414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 404514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4046ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 4047ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 404827d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 4049ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 405027d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 405167ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 405267ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 4053ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 4054ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 4055ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 40561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4057ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 4058ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4059ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4060ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 40611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4062532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 4063532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 4064532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 4065532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 4066e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4067e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian if (T->isVectorType()) { 4068e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // This matches gcc's encoding, even though technically it is 4069e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // insufficient. 4070e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // FIXME. We should do a better job than gcc. 4071e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian return; 4072e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian } 4073e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4074ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 407585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 407685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 40771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 4078ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 4079ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 4080ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 4081ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 4082ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 4083ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 4084ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 4085ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 4086ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 4087ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 4088ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 4089ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 4090ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 4091ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 4092ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 4093ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 4094b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 40951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4096b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 4097b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 4098b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 4099ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCIdType(QualType T) { 4100de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = T; 41017e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 41027e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 4103ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCSelType(QualType T) { 410413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = T; 4105b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 4106b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 4107ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 4108a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 4109390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 4110390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 4111ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCClassType(QualType T) { 4112de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = T; 41138baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 41148baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 4115a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 41161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 41172198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 41181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4119a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 41202198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 41212198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 41220bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 41230bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 4124eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCallTemplateName ASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 4125eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall UnresolvedSetIterator End) { 41260bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 41270bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 41287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 41290bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 41300bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 41310bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 41320bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 41330bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 4134eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 41350bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 41360bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 41370bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 41380bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 41390bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 41407532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 41417532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 41420bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 41437532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 41447532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4145d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 4146d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 41471eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 4148d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor bool TemplateKeyword, 41490bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall TemplateDecl *Template) { 4150789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 4151d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 4152d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 41531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4154d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 4155d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 41560bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4157d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 4158d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 4159d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 4160d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 41611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4162d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 4163d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 4164d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 41657532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 41667532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 41671eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 41687532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name) { 41691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 41703b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 41717532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 41727532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 41737532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 41747532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 41757532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 41767532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 41777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 41787532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 41797532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 41807532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 41817532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 41827532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 41837532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 41847532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 41857532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 41867532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 41877532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 4188789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 4189789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4190789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 4191789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 41927532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 41937532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 41947532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 41957532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 41967532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 41977532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4198ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 4199ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 4200ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 4201ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 4202ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Operator) { 4203ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 4204ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 4205ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4206ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 4207ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 4208ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4209ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 4210789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 4211789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4212ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4213ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 4214ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4215ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4216ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 4217ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 4218ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 4219ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 4220ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 4221ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 4222789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 4223789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 4224789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4225789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 4226789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 4227ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 4228ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4229ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 4230ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4231ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 4232ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4233b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 4234d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 4235d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 4236e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 4237b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 4238e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 4239b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 4240b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 4241b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 4242b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 4243b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 4244b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 4245b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 4246b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 4247b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 4248b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 4249b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 4250e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 4251b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 4252b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4253b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4254b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 4255b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4256b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4257fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// isObjCNSObjectType - Return true if this is an NSObject object using 4258fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// NSObject attribute on a c-style pointer type. 4259fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// FIXME - Make it work directly on types. 4260f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff/// FIXME: Move to Type. 4261fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// 4262fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanianbool ASTContext::isObjCNSObjectType(QualType Ty) const { 4263fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefType *TDT = dyn_cast<TypedefType>(Ty)) { 4264fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefDecl *TD = TDT->getDecl()) 426540b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (TD->getAttr<ObjCNSObjectAttr>()) 4266fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return true; 4267fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian } 42681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return false; 4269fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian} 4270fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 42714fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 42724fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 42734fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 42740953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(const QualType &Ty) const { 42750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttrs = Qualifiers::GCNone; 42764fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian if (getLangOptions().ObjC1 && 42774fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian getLangOptions().getGCMode() != LangOptions::NonGC) { 4278b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner GCAttrs = Ty.getObjCGCAttr(); 42794fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian // Default behavious under objective-c's gc is for objective-c pointers 42801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // (or pointers to them) be treated as though they were declared 4281a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian // as __strong. 42820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GCAttrs == Qualifiers::GCNone) { 428375212ee91313bc1b6dd826d9b173541bc4016539Fariborz Jahanian if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 42840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GCAttrs = Qualifiers::Strong; 4285a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian else if (Ty->isPointerType()) 42866217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 4287a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian } 4288c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // Non-pointers have none gc'able attribute regardless of the attribute 4289c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // set on them. 4290f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff else if (!Ty->isAnyPointerType() && !Ty->isBlockPointerType()) 42910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 42924fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 4293b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 42944fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 42954fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 42966ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 42976ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 42986ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 4299770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 43001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 43016ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 43026ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 43036ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 4304467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 43056ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 430661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 43076ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 43086ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4309255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregorbool ASTContext::areCompatibleVectorTypes(QualType FirstVec, 4310255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor QualType SecondVec) { 4311255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(FirstVec->isVectorType() && "FirstVec should be a vector type"); 4312255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(SecondVec->isVectorType() && "SecondVec should be a vector type"); 4313255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4314255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (hasSameUnqualifiedType(FirstVec, SecondVec)) 4315255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4316255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4317f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // Treat Neon vector types and most AltiVec vector types as if they are the 4318f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // equivalent GCC vector types. 4319255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *First = FirstVec->getAs<VectorType>(); 4320255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *Second = SecondVec->getAs<VectorType>(); 4321f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson if (First->getNumElements() == Second->getNumElements() && 4322255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor hasSameType(First->getElementType(), Second->getElementType()) && 4323f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecPixel && 4324f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecBool && 4325f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecPixel && 4326f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecBool) 4327255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4328255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4329255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return false; 4330255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor} 4331255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 43324084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 43334084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 43344084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 43354084c306635b70f37029dca938444e6013f08684Steve Naroff 43364084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 43374084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 43380fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanianbool ASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 43390fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian ObjCProtocolDecl *rProto) { 43404084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 434114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 43424084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 43434084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 43444084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 43454084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 43464084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 43474084c306635b70f37029dca938444e6013f08684Steve Naroff} 434814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 43494084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 43504084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 43514084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 43524084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 43534084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 43544084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 43554084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 43564084c306635b70f37029dca938444e6013f08684Steve Naroff} 43574084c306635b70f37029dca938444e6013f08684Steve Naroff 4358a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// ObjCQualifiedClassTypesAreCompatible - compare Class<p,...> and 4359a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// Class<p1, ...>. 4360a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanianbool ASTContext::ObjCQualifiedClassTypesAreCompatible(QualType lhs, 4361a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType rhs) { 4362a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *lhsQID = lhs->getAs<ObjCObjectPointerType>(); 4363a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 4364a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian assert ((lhsQID && rhsOPT) && "ObjCQualifiedClassTypesAreCompatible"); 4365a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4366a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 4367a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = lhsQID->qual_end(); I != E; ++I) { 4368a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian bool match = false; 4369a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *lhsProto = *I; 4370a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 4371a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = rhsOPT->qual_end(); J != E; ++J) { 4372a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 4373a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto)) { 4374a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian match = true; 4375a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian break; 4376a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4377a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4378a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (!match) 4379a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return false; 4380a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4381a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return true; 4382a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian} 4383a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 43844084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 43854084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 43864084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 43874084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 43884084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 43891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 43904084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 43914084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 43921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 43934084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 43944084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 43954084c306635b70f37029dca938444e6013f08684Steve Naroff 43964084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 4397183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 43981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43994084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 44001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44014084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 44021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 44034084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 44044084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 44054084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 44064084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 44074084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 44084084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 44094084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 44100fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 44114084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 44124084c306635b70f37029dca938444e6013f08684Steve Naroff } 44134084c306635b70f37029dca938444e6013f08684Steve Naroff } 44144084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 44154084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 44164084c306635b70f37029dca938444e6013f08684Steve Naroff } 44171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 44184084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 44194084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 44204084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 44214084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 4422de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 4423de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 4424de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 4425de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 44264084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 44274084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 44284084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 44294084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 44304084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 44314084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 44328f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 44338f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 4434de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 44351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 44364084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 44374084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 44384084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 44394084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 44404084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 44414084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 44424084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 44430fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 44444084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 44454084c306635b70f37029dca938444e6013f08684Steve Naroff break; 44464084c306635b70f37029dca938444e6013f08684Steve Naroff } 44474084c306635b70f37029dca938444e6013f08684Steve Naroff } 44484084c306635b70f37029dca938444e6013f08684Steve Naroff } 44494084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 4450de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 4451de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 44521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4453de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 4454de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 44551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44564084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 44574084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 44584084c306635b70f37029dca938444e6013f08684Steve Naroff 44591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 44604084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 4461de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // If both the right and left sides have qualifiers. 44624084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 44634084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 44644084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 44654084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 44664084c306635b70f37029dca938444e6013f08684Steve Naroff 4467de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // when comparing an id<P> on rhs with a static type on lhs, 44684084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 44694084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 4470de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // First, lhs protocols in the qualifier list must be found, direct 4471de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // or indirect in rhs's qualifier list or it is a mismatch. 44724084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 44734084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 44744084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 44754084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 44764084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 44774084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 44784084c306635b70f37029dca938444e6013f08684Steve Naroff break; 44794084c306635b70f37029dca938444e6013f08684Steve Naroff } 44804084c306635b70f37029dca938444e6013f08684Steve Naroff } 44814084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 44824084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 44834084c306635b70f37029dca938444e6013f08684Steve Naroff } 4484de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian 4485de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // Static class's protocols, or its super class or category protocols 4486de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // must be found, direct or indirect in rhs's qualifier list or it is a mismatch. 4487de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 4488de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4489de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian CollectInheritedProtocols(lhsID, LHSInheritedProtocols); 4490de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // This is rather dubious but matches gcc's behavior. If lhs has 4491de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // no type qualifier and its class has no static protocol(s) 4492de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // assume that it is mismatch. 4493de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (LHSInheritedProtocols.empty() && lhsOPT->qual_empty()) 4494de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 4495de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4496de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian LHSInheritedProtocols.begin(), 4497de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = LHSInheritedProtocols.end(); I != E; ++I) { 4498de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian bool match = false; 4499de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *lhsProto = (*I); 4500de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 4501de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = rhsQID->qual_end(); J != E; ++J) { 4502de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 4503de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 4504de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 4505de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian match = true; 4506de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian break; 4507de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 4508de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 4509de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (!match) 4510de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 4511de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 4512de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 45134084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 45144084c306635b70f37029dca938444e6013f08684Steve Naroff } 45154084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 45164084c306635b70f37029dca938444e6013f08684Steve Naroff} 45174084c306635b70f37029dca938444e6013f08684Steve Naroff 45184084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 45194084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 45204084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 45214084c306635b70f37029dca938444e6013f08684Steve Naroff/// 45224084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 45234084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 4524c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4525c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4526c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 45274084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 4528c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 4529c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 45304084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 45314084c306635b70f37029dca938444e6013f08684Steve Naroff 4532c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 45331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 45341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 45354084c306635b70f37029dca938444e6013f08684Steve Naroff false); 4536a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4537a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (LHS->isObjCQualifiedClass() && RHS->isObjCQualifiedClass()) 4538a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return ObjCQualifiedClassTypesAreCompatible(QualType(LHSOPT,0), 4539a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType(RHSOPT,0)); 4540a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4541c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 4542c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 45434084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 45441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45454084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 454614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 454714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4548132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 4549132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// for providing type-safty for objective-c pointers used to pass/return 4550132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 4551132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 4552132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 4553132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 4554132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4555132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *RHSOPT) { 4556a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 4557132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4558132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4559132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 4560132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 4561132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4562132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4563a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 4564132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 4565132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 4566132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 4567132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4568132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 4569132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 4570132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 4571132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 4572132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 4573132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4574132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 4575132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4576132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4577132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4578132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4579132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4580132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4581132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4582132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4583e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 4584e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 4585e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 4586e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 4587e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 4588e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 4589e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4590e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 4591e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 4592e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4593c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4594c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4595c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 4596c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 4597e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4598e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 4599e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 4600e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 4601e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 4602e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4603432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4604c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 4605c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 4606e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 4607e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 4608e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4609e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4610e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 4611e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 4612cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 4613cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 4614e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 4615e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 4616e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 4617e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4618e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4619432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 4620c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 4621c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 4622432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4623432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 4624432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 4625432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 4626432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 4627e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4628e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 4629e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4630db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 4631db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 4632db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 4633db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 4634db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 4635c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 4636c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 4637c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 4638c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 4639c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 4640c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 4641c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LDecl || !RDecl) 4642db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4643db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4644c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall while ((LDecl = LDecl->getSuperClass())) { 4645c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 4646e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 4647c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::SmallVector<ObjCProtocolDecl *, 8> Protocols; 4648c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 4649c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4650c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 4651c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 4652c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 4653c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 4654c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 4655e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4656db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian } 4657db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4658db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4659db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 4660db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4661c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 4662c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 4663c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 4664c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 4665c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 46666ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 46676ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 4668c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 46696ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 46701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46716ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 46726ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 4673c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 46746ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 46751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46766ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, then it 46776ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // isn't a superset. 4678c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (RHS->getNumProtocols() == 0) 46796ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; // FIXME: should return false! 46801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4681c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 4682c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 468391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 468491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 468591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 468691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 468791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 4688c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 4689c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 46908f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 46918f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 469291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 46938f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 46948f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 469591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 469691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 469791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 469891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 469991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 470091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 470191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 47026ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 47036ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4704389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 4705389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 4706183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 4707183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 47081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 470914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 4710389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 471114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 471214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 471314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 4714389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 4715389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 4716569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorbool ASTContext::canBindObjCObjectType(QualType To, QualType From) { 4717569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return canAssignObjCInterfaces( 4718569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(To)->getAs<ObjCObjectPointerType>(), 4719569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(From)->getAs<ObjCObjectPointerType>()); 4720569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 4721569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 47221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 4723ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 47241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 4725ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 4726447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregorbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS, 4727447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool CompareUnqualified) { 47280e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 47290e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 47300e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 4731447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return !mergeTypes(LHS, RHS, false, CompareUnqualified).isNull(); 47323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 47333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4734132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 4735132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 4736132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4737132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 47384846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeTransparentUnionType - if T is a transparent union type and a member 47394846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// of T is compatible with SubType, return the merged type, else return 47404846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// QualType() 47414846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeTransparentUnionType(QualType T, QualType SubType, 47424846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 47434846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 47444846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (const RecordType *UT = T->getAsUnionType()) { 47454846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne RecordDecl *UD = UT->getDecl(); 47464846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (UD->hasAttr<TransparentUnionAttr>()) { 47474846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne for (RecordDecl::field_iterator it = UD->field_begin(), 47484846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne itend = UD->field_end(); it != itend; ++it) { 4749f91d7572ee7fa6f2926c8e7e816039a1154a59f8Peter Collingbourne QualType ET = it->getType().getUnqualifiedType(); 47504846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType MT = mergeTypes(ET, SubType, OfBlockPointer, Unqualified); 47514846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!MT.isNull()) 47524846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return MT; 47534846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 47544846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 47554846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 47564846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 47574846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return QualType(); 47584846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 47594846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 47604846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeFunctionArgumentTypes - merge two types which appear as function 47614846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// argument types 47624846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeFunctionArgumentTypes(QualType lhs, QualType rhs, 47634846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 47644846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 47654846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // GNU extension: two types are compatible if they appear as a function 47664846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // argument, one of the types is a transparent union type and the other 47674846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // type is compatible with a union member 47684846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType lmerge = mergeTransparentUnionType(lhs, rhs, OfBlockPointer, 47694846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 47704846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!lmerge.isNull()) 47714846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return lmerge; 47724846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 47734846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType rmerge = mergeTransparentUnionType(rhs, lhs, OfBlockPointer, 47744846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 47754846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!rmerge.isNull()) 47764846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return rmerge; 47774846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 47784846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return mergeTypes(lhs, rhs, OfBlockPointer, Unqualified); 47794846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 47804846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 4781132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 4782447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 4783447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 4784183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 4785183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 478672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 478772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 47883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 47893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 47903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 47913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 4792132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 4793132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) 4794447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = mergeTypes(rbase->getResultType(), lbase->getResultType(), true, 4795447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 4796132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 47978cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall retType = mergeTypes(lbase->getResultType(), rbase->getResultType(), false, 47988cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall Unqualified); 47993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 4800447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4801447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 4802447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = retType.getUnqualifiedType(); 4803447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4804447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType LRetType = getCanonicalType(lbase->getResultType()); 4805447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType RRetType = getCanonicalType(rbase->getResultType()); 4806447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4807447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LRetType = LRetType.getUnqualifiedType(); 4808447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RRetType = RRetType.getUnqualifiedType(); 4809447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 4810447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4811447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != LRetType) 481261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 4813447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != RRetType) 481461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 48158cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 48166a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 48176a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 48186a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 48196a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 4820264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 4821264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 48228cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 48238cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Compatible functions must have compatible calling conventions 48248cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (!isSameCallConv(lbaseInfo.getCC(), rbaseInfo.getCC())) 48258cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 48268cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 48278cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Regparm is part of the calling convention. 48288cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (lbaseInfo.getRegParm() != rbaseInfo.getRegParm()) 48298cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 48308cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 48318cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // It's noreturn if either type is. 48328cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // FIXME: some uses, e.g. conditional exprs, really want this to be 'both'. 48336a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 48348cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (NoReturn != lbaseInfo.getNoReturn()) 48356a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 48368cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (NoReturn != rbaseInfo.getNoReturn()) 48376a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 48381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48398cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall FunctionType::ExtInfo einfo(NoReturn, 48408cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall lbaseInfo.getRegParm(), 48418cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall lbaseInfo.getCC()); 4842e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 48433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 4844465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 4845465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 48463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 48473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 48483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 48493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 48503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 48513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 48523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 48533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 48543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 48553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 48563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 48577fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 48587fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 48597fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 48603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 48613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman llvm::SmallVector<QualType, 10> types; 48623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 48633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 48643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 48654846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType argtype = mergeFunctionArgumentTypes(largtype, rargtype, 48664846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne OfBlockPointer, 48674846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 48683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 4869447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4870447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 4871447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor argtype = argtype.getUnqualifiedType(); 4872447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 48733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 4874447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4875447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor largtype = largtype.getUnqualifiedType(); 4876447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor rargtype = rargtype.getUnqualifiedType(); 4877447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 4878447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 487961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 488061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 488161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 488261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 48833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 48843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 48853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 4886e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 4887e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = lproto->getExtProtoInfo(); 4888e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 4889e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(retType, types.begin(), types.size(), EPI); 48903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 48913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 48923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 48933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 48943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 489572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 48963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 4897465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 48983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 48993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 49003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 49013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 49023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 49033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 49043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 49053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 49063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 4907b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 4908b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 4909b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 4910b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 4911b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 4912b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 49133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 49143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 49153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 49163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 49173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 49183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 49193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 4920e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 4921e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = proto->getExtProtoInfo(); 4922e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 49233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 4924e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall proto->getNumArgs(), EPI); 49253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 49263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 49273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 49283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 49298cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return getFunctionNoProtoType(retType, einfo); 49303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 49313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4932132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 4933447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 4934447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 493543d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 493643d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 493743d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 49387c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 49397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 49400e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 49410e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 4942447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4943447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4944447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHS = LHS.getUnqualifiedType(); 4945447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHS = RHS.getUnqualifiedType(); 4946447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 49470e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 49483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 49493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 49503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4951f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 49523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 49533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 49543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 49550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 4956a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 4957a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 49580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 49590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 49600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 49610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 49620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall LQuals.getAddressSpace() != RQuals.getAddressSpace()) 49630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 49640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 49650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 49660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 49670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 49680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 49690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 49700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 49710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 49720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 49730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 49740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 49750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 49760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 49770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 49780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 49790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 49800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 49810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 49820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 49833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 49840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 49850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 49860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 49873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4988852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 4989852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 4990f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 49911adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 49921adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 49931adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 49941adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 49954c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 49964c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 4997a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 4998a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 4999a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 5000a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 50011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5002c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 5003c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 5004c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 5005c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5006213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 5007213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 5008213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 50091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50104e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 50114e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 50121adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 50131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 5014842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 5015842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 5016183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 50173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 50183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 5019bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 5020183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 50213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 50223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 5023bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 50241adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 50253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 5026ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 50273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 50284a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 50291adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 503072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 503172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 5032ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 503372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 503472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 503572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 503672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 503772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 503872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 50397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 50407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 504172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 504272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 504372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 504472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 5045c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 504672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 504772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 504872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 504972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 505072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 505172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 505272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 50531adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 50543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 50553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 50566217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 50576217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 5058447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5059447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5060447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5061447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5062447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, false, 5063447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 50643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 506507d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 506661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 506707d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 506861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 50693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 50703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 5071c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 5072c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 5073c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 50746217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 50756217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 5076447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5077447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5078447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5079447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5080447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer, 5081447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 5082c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 5083c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 5084c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 5085c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 5086c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 5087c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 5088c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 50891adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 50903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 50913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 50923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 50933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 50943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 50953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 50963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 50973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 5098447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5099447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSElem = LHSElem.getUnqualifiedType(); 5100447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSElem = RHSElem.getUnqualifiedType(); 5101447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5102447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5103447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSElem, RHSElem, false, Unqualified); 51043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 510561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 510661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 510761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 510861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 51093bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 51103bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 51113bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 51123bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 51133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 51143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 511561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 511661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 511761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 511861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 51193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 51203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 51213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 51223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 51233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 51243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 51253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 51263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 51273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 51283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 51293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 51303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 51313bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 51323bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 51337e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 51347e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 51353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 51361adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 5137447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return mergeFunctionTypes(LHS, RHS, OfBlockPointer, Unqualified); 513872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 513972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 51403d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 51411adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 51423cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 51433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 514464cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 514564cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 514664cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 51473cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 51485a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 51491c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 51501c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 51513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 515261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 5153c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 5154c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 51555a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 51565a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 5157c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 5158c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 5159c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 51605fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 51615fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 51623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 516361490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 516414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 5165132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 5166132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 5167132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 5168132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian RHS->getAs<ObjCObjectPointerType>())) 5169132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 5170132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 5171132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5172183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 5173183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 517414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 517514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5176bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 5177132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5178ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 517972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 518072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 5181ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 51827192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 51832390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 51842390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 51852390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 51862390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 51872390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 51882390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 51892390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 51902390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 51912390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 51922390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 51932390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 51942390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 51952390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 51962390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 51972390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 51982390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 51992390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 52002390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 52012390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 52022390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 52032390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 52042390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 52052390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 52062390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 52072390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 5208e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 5209e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getFunctionExtInfo(LHS); 52102390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 52112390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 5212e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FPT->getNumArgs(), EPI); 52132390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 52142390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 52152390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 52162390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 52172390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 52182390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 52192390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 52202390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 52212390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 52222390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 52232390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 52242390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 52252390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 52262390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 52272390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 52282390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 52292390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 52302390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 52312390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 52322390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 52332390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 52342390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 52352390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 52362390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 52372390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 52382390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 52392390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 52402390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 52412390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 52422390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 52432390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 52442390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 52452390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 52462390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 52472390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 52482390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 52492390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 52502390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 52512390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 52522390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 52532390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 52542390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 52552390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 52562390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 52572390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 52582390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 52595426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 5260ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 5261ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 526288054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 5263ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedmanunsigned ASTContext::getIntWidth(QualType T) { 5264842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (EnumType *ET = dyn_cast<EnumType>(T)) 526529a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 52661274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (T->isBooleanType()) 52671274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor return 1; 5268f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 5269ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 5270ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5271ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 5272ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 5273f60946222721d9ba3c059563935c17b84703187aDouglas Gregor assert(T->hasSignedIntegerRepresentation() && "Unexpected type"); 52746a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 52756a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 52766a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 52776a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 5278e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VTy->getNumElements(), VTy->getVectorKind()); 52796a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 52806a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 52816a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 5282ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 52836a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 52846a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 52856a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 5286ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 5287ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 5288ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 5289ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 5290ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 5291ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 5292ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 5293ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 5294ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 5295ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 5296ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 5297ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 52982df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 52992df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 5300ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 5301ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 5302ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 5303ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 5304ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5305ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 53062cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorExternalASTSource::~ExternalASTSource() { } 53072cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 53082cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregorvoid ExternalASTSource::PrintStats() { } 530986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 53107b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios KyrtzidisASTMutationListener::~ASTMutationListener() { } 53117b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios Kyrtzidis 531286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 531386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 531486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 531586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 531686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 531786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 531833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// pointer over the consumed characters. This returns the resultant type. If 531933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// AllowTypeModifiers is false then modifier like * are not parsed, just basic 532033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// types. This allows "v2i*" to be parsed as a pointer to a v2i instead of 532133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// a vector of "i*". 532214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// 532314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// RequiresICE is filled in on return to indicate whether the value is required 532414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// to be an Integer Constant Expression. 53251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic QualType DecodeTypeFromStr(const char *&Str, ASTContext &Context, 532686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 532714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool &RequiresICE, 532833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner bool AllowTypeModifiers) { 532986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 533086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 533186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 533214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = false; 5333393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 533433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Read the prefixed modifiers first. 533586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 533686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 533786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 53381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 5339393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner case 'I': 534014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = true; 5341393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner break; 534286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 534386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 534486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 534586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 534686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 534786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 534886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 534986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 535086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 535186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 535286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 535386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 535486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 535586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 535686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 535786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 535886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 535986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 53601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 536186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 536286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 536386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 536486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 536586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 536686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 536786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 536886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 536986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 537086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 537186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 537286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 537386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 537486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 537586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 537686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 537786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 537886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 537986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 538086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 538186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 538286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 538386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 538486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 538586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 538686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 538786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 538886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 538986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 539086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 539186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 539286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 539386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 539486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 539586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 539686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 539786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 539886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 539986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 540086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 540186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 540286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 540386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 540486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 540586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 540686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 540786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 540886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 540986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 541086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 541186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 541286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 541386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 541486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 541586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 541686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 541786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 541886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 5419ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'G': 5420ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCIdType(); 5421ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 5422ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'H': 5423ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCSelType(); 5424ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 542586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 542686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 542786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 542886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 542986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 543086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 543186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 543286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 543386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 543486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 543586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 543686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 543786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 543886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 543986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 544014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (Type->isArrayType()) 544186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 544214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner else 544386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 544486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 544586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 544686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 544786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 544886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 544986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 54501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 545114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, 545214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, false); 545314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require vector ICE"); 545433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner 545533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // TODO: No way to make AltiVec vectors in builtins yet. 5456788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Type = Context.getVectorType(ElementType, NumElements, 5457e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 545886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 545986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5460d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 546114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, RequiresICE, 546214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner false); 546314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require complex ICE"); 5464d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 5465d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 5466d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor } 54679a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 5468c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 5469c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 5470f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 547186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 547286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5473fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 54749a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 5475f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 5476782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 5477f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 5478f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 5479f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 5480fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 5481f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 5482fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 5483fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 5484fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 5485782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 54861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 548733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // If there are modifiers and if we're allowed to parse them, go for it. 548833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Done = !AllowTypeModifiers; 548986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 5490187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 549133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner default: Done = true; --Str; break; 549233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '*': 549333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '&': { 549433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Both pointers and references can have their pointee types 549533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // qualified with an address space. 549633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner char *End; 549733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner unsigned AddrSpace = strtoul(Str, &End, 10); 549833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (End != Str && AddrSpace != 0) { 549933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getAddrSpaceQualType(Type, AddrSpace); 550033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Str = End; 550133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 550233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (c == '*') 550333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getPointerType(Type); 550433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner else 550533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getLValueReferenceType(Type); 550633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 550733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 550833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 550933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'C': 551033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Type.withConst(); 551133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 551233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'D': 551333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getVolatileType(Type); 551433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 551586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 551686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5517393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 551814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert((!RequiresICE || Type->isIntegralOrEnumerationType()) && 5519393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner "Integer constant 'I' type must be an integer"); 55201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 552186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 552286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 552386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 552486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 552533daae66462e8f51ee153463b32bdefd60c801aaChris LattnerQualType ASTContext::GetBuiltinType(unsigned Id, 552614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner GetBuiltinTypeError &Error, 552714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner unsigned *IntegerConstantArgs) { 552833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(Id); 55291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 553086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner llvm::SmallVector<QualType, 8> ArgTypes; 55311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 553214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool RequiresICE = false; 553386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 553414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error, 553514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, true); 553686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 553786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 553814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 553914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Result of intrinsic cannot be required to be an ICE"); 554014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 554186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 554214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error, RequiresICE, true); 554386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 554486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 554586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 554614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // If this argument is required to be an IntegerConstantExpression and the 554714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // caller cares, fill in the bitmask we return. 554814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (RequiresICE && IntegerConstantArgs) 554914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner *IntegerConstantArgs |= 1 << ArgTypes.size(); 555014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 555186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 555286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 555386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 55541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 555586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 555686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 555786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 555886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 555986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 556086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 556100ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall FunctionType::ExtInfo EI; 556200ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (BuiltinInfo.isNoReturn(Id)) EI = EI.withNoReturn(true); 556300ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 556400ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall bool Variadic = (TypeStr[0] == '.'); 556500ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 556600ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall // We really shouldn't be making a no-proto type here, especially in C++. 556700ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (ArgTypes.empty() && Variadic) 556800ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall return getFunctionNoProtoType(ResType, EI); 5569ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 5570e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI; 557100ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.ExtInfo = EI; 557200ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.Variadic = Variadic; 5573e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5574e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), EPI); 557586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 5576a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 557790e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForFunction(const FunctionDecl *FD) { 557890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage External = GVA_StrongExternal; 557990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 558090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = FD->getLinkage(); 558190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 558290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis FD->getType()->getLinkage() == UniqueExternalLinkage) 558390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 558490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 558590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 558690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 558790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 558890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 558990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 559090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 559190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 559290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (FD->getTemplateSpecializationKind()) { 559390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 559490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 559590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_StrongExternal; 559690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 559790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 559890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 559990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 560090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 560190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 560290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 560390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_TemplateInstantiation; 560490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 560590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 560690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 560790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 560890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isInlined()) 560990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 561090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 561190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!getLangOptions().CPlusPlus || FD->hasAttr<GNUInlineAttr>()) { 561290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // GNU or C99 inline semantics. Determine whether this symbol should be 561390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // externally visible. 561490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->isInlineDefinitionExternallyVisible()) 561590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 561690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 561790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C99 inline semantics, where the symbol is not externally visible. 561890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 561990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 562090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 562190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C++0x [temp.explicit]p9: 562290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // [ Note: The intent is that an inline function that is the subject of 562390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // an explicit instantiation declaration will still be implicitly 562490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // instantiated when used so that the body can be considered for 562590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // inlining, but that no out-of-line copy of the inline function would be 562690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // generated in the translation unit. -- end note ] 562790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->getTemplateSpecializationKind() 562890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis == TSK_ExplicitInstantiationDeclaration) 562990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 563090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 563190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_CXXInline; 563290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 563390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 563490e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForVariable(const VarDecl *VD) { 563590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // If this is a static data member, compute the kind of template 563690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // specialization. Otherwise, this variable is not part of a 563790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // template. 563890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TemplateSpecializationKind TSK = TSK_Undeclared; 563990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (VD->isStaticDataMember()) 564090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TSK = VD->getTemplateSpecializationKind(); 564190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 564290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = VD->getLinkage(); 564390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 564490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis VD->getType()->getLinkage() == UniqueExternalLinkage) 564590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 564690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 564790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 564890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 564990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 565090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 565190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 565290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 565390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 565490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (TSK) { 565590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 565690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 565790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 565890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 565990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 566090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis llvm_unreachable("Variable should not be instantiated"); 566190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Fall through to treat this like any other instantiation. 566290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 566390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 566490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 566590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 566690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 566790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_TemplateInstantiation; 566890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 566990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 567090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 567190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 567290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 567390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 56744ac7c0bb39696e92fd220118fedc484c09a69870Argyrios Kyrtzidisbool ASTContext::DeclMustBeEmitted(const Decl *D) { 567590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 567690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!VD->isFileVarDecl()) 567790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 567890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } else if (!isa<FunctionDecl>(D)) 567990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 568090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 5681ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis // Weak references don't produce any output by themselves. 5682ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (D->hasAttr<WeakRefAttr>()) 5683ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 5684ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 568590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Aliases and used decls are required. 568690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (D->hasAttr<AliasAttr>() || D->hasAttr<UsedAttr>()) 568790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 568890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 568990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 569090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Forward declarations aren't required. 569190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isThisDeclarationADefinition()) 569290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 569390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 569490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Constructors and destructors are required. 569590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->hasAttr<ConstructorAttr>() || FD->hasAttr<DestructorAttr>()) 569690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 569790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 569890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // The key function for a class is required. 569990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 570090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXRecordDecl *RD = MD->getParent(); 570190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (MD->isOutOfLine() && RD->isDynamicClass()) { 570290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXMethodDecl *KeyFunc = getKeyFunction(RD); 570390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (KeyFunc && KeyFunc->getCanonicalDecl() == MD->getCanonicalDecl()) 570490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 570590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 570690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 570790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 570890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage Linkage = GetGVALinkageForFunction(FD); 570990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 571090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // static, static inline, always_inline, and extern inline functions can 571190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // always be deferred. Normal inline functions can be deferred in C99/C++. 571290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Implicit template instantiations can also be deferred in C++. 571390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (Linkage == GVA_Internal || Linkage == GVA_C99Inline || 571490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage == GVA_CXXInline || Linkage == GVA_TemplateInstantiation) 571590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 571690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 571790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 571890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 571990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const VarDecl *VD = cast<VarDecl>(D); 572090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis assert(VD->isFileVarDecl() && "Expected file scoped var"); 572190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 5722ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (VD->isThisDeclarationADefinition() == VarDecl::DeclarationOnly) 5723ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 5724ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 572590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Structs that have non-trivial constructors or destructors are required. 572690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 572790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // FIXME: Handle references. 572890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const RecordType *RT = VD->getType()->getAs<RecordType>()) { 572990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl())) { 5730bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis if (RD->hasDefinition() && 5731bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis (!RD->hasTrivialConstructor() || !RD->hasTrivialDestructor())) 573290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 573390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 573490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 573590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 573690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage L = GetGVALinkageForVariable(VD); 573790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == GVA_Internal || L == GVA_TemplateInstantiation) { 573890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!(VD->getInit() && VD->getInit()->HasSideEffects(*this))) 573990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 574090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 574190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 574290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 574390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 5744071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 5745ee743f903858e337434ac0335f147f4de4ecae05Charles DavisCallingConv ASTContext::getDefaultMethodCallConv() { 5746ee743f903858e337434ac0335f147f4de4ecae05Charles Davis // Pass through to the C++ ABI object 5747ee743f903858e337434ac0335f147f4de4ecae05Charles Davis return ABI->getDefaultMethodCallConv(); 5748ee743f903858e337434ac0335f147f4de4ecae05Charles Davis} 5749ee743f903858e337434ac0335f147f4de4ecae05Charles Davis 5750dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlssonbool ASTContext::isNearlyEmpty(const CXXRecordDecl *RD) { 5751dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson // Pass through to the C++ ABI object 5752dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson return ABI->isNearlyEmpty(RD); 5753dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson} 5754dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson 5755071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI::~CXXABI() {} 5756