ASTContext.cpp revision df1367af26cb2959775e9511108f12dcd2370a27
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" 2319cc4abea06a9b49e0e16a50d335c064cd723572Anders Carlsson#include "clang/AST/RecordLayout.h" 241b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner#include "clang/Basic/Builtins.h" 25a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner#include "clang/Basic/SourceManager.h" 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/TargetInfo.h" 27f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/ADT/SmallString.h" 2885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson#include "llvm/ADT/StringExtras.h" 296fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman#include "llvm/Support/MathExtras.h" 30f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/Support/raw_ostream.h" 31071cc7deffad608165b1ddd5263e8bf181861520Charles Davis#include "CXXABI.h" 3229445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 351827403a7138946305c0058f262e02b595cf882fDouglas Gregorunsigned ASTContext::NumImplicitDefaultConstructors; 361827403a7138946305c0058f262e02b595cf882fDouglas Gregorunsigned ASTContext::NumImplicitDefaultConstructorsDeclared; 37225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregorunsigned ASTContext::NumImplicitCopyConstructors; 38225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregorunsigned ASTContext::NumImplicitCopyConstructorsDeclared; 39a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregorunsigned ASTContext::NumImplicitCopyAssignmentOperators; 40a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregorunsigned ASTContext::NumImplicitCopyAssignmentOperatorsDeclared; 414923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregorunsigned ASTContext::NumImplicitDestructors; 424923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregorunsigned ASTContext::NumImplicitDestructorsDeclared; 434923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor 445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerenum FloatingRank { 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatRank, DoubleRank, LongDoubleRank 465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 483e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregorvoid 493e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorASTContext::CanonicalTemplateTemplateParm::Profile(llvm::FoldingSetNodeID &ID, 503e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *Parm) { 513e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Parm->getDepth()); 523e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Parm->getPosition()); 533e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // FIXME: Parameter pack 543e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 553e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList *Params = Parm->getTemplateParameters(); 563e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Params->size()); 573e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 583e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor PEnd = Params->end(); 593e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor P != PEnd; ++P) { 603e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) { 613e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(0); 623e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddBoolean(TTP->isParameterPack()); 633e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor continue; 643e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 653e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 663e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(*P)) { 673e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(1); 683e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // FIXME: Parameter pack 693e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddPointer(NTTP->getType().getAsOpaquePtr()); 703e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor continue; 713e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 723e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 733e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *TTP = cast<TemplateTemplateParmDecl>(*P); 743e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(2); 753e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Profile(ID, TTP); 763e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 773e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor} 783e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 793e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorTemplateTemplateParmDecl * 803e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorASTContext::getCanonicalTemplateTemplateParmDecl( 813e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *TTP) { 823e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Check if we already have a canonical template template parameter. 833e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor llvm::FoldingSetNodeID ID; 843e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonicalTemplateTemplateParm::Profile(ID, TTP); 853e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor void *InsertPos = 0; 863e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonicalTemplateTemplateParm *Canonical 873e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); 883e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (Canonical) 893e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor return Canonical->getParam(); 903e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 913e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Build a canonical template parameter list. 923e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList *Params = TTP->getTemplateParameters(); 933e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor llvm::SmallVector<NamedDecl *, 4> CanonParams; 943e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.reserve(Params->size()); 953e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 963e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor PEnd = Params->end(); 973e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor P != PEnd; ++P) { 983e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) 993e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back( 1003e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTypeParmDecl::Create(*this, getTranslationUnitDecl(), 1013e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), TTP->getDepth(), 1023e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->getIndex(), 0, false, 1033e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->isParameterPack())); 1043e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor else if (NonTypeTemplateParmDecl *NTTP 1053e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = dyn_cast<NonTypeTemplateParmDecl>(*P)) 1063e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back( 1073e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor NonTypeTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 1083e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), NTTP->getDepth(), 1093e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor NTTP->getPosition(), 0, 1103e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor getCanonicalType(NTTP->getType()), 1113e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 0)); 1123e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor else 1133e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back(getCanonicalTemplateTemplateParmDecl( 1143e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor cast<TemplateTemplateParmDecl>(*P))); 1153e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 1163e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1173e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *CanonTTP 1183e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = TemplateTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 1193e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), TTP->getDepth(), 1203e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->getPosition(), 0, 1213e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList::Create(*this, SourceLocation(), 1223e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), 1233e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.data(), 1243e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.size(), 1253e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation())); 1263e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1273e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Get the new insert position for the node we care about. 1283e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); 1293e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor assert(Canonical == 0 && "Shouldn't be in the map!"); 1303e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor (void)Canonical; 1313e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1323e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Create the canonical template template parameter entry. 1333e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = new (*this) CanonicalTemplateTemplateParm(CanonTTP); 1343e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonTemplateTemplateParms.InsertNode(Canonical, InsertPos); 1353e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor return CanonTTP; 1363e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor} 1373e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 138071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI *ASTContext::createCXXABI(const TargetInfo &T) { 139ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall if (!LangOpts.CPlusPlus) return 0; 140ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall 14120cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis switch (T.getCXXABI()) { 142ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall case CXXABI_ARM: 143ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall return CreateARMCXXABI(*this); 144ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall case CXXABI_Itanium: 145071cc7deffad608165b1ddd5263e8bf181861520Charles Davis return CreateItaniumCXXABI(*this); 14620cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis case CXXABI_Microsoft: 14720cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis return CreateMicrosoftCXXABI(*this); 14820cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis } 149ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall return 0; 150071cc7deffad608165b1ddd5263e8bf181861520Charles Davis} 151071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 15261710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerASTContext::ASTContext(const LangOptions& LOpts, SourceManager &SM, 153444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar const TargetInfo &t, 154e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar IdentifierTable &idents, SelectorTable &sels, 1551b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 15663fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor unsigned size_reserve) : 157ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationTypes(this_()), 158ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationTypes(this_()), 159006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis GlobalNestedNameSpecifier(0), IsInt128Installed(false), 160006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis CFConstantStringTypeDecl(0), NSConstantStringTypeDecl(0), 161782fa308a765aeac2acb39c4e697c937ec21185bMike Stump ObjCFastEnumerationStateTypeDecl(0), FILEDecl(0), jmp_bufDecl(0), 162083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump sigjmp_bufDecl(0), BlockDescriptorType(0), BlockDescriptorExtendedType(0), 163bf1a028246d884a540aeafa38e89be59a269b072John McCall NullTypeSourceInfo(QualType()), 164071cc7deffad608165b1ddd5263e8bf181861520Charles Davis SourceMgr(SM), LangOpts(LOpts), ABI(createCXXABI(t)), Target(t), 1652e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Idents(idents), Selectors(sels), 166ac9590effa90406767a544005ed1de52e258306bTed Kremenek BuiltinInfo(builtins), 167ac9590effa90406767a544005ed1de52e258306bTed Kremenek DeclarationNames(*this), 168ac9590effa90406767a544005ed1de52e258306bTed Kremenek ExternalSource(0), PrintingPolicy(LOpts), 169f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek LastSDM(0, 0), 170f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek UniqueBlockByRefTypeID(0), UniqueBlockParmTypeID(0) { 1710f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCIdRedefinitionType = QualType(); 1720f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCClassRedefinitionType = QualType(); 17363fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor ObjCSelRedefinitionType = QualType(); 1741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 175e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 17614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff InitBuiltinTypes(); 177e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 178e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 1803478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // Release the DenseMaps associated with DeclContext objects. 1813478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: Is this the ideal solution? 1823478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek ReleaseDeclContextMaps(); 1837d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 18463fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Call all of the deallocation functions. 18563fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (unsigned I = 0, N = Deallocations.size(); I != N; ++I) 18663fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor Deallocations[I].first(Deallocations[I].second); 1870054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 1887d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // Release all of the memory associated with overridden C++ methods. 1897d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor for (llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::iterator 1907d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM = OverriddenMethods.begin(), OMEnd = OverriddenMethods.end(); 1917d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM != OMEnd; ++OM) 1927d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM->second.Destroy(); 1933478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek 194dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // ASTRecordLayout objects in ASTRecordLayouts must always be destroyed 19563fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // because they can contain DenseMaps. 19663fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (llvm::DenseMap<const ObjCContainerDecl*, 19763fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor const ASTRecordLayout*>::iterator 19863fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor I = ObjCLayouts.begin(), E = ObjCLayouts.end(); I != E; ) 19963fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Increment in loop to prevent using deallocated memory. 20063fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 20163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor R->Destroy(*this); 20263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor 203dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek for (llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 204dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { 205dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // Increment in loop to prevent using deallocated memory. 206dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 207dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek R->Destroy(*this); 208dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek } 209bbfd68dd5288c435cfd6aef1264263e5f856958dTed Kremenek } 210ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 2110054531488928a424666ac11fcdc6bcc5112de52Douglas Gregorvoid ASTContext::AddDeallocation(void (*Callback)(void*), void *Data) { 2120054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor Deallocations.push_back(std::make_pair(Callback, Data)); 2130054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor} 2140054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 2162cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 2172cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 2182cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 2192cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 2215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, "*** AST Context Stats:\n"); 2225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d types total.\n", (int)Types.size()); 2237c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 224dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 2251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 226dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 227dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 228dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 229dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 230c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 2315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 2325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 233dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 2345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 236dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 237dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 238dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 239dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 240dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, " %d %s types\n", (int)counts[Idx], #Name); \ 241dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 242dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 243dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 244dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 2451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 246dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, "Total bytes = %d\n", int(TotalBytes)); 247ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor 2484923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor // Implicit special member functions. 2491827403a7138946305c0058f262e02b595cf882fDouglas Gregor fprintf(stderr, " %u/%u implicit default constructors created\n", 2501827403a7138946305c0058f262e02b595cf882fDouglas Gregor NumImplicitDefaultConstructorsDeclared, 2511827403a7138946305c0058f262e02b595cf882fDouglas Gregor NumImplicitDefaultConstructors); 252225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor fprintf(stderr, " %u/%u implicit copy constructors created\n", 253225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor NumImplicitCopyConstructorsDeclared, 254225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor NumImplicitCopyConstructors); 255a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor fprintf(stderr, " %u/%u implicit copy assignment operators created\n", 256a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor NumImplicitCopyAssignmentOperatorsDeclared, 257a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor NumImplicitCopyAssignmentOperators); 2584923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor fprintf(stderr, " %u/%u implicit destructors created\n", 2594923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor NumImplicitDestructorsDeclared, NumImplicitDestructors); 2604923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor 2612cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 2622cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor fprintf(stderr, "\n"); 2632cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 2642cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 265ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor 26663fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor BumpAlloc.PrintStats(); 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 270e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 2716b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 272e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 2736b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 2745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinTypes() { 2775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 2781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 2805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 2811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 2845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 28515b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 2935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 2945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 2951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 2975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 2985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 3021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 30764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 3082df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 3092df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 3102df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 3112df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 3123a2503227c3db04a3619735127483263c1075ef7Chris Lattner if (LangOpts.CPlusPlus) // C++ 3.9.1p5 3133a2503227c3db04a3619735127483263c1075ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar); 3143a2503227c3db04a3619735127483263c1075ef7Chris Lattner else // C99 3153a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 31664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 317f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 318f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 319f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 320f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 321f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 322f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 323f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 324f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 325f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 326f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3278e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor // Placeholder type for functions. 328898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(OverloadTy, BuiltinType::Overload); 329898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 330898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 331898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 332898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 333898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 334898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 335898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 3368e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 3371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Placeholder type for C++0x auto declarations whose real type has 338e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // not yet been deduced. 339e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson InitBuiltinType(UndeducedAutoTy, BuiltinType::UndeducedAuto); 3401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 3435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 3458e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 3467e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 3471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 348de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // "Builtin" typedefs set by Sema::ActOnTranslationUnitScope(). 349de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = QualType(); 350de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = QualType(); 35113dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = QualType(); 3521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35313dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 354de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 355de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 35613dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 35714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 358a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 3591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 36133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 3626e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 3636e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 3646e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 3655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 367251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 368663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 3697caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 370663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 3717caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 3727caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 3737caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 3741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3757caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 3767caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 3777caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 3781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 379251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 3809421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis TemplateSpecializationKind TSK, 3819421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis SourceLocation PointOfInstantiation) { 3827caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 3837caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 3847caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 3857caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 386251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 3879421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis = new (*this) MemberSpecializationInfo(Tmpl, TSK, PointOfInstantiation); 3887caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 3897caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 3907ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 391ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 3927ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 393ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 394ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 3950d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 3961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3970d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 3980d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 3990d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 4000d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 401ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 402ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 403ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 404ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 405ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 406ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 407ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 408ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 409ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 410ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 411ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 412ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 413ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 414ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 415ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 416ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 417ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 418ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 419ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 420ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 421ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 422ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 423ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 424ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 4250d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 4260d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 427d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 428d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 429d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 430d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 431d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 4321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 433d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 434d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 435d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 436d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 437d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 438d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 439d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 440d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 441d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 4421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 443d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 444d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 445d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 4467d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 4477d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 4487d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 4497d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 4507d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 4517d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 4527d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 4537d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 4547d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 4557d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 4567d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 4577d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 4587d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 4597d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 4607d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 4617d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 4627d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 4637d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 4647d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 4657d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 466c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidisunsigned 467c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios KyrtzidisASTContext::overridden_methods_size(const CXXMethodDecl *Method) const { 468c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 469c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis = OverriddenMethods.find(Method); 470c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis if (Pos == OverriddenMethods.end()) 471c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return 0; 472c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 473c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return Pos->second.size(); 474c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis} 475c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 4767d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 4777d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 4787d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 4797d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 4807d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 481464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 482464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 483464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 484a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 485b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 486b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 487b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 488183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 489b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 490b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 491b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 492b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 493b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 494b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 495b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 496b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 497b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 4988b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 499af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 500af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 5015d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 5025d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 5038b752f10c394b140f9ef89e049cbad1a7676fc25Ken DyckCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) { 504dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 505dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 506cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt Align = std::max(Align, D->getMaxAlignment()); 507dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 508af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 509af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 5106217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 5115d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 5125d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 5135d484e8cf710207010720589d89602233de61d01Sebastian Redl else 5145d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 5155d484e8cf710207010720589d89602233de61d01Sebastian Redl } 5165d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 5176deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned MinWidth = Target.getLargeArrayMinWidth(); 5186deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned ArrayAlign = Target.getLargeArrayAlign(); 5196deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (isa<VariableArrayType>(T) && MinWidth != 0) 5206deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola Align = std::max(Align, ArrayAlign); 5216deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (ConstantArrayType *CT = dyn_cast<ConstantArrayType>(T)) { 5226deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned Size = getTypeSize(CT); 5236deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (MinWidth != 0 && MinWidth <= Size) 5246deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola Align = std::max(Align, ArrayAlign); 5256deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola } 5264cc2cfd48d7c2d11141871cad590db7b52ce00a0Anders Carlsson // Incomplete or function types default to 1. 527dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman while (isa<VariableArrayType>(T) || isa<IncompleteArrayType>(T)) 528dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman T = cast<ArrayType>(T)->getElementType(); 529dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 530dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 531dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 53205f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis if (const FieldDecl *FD = dyn_cast<FieldDecl>(VD)) { 53305f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // In the case of a field in a packed struct, we want the minimum 53405f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // of the alignment of the field and the alignment of the struct. 53505f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis Align = std::min(Align, 53605f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis getPreferredTypeAlign(FD->getParent()->getTypeForDecl())); 53705f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 538af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 539dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 5408b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck return CharUnits::fromQuantity(Align / Target.getCharWidth()); 541af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 542b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 543ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 544ea1471e0e967548c596a71469702f8846dbaf3c0John McCallASTContext::getTypeInfoInChars(const Type *T) { 545ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 546ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return std::make_pair(CharUnits::fromQuantity(Info.first / getCharWidth()), 547ea1471e0e967548c596a71469702f8846dbaf3c0John McCall CharUnits::fromQuantity(Info.second / getCharWidth())); 548ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 549ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 550ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 551ea1471e0e967548c596a71469702f8846dbaf3c0John McCallASTContext::getTypeInfoInChars(QualType T) { 552ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 553ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 554ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 555a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 556a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 5570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 5580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 5590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 5600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 561d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 5621d75118af76cae2bfc06389cde410e14bd0a19fcDaniel DunbarASTContext::getTypeInfo(const Type *T) { 5635e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 5645e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 565a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 56672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 56772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 56818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 56972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 57072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 57118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor assert(false && "Should not see dependent types"); 57272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 57372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 5745d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 5755d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 57618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 57718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 57818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 57918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 58018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 58172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 582fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 58318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 58418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 58518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 58618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 587fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 5881d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 5891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 59098be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 5919e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 592030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 593030d8846c7e520330007087e949f621989876e3aChris Lattner break; 5945c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 595213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 596030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 5979fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 5989fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 5999fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 6004bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 6016fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 6026fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 6038eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 6049fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 6059fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 6069fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 607030d8846c7e520330007087e949f621989876e3aChris Lattner break; 608030d8846c7e520330007087e949f621989876e3aChris Lattner } 6095d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 6109e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 611a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 612692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 613d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 61418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 61518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 61618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 61718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 61818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 6196f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 6209e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 6219e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 6226f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 623692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 624692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 625692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 6266f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 6279e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 6289e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 6296f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 63064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis case BuiltinType::WChar: 63164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 63264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 63364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 634f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 635f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar16Width(); 636f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar16Align(); 637f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 638f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 639f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar32Width(); 640f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar32Align(); 641f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 642692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 6436f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 6449e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 6459e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 6466f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 647692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 6486f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 6499e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 6509e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 6516f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 652692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 6536f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 6549e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 6559e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 6566f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 657692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 6586f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 6599e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 6609e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 6616f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 662ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 663ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 664ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 665ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 666ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 6676f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 6689e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 6699e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 6706f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 6716f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 6725426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 6735426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 6746f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 6756f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 6769e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 6779e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 6786f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 6796e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 6806e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Width = Target.getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 6816e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Align = Target.getPointerAlign(0); // == sizeof(void*) 6821590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 683e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCId: 684e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCClass: 685e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCSel: 686e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Width = Target.getPointerWidth(0); 687e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Align = Target.getPointerAlign(0); 688e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian break; 689a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 690bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 691d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 6925426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 693f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 6946f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 695485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 696485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff unsigned AS = cast<BlockPointerType>(T)->getPointeeType().getAddressSpace(); 697485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 698485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 699485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 700485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 7015d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 7025d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 7035d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 7045d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 7055d484e8cf710207010720589d89602233de61d01Sebastian Redl unsigned AS = cast<ReferenceType>(T)->getPointeeType().getAddressSpace(); 7065d484e8cf710207010720589d89602233de61d01Sebastian Redl Width = Target.getPointerWidth(AS); 7075d484e8cf710207010720589d89602233de61d01Sebastian Redl Align = Target.getPointerAlign(AS); 7085d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 7095d484e8cf710207010720589d89602233de61d01Sebastian Redl } 710f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 711f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner unsigned AS = cast<PointerType>(T)->getPointeeType().getAddressSpace(); 7125426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 713f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 714f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 715f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 716f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 717071cc7deffad608165b1ddd5263e8bf181861520Charles Davis const MemberPointerType *MPT = cast<MemberPointerType>(T); 7181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 7191cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 720071cc7deffad608165b1ddd5263e8bf181861520Charles Davis Width = PtrDiffInfo.first * ABI->getMemberPointerSize(MPT); 7211cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 7221cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 723f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 7245d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 7255d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 7265d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 7271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 72898be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 7299e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 7305d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 7315d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 7325d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 733c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 734c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 73544a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 7361d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 73744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 73844a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Width = Layout.getSize(); 73944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Align = Layout.getAlignment(); 74044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 74144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 74272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 74372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 7441d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 7451d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 7461d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 7478389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Width = 1; 7488389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Align = 1; 7498389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 7508389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 7511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7521d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 7537176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 7547176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 7551d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 7567176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 7577176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Width = Layout.getSize(); 7587176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Align = Layout.getAlignment(); 759dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 760a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 7617532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 7629fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 76349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 76449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 76549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 76618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 76718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor const TypedefDecl *Typedef = cast<TypedefType>(T)->getDecl(); 768df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor std::pair<uint64_t, unsigned> Info 769df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor = getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 770df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Align = std::max(Typedef->getMaxAlignment(), Info.second); 771df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Width = Info.first; 7727532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 7737176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 77418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 77518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 77618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 77718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 77818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 77918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 78018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 78118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 782395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 783395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 784395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 785395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 786465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 787465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 7881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 78918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TemplateSpecialization: 7901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 79118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 79218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // FIXME: this is likely to be wrong once we support template 79318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // aliases, since a template alias could refer to a typedef that 79418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // has an __aligned__ attribute on it. 79518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(getCanonicalType(T)); 79618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 7971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 798464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 7999e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 800a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 801a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 802bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 803bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 804bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(QualType T) { 805199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 806bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 807bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(const Type *T) { 808199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 809bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 810bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 81116e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 81286fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 81386fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(QualType T) { 81486fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 81586fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 81686fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(const Type *T) { 81786fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 81886fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 81986fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 82034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 82134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 82234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 82334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 82434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattnerunsigned ASTContext::getPreferredTypeAlign(const Type *T) { 82534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 8261eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 8271eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 828183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 8291eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 8301eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 8311eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 8321eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 8331eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 83434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 83534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 83634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 8378e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// ShallowCollectObjCIvars - 8388e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// Collect all ivars, including those synthesized, in the current class. 8398e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// 8408e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianvoid ASTContext::ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 84111062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 8422c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian // FIXME. This need be removed but there are two many places which 8432c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian // assume const-ness of ObjCInterfaceDecl 8442c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian ObjCInterfaceDecl *IDecl = const_cast<ObjCInterfaceDecl *>(OI); 8452c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCIvarDecl *Iv = IDecl->all_declared_ivar_begin(); Iv; 8462c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian Iv= Iv->getNextIvar()) 8472c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian Ivars.push_back(Iv); 8482c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian} 8492c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian 8502c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// DeepCollectObjCIvars - 8512c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// This routine first collects all declared, but not synthesized, ivars in 8522c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// super class and then collects all ivars, including those synthesized for 8532c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// current class. This routine is used for implementation of current class 8542c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// when all ivars, declared and synthesized are known. 8559820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 8562c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanianvoid ASTContext::DeepCollectObjCIvars(const ObjCInterfaceDecl *OI, 8572c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian bool leafClass, 8589820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 8592c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 8602c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(SuperClass, false, Ivars); 8612c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (!leafClass) { 8622c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 8632c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian E = OI->ivar_end(); I != E; ++I) 86411062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 86511062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian } 8662c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian else 8672c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian ShallowCollectObjCIvars(OI, Ivars); 8689820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 8699820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 870e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 871e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 872e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 873432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 874e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 875e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OI->protocol_begin(), 876e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OI->protocol_end(); P != PE; ++P) { 877e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 878432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 879e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 880b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 881b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 882e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 883e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 884b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 885e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 886e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 887e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 888e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 889e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 890e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 891e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 892e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 893e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 894e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 895b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 896e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCInterfaceDecl::protocol_iterator P = OC->protocol_begin(), 897e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 898e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 899432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 900e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 901e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 902e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 903e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 904b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 905e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 906e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 907e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 908432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 909e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 910e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 911e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 912e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 913e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 914e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 915e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 9163bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanianunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) { 9173bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 9183bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 91980aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian for (const ObjCCategoryDecl *CDecl = OI->getFirstClassExtension(); CDecl; 92080aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian CDecl = CDecl->getNextClassExtension()) 921b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 922b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 9233bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 9243bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 9253bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 926b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 927b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 9288e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 9298e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 9308e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 9318a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 9328a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 9338a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 9348a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 9358a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 9368a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 9378a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 9388a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 9398a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 9408a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 9418a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 9428a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 9438a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 9448a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 9458a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 9468a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 9478a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 9488a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 9498a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 9508a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 9518a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 9528a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 9538a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 9548a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 9558a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 9568a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 9578a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 9588a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 9598a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 9608a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 961a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 962b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 963a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 964b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 965b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 966b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 967b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 968b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 969a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 970109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall unsigned DataSize) { 971109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 972109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 973109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 974109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 975a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 976109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 977a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 978a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 979a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 980a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 981b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 982b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 983a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 984a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall SourceLocation L) { 985a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 986a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall DI->getTypeLoc().initialize(L); 987a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 988a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 989a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 990b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 991b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) { 992b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 993b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 994b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 995b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 996b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCImplementationLayout(const ObjCImplementationDecl *D) { 997b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 998b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 999b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1000a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1001a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 1002a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1003a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 10040953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getExtQualType(const Type *TypeNode, Qualifiers Quals) { 10050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned Fast = Quals.getFastQualifiers(); 10060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.removeFastQualifiers(); 10070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 10090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 10100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQuals::Profile(ID, TypeNode, Quals); 10110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void *InsertPos = 0; 10120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ExtQuals *EQ = ExtQualNodes.FindNodeOrInsertPos(ID, InsertPos)) { 10130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(EQ->getQualifiers() == Quals); 10140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(EQ, Fast); 10150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 10160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 10170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10186b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtQuals *New = new (*this, TypeAlignment) ExtQuals(*this, TypeNode, Quals); 10190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQualNodes.InsertNode(New, InsertPos); 10200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(New, Fast); 10210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 10220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 10230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10240953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getVolatileType(QualType T) { 10250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanT = getCanonicalType(T); 10260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (CanT.isVolatileQualified()) return T; 10270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 10290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 10300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addVolatile(); 10310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 10330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 10340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1035f11284ac87daa613bc7b30db9f54bd716d123222Fariborz JahanianQualType ASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) { 1036f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1037f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1038f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1039b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 10400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 10410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 10420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 10430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 10441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 10460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 10470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 10480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 10490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 10501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1052ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1053ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1054b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 10550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttr) { 1056d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1057b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1058d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 10591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10604027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian if (T->isPointerType()) { 10616217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType Pointee = T->getAs<PointerType>()->getPointeeType(); 106258f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 10634027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 10644027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 10654027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 10664027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 10671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 10690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 10700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 10710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 10721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 10740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 10750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 10760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 10770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 10781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1080d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1081a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1082264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolastatic QualType getExtFunctionType(ASTContext& Context, QualType T, 1083264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 10840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType ResultType; 108543c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (const PointerType *Pointer = T->getAs<PointerType>()) { 108643c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType Pointee = Pointer->getPointeeType(); 1087264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ResultType = getExtFunctionType(Context, Pointee, Info); 108843c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (ResultType == Pointee) 108943c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1090ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1091ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getPointerType(ResultType); 109243c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor } else if (const BlockPointerType *BlockPointer 109343c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor = T->getAs<BlockPointerType>()) { 109443c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType Pointee = BlockPointer->getPointeeType(); 1095264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ResultType = getExtFunctionType(Context, Pointee, Info); 109643c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (ResultType == Pointee) 109743c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1098ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1099ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getBlockPointerType(ResultType); 1100ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor } else if (const FunctionType *F = T->getAs<FunctionType>()) { 1101264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (F->getExtInfo() == Info) 110243c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1103ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 110443c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(F)) { 1105ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getFunctionNoProtoType(FNPT->getResultType(), 1106264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info); 11070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } else { 110843c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor const FunctionProtoType *FPT = cast<FunctionProtoType>(F); 11090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ResultType 1110ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor = Context.getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1111ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getNumArgs(), FPT->isVariadic(), 1112ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getTypeQuals(), 1113ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->hasExceptionSpec(), 1114ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->hasAnyExceptionSpec(), 1115ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getNumExceptions(), 1116ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->exception_begin(), 1117264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info); 11180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 111943c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor } else 112043c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1121ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1122ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return Context.getQualifiedType(ResultType, T.getLocalQualifiers()); 1123ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 1124ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1125ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getNoReturnType(QualType T, bool AddNoReturn) { 1126425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1127264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getExtFunctionType(*this, T, 1128264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withNoReturn(AddNoReturn)); 1129ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 1130ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1131ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getCallConvType(QualType T, CallingConv CallConv) { 1132425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1133264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getExtFunctionType(*this, T, 1134264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(CallConv)); 11352455636163fdd18581d7fdae816433f886d88213Mike Stump} 11362455636163fdd18581d7fdae816433f886d88213Mike Stump 1137425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael EspindolaQualType ASTContext::getRegParmType(QualType T, unsigned RegParm) { 1138425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1139425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola return getExtFunctionType(*this, T, 1140425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola Info.withRegParm(RegParm)); 1141425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola} 1142425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 11435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 11445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 11455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getComplexType(QualType T) { 11465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 11475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 11485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 11495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 11501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 11525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 11535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 11541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 11565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 11575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1158467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1159f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 11601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 11625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1163f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11656b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 11665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 11675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 11685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 11695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 11725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 11735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getPointerType(QualType T) { 11745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 11755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 11765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 11775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 11781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 11805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 11815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 11821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 11845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 11855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1186467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1187f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 11881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 11905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1191f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 11925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11936b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 11945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 11955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 11965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 11975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 12005618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 12015618bd4a52c45fbbb605e3ba885663b2164db8a3Steve NaroffQualType ASTContext::getBlockPointerType(QualType T) { 1202296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1203296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 12045618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 12055618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 12065618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 12071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12085618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 12095618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 12105618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 12115618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 12121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 12145618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 12155618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1216467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 12175618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 12181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12195618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 12205618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 12215618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1222f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12235618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 12246b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 12256b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 12265618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 12275618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 12285618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 12295618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 12305618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 12317c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 12327c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 123354e14c4db764c0636160d26c5bbf491637c83a76John McCallQualType ASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) { 12345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 12355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 123754e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 12385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 12417c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 12425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 12437c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 124454e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 124554e14c4db764c0636160d26c5bbf491637c83a76John McCall 12465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 12475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 12485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 124954e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 125054e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 125154e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 12527c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12537c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 12547c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 12557c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 12567c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12577c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 12587c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12596b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 126054e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 126154e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 12627c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 12637c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 126454e14c4db764c0636160d26c5bbf491637c83a76John McCall 12657c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 12667c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 12677c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12687c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 12697c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 12707c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian RedlQualType ASTContext::getRValueReferenceType(QualType T) { 12717c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 12727c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 12737c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 127454e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 12757c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12767c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 12777c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 12787c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 12797c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 12807c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 128154e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 128254e14c4db764c0636160d26c5bbf491637c83a76John McCall 12837c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 12847c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 12857c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 128654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 128754e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 128854e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 12897c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12917c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 12927c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1293f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12966b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 12976b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 12985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 13005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1303f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1304f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 13051eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) { 1306f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1307f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1308f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1309f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1310f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1311f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1312f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1313f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1314f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1315f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1316f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1317f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1318f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 131987c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1320f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1321f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1322f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1323f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1324f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1325f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 1326f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 13276b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 13286b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1329f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1330f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1331f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1332f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1333f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 13341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1335fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 13361eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 133738aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1338c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 1339c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals) { 1340923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1341923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1342587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1343587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 134438aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 134538aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 134638aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 134738aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace())); 13481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 13500be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, EltTypeQuals); 13511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 13547192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 13555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 13561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 13585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 13595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1360467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 13611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Canonical = getConstantArrayType(getCanonicalType(EltTy), ArySize, 1362c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ASM, EltTypeQuals); 13635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 13657192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1366f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 13675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13696b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 13706b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType(EltTy, Canonical, ArySize, ASM, EltTypeQuals); 13717192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 13725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1376bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1377bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 13787e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 13797e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1380c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 13817e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 13827e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1383c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1384c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 1385715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor QualType CanonType; 1386715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 1387715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor if (!EltTy.isCanonical()) { 1388715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor if (NumElts) 1389715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor NumElts->Retain(); 1390715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor CanonType = getVariableArrayType(getCanonicalType(EltTy), NumElts, ASM, 1391715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor EltTypeQuals, Brackets); 1392715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor } 1393715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 13946b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 1395715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor VariableArrayType(EltTy, CanonType, NumElts, ASM, EltTypeQuals, Brackets); 1396c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1397c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1398c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1399c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1400c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1401c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1402898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1403898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 140404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 14057e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getDependentSizedArrayType(QualType EltTy, 14067e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1407898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 14087e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 14097e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1410cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor assert((!NumElts || NumElts->isTypeDependent() || 1411cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor NumElts->isValueDependent()) && 1412898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1413898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 141404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor void *InsertPos = 0; 1415cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType *Canon = 0; 1416789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 1417cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1418cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor if (NumElts) { 1419cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // Dependently-sized array types that do not have a specified 1420cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // number of elements will have their sizes deduced from an 1421cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // initializer. 1422cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType::Profile(ID, *this, getCanonicalType(EltTy), ASM, 1423cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor EltTypeQuals, NumElts); 1424cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1425cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor Canon = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1426cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1427cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 142804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor DependentSizedArrayType *New; 142904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (Canon) { 143004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // We already have a canonical version of this array type; use it as 143104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // the canonical type for a newly-built type. 14326b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 14336b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(Canon, 0), 14346b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 143504d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 143604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType CanonEltTy = getCanonicalType(EltTy); 143704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (CanonEltTy == EltTy) { 14386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 14396b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(), 14406b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 1441cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1442789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (NumElts) { 1443789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedArrayType *CanonCheck 1444789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1445789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized canonical array type broken"); 1446789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 1447cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayTypes.InsertNode(New, InsertPos); 1448789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 144904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 145004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType Canon = getDependentSizedArrayType(CanonEltTy, NumElts, 145104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor ASM, EltTypeQuals, 145204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor SourceRange()); 14536b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 14546b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, Canon, 14556b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 145604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 145704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 14581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1459898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Types.push_back(New); 1460898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return QualType(New, 0); 1461898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 1462898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1463c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli FriedmanQualType ASTContext::getIncompleteArrayType(QualType EltTy, 1464c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 1465c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals) { 1466c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 14670be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner IncompleteArrayType::Profile(ID, EltTy, ASM, EltTypeQuals); 1468c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1469c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void *InsertPos = 0; 14701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (IncompleteArrayType *ATP = 1471c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 1472c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(ATP, 0); 1473c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1474c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 1475c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // either, so fill in the canonical type field. 1476c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType Canonical; 1477c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1478467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 1479f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getIncompleteArrayType(getCanonicalType(EltTy), 14802bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek ASM, EltTypeQuals); 1481c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1482c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 1483c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType *NewIP = 1484c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1485f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 14862bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1487c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 14886b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType *New = new (*this, TypeAlignment) 14896b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType(EltTy, Canonical, ASM, EltTypeQuals); 1490c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1491c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.InsertNode(New, InsertPos); 1492c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1493c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1494fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1495fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 149673322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 149773322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 149882287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 1499788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::AltiVecSpecific AltiVecSpec) { 15005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer BuiltinType *baseType; 15011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1502f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 150373322924127c873c13101b705dd823f5539ffa5fSteve Naroff assert(baseType != 0 && "getVectorType(): Expecting a built-in type"); 15041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 15065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1507788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::Vector, AltiVecSpec); 1508788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 15095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 15115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 15125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 15145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 15155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1516255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (!vecType.isCanonical()) { 1517788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Canonical = getVectorType(getCanonicalType(vecType), NumElts, 1518788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::NotAltiVec); 15191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 15215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1522f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 15235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15246b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 1525788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType(vecType, NumElts, Canonical, AltiVecSpec); 15265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 15275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 15285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1531213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 153273322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 1533213541a68a3e137d11d2cefb612c6cdb410d7e8eNate BegemanQualType ASTContext::getExtVectorType(QualType vecType, unsigned NumElts) { 153473322924127c873c13101b705dd823f5539ffa5fSteve Naroff BuiltinType *baseType; 15351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1536f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 1537213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman assert(baseType != 0 && "getExtVectorType(): Expecting a built-in type"); 15381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 153973322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 154073322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 1541788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, 1542788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::NotAltiVec); 154373322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 154473322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 154573322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 154673322924127c873c13101b705dd823f5539ffa5fSteve Naroff 154773322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 154873322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 154973322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1550467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1551213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 15521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 155373322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 155473322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1555f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 155673322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 15576b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 15586b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 155973322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 156073322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 156173322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 156273322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 156373322924127c873c13101b705dd823f5539ffa5fSteve Naroff 15641eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getDependentSizedExtVectorType(QualType vecType, 15659cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr, 15669cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc) { 15672ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 15681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 15692ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 15701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15712ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 15722ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 15732ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 15742ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 15752ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 15762ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 15772ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 15786b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15796b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 15806b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 15812ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 15822ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 15832ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 15846b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15856b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 15866b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 1587789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1588789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 1589789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1590789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 1591789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 15922ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 15932ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 15942ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 15952ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 15966b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15976b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 15982ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 15992ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 16001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16019cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 16029cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 16039cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 16049cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 160572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 16065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 1607264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael EspindolaQualType ASTContext::getFunctionNoProtoType(QualType ResultTy, 1608264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 1609264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv = Info.getCC(); 16105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 16115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 16125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1613264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 16141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 16161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 161772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 16185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 16191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1621ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 162204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 1623264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 1624264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 1625264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 16261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 162872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 162972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1630f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 16315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16336b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 1634264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType(ResultTy, Canonical, Info); 16355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 163672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 16375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 16385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 16415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 164261710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerQualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray, 1643971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 1644465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned TypeQuals, bool hasExceptionSpec, 1645465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec, unsigned NumExs, 1646264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const QualType *ExArray, 1647264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 1648264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv= Info.getCC(); 16495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 16505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 16515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 165272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, isVariadic, 1653465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 1654264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola NumExs, ExArray, Info); 16555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 16571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 165872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 16595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 1660465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1661465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 166254e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonical = !hasExceptionSpec && ResultTy.isCanonical(); 16635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 166454e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 16655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 16665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 1668465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 16695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 167004a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 16715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> CanonicalArgs; 16725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 16735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 167454e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 1675465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1676f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 1677beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 167847259d9ca7840dd66f06f5f11da7768b23d1e0fdDouglas Gregor isVariadic, TypeQuals, false, 1679264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, 0, 0, 1680264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 1681465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 16825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 168372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 168472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1685f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 16865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1687465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 168872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // FunctionProtoType objects are allocated with extra bytes after them 1689465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // for two variable size arrays (for parameter and exception types) at the 1690465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // end of them. 16911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionProtoType *FTP = 1692465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl (FunctionProtoType*)Allocate(sizeof(FunctionProtoType) + 1693465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl NumArgs*sizeof(QualType) + 16946b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumExs*sizeof(QualType), TypeAlignment); 169572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, isVariadic, 1696465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 1697264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExArray, NumExs, Canonical, Info); 16985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 169972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 17005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 17015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17033cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 17043cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 17053cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 17063cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 17073cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 17083cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 17093cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 17103cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 17113cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 17123cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 17133cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 17143cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 17153cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 17163cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 17173cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 17183cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 17193cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST) { 17203cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 17213cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 17223cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 172337ffed3b7f229844cae2463ff82b527506c86c74Argyrios Kyrtzidis } else if (CXXRecordDecl *PrevDecl = Decl->getPreviousDeclaration()) { 17243cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 17253cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 17263cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 17273cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 172831f17ecbef57b5679c017c375db330546b7b5145John McCall Decl->TypeForDecl = 172931f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 17303cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Types.push_back(Decl->TypeForDecl); 17313cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 17323cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 17333cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 17343cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 17352ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 17362ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 1737becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCallQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) { 17381e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 1739becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 17401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 174119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(Decl)) 17422ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 1743becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 1744becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 1745becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 1746becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 174719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 1748becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 1749becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 1750becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 1751400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getRecordType(Record); 175219c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 1753becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 1754becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 1755400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getEnumType(Enum); 175619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 1757ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 1758ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Decl->TypeForDecl = new (*this, TypeAlignment) UnresolvedUsingType(Using); 17599fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 1760becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 176149aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 1762becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Types.push_back(Decl->TypeForDecl); 176349aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 17642ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 17652ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 17665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 17675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified typename decl. 17689763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 17699763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getTypedefType(const TypedefDecl *Decl, QualType Canonical) { 17705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 17711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17729763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (Canonical.isNull()) 17739763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canonical = getCanonicalType(Decl->getUnderlyingType()); 17746b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Decl->TypeForDecl = new(*this, TypeAlignment) 17756b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 17765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(Decl->TypeForDecl); 17775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(Decl->TypeForDecl, 0); 17785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1780400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios KyrtzidisQualType ASTContext::getRecordType(const RecordDecl *Decl) { 1781400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 1782400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1783400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const RecordDecl *PrevDecl = Decl->getPreviousDeclaration()) 1784400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 1785400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 1786400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1787400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Decl->TypeForDecl = new (*this, TypeAlignment) RecordType(Decl); 1788400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Types.push_back(Decl->TypeForDecl); 1789400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 1790400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 1791400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1792400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios KyrtzidisQualType ASTContext::getEnumType(const EnumDecl *Decl) { 1793400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 1794400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1795400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const EnumDecl *PrevDecl = Decl->getPreviousDeclaration()) 1796400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 1797400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 1798400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1799400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Decl->TypeForDecl = new (*this, TypeAlignment) EnumType(Decl); 1800400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Types.push_back(Decl->TypeForDecl); 1801400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 1802400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 1803400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 180449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 180549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 180649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 180749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 1808467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 180949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 181049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 181149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 181249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 181349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 181449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 181549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 181649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 181749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 181849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 181949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 182049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 182149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 182249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 182349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 182449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 182549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 182649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 1827fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 18281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 182976e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 18301eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 183176e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 1832efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name) { 1833fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 1834efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, Name); 1835fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 18361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 1837fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1838fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1839fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 1840fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 18411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1842efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor if (Name) { 184376e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 1844efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TypeParm = new (*this, TypeAlignment) 1845efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType(Depth, Index, ParameterPack, Name, Canon); 1846789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1847789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 1848789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1849789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 1850789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 185176e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 18526b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 18536b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 1854fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1855fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 1856fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 1857fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1858fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 1859fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 1860fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 18613cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 18623cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 18633cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 18643cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 18653cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType CanonType) { 18663cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST = getTemplateSpecializationType(Name, Args, CanonType); 18673cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 18683cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 18693cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 18703cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 18713cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 18723cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 18733cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 18743cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 18753cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 18763cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 18773cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 18783cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 18791eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 18807532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 1881d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 188271d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall QualType Canon) { 1883d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 1884d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 1885833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall llvm::SmallVector<TemplateArgument, 4> ArgVec; 1886833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 1887833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 1888833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 1889833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 189031f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 189171d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Canon); 1892833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 1893833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 1894833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 1895833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 18967532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 18977532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 189871d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall QualType Canon) { 1899b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (!Canon.isNull()) 1900b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = getCanonicalType(Canon); 19019763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis else 19029763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canon = getCanonicalTemplateSpecializationType(Template, Args, NumArgs); 1903fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 19041275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 19051275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 19061275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 19071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 190840808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor sizeof(TemplateArgument) * NumArgs), 19096b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 19101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 1911ef99001908e799c388f1363b1e607dad5f5b57d3John McCall = new (Mem) TemplateSpecializationType(Template, 191231f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 1913828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor Canon); 19141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 191555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 19161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 191755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 191855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 19191eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 19209763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getCanonicalTemplateSpecializationType(TemplateName Template, 19219763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis const TemplateArgument *Args, 19229763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis unsigned NumArgs) { 19239763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Build the canonical template specialization type. 19249763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateName CanonTemplate = getCanonicalTemplateName(Template); 19259763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::SmallVector<TemplateArgument, 4> CanonArgs; 19269763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.reserve(NumArgs); 19279763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis for (unsigned I = 0; I != NumArgs; ++I) 19289763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 19299763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 19309763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Determine whether this canonical template specialization type already 19319763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // exists. 19329763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::FoldingSetNodeID ID; 19339763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType::Profile(ID, CanonTemplate, 19349763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, *this); 19359763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 19369763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *InsertPos = 0; 19379763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType *Spec 19389763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 19399763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 19409763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (!Spec) { 19419763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Allocate a new canonical template specialization type. 19429763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *Mem = Allocate((sizeof(TemplateSpecializationType) + 19439763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis sizeof(TemplateArgument) * NumArgs), 19449763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TypeAlignment); 19459763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Spec = new (Mem) TemplateSpecializationType(CanonTemplate, 19469763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, 19479763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis QualType()); 19489763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Types.push_back(Spec); 19499763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 19509763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis } 19519763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 19529763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis assert(Spec->isDependentType() && 19539763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis "Non-dependent template-id type must have a canonical type"); 19549763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis return QualType(Spec, 0); 19559763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis} 19569763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 19579763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 1958465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 1959465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 1960465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType) { 1961e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 1962465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 1963e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1964e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 1965465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 1966e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 1967e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 1968e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 1969789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 1970789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 1971789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 1972465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 1973465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 1974789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 1975789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 1976789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1977465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 1978e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 1979465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 1980e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 1981e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 1982e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 19834a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 19844a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 19854a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 19864a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor QualType Canon) { 1987d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 1988d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1989d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 1990d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 19914a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 19924a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 19934a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 19944a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 19954a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 19964a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 1997d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 1998d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 1999d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 20004a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 2001d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2002d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 20034714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 20044714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 2005d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 2006d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 2007d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 20084a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 2009d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 20104714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 20111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 2012d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2013d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 20141eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 201533500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 201633500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 20174a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 201833500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 201933500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgumentListInfo &Args) { 202033500955d731c73717af52088b7fc0e7a85681e7John McCall // TODO: avoid this copy 202133500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> ArgCopy; 202233500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0, E = Args.size(); I != E; ++I) 202333500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.push_back(Args[I].getArgument()); 202433500955d731c73717af52088b7fc0e7a85681e7John McCall return getDependentTemplateSpecializationType(Keyword, NNS, Name, 202533500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.size(), 202633500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.data()); 202733500955d731c73717af52088b7fc0e7a85681e7John McCall} 202833500955d731c73717af52088b7fc0e7a85681e7John McCall 202933500955d731c73717af52088b7fc0e7a85681e7John McCallQualType 203033500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 203133500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 203233500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 203333500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 203433500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 203533500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args) { 20361734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 20371734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2038789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 203933500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType::Profile(ID, *this, Keyword, NNS, 204033500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args); 2041789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2042789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 204333500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType *T 204433500955d731c73717af52088b7fc0e7a85681e7John McCall = DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 2045789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 2046789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 2047789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 204833500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 204933500955d731c73717af52088b7fc0e7a85681e7John McCall 205033500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword CanonKeyword = Keyword; 205133500955d731c73717af52088b7fc0e7a85681e7John McCall if (Keyword == ETK_None) CanonKeyword = ETK_Typename; 20521734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 205333500955d731c73717af52088b7fc0e7a85681e7John McCall bool AnyNonCanonArgs = false; 205433500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> CanonArgs(NumArgs); 205533500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0; I != NumArgs; ++I) { 205633500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs[I] = getCanonicalTemplateArgument(Args[I]); 205733500955d731c73717af52088b7fc0e7a85681e7John McCall if (!CanonArgs[I].structurallyEquals(Args[I])) 205833500955d731c73717af52088b7fc0e7a85681e7John McCall AnyNonCanonArgs = true; 2059789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 20601734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 206133500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon; 206233500955d731c73717af52088b7fc0e7a85681e7John McCall if (AnyNonCanonArgs || CanonNNS != NNS || CanonKeyword != Keyword) { 206333500955d731c73717af52088b7fc0e7a85681e7John McCall Canon = getDependentTemplateSpecializationType(CanonKeyword, CanonNNS, 206433500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, 206533500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs.data()); 206633500955d731c73717af52088b7fc0e7a85681e7John McCall 206733500955d731c73717af52088b7fc0e7a85681e7John McCall // Find the insert position again. 206833500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 206933500955d731c73717af52088b7fc0e7a85681e7John McCall } 207033500955d731c73717af52088b7fc0e7a85681e7John McCall 207133500955d731c73717af52088b7fc0e7a85681e7John McCall void *Mem = Allocate((sizeof(DependentTemplateSpecializationType) + 207233500955d731c73717af52088b7fc0e7a85681e7John McCall sizeof(TemplateArgument) * NumArgs), 207333500955d731c73717af52088b7fc0e7a85681e7John McCall TypeAlignment); 2074ef99001908e799c388f1363b1e607dad5f5b57d3John McCall T = new (Mem) DependentTemplateSpecializationType(Keyword, NNS, 207533500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args, Canon); 20761734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 207733500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.InsertNode(T, InsertPos); 20781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 20791734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 20801734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 208188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 208288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 208388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 208488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 20852e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 208688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 208788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2088c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 208954e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 209054e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 209154e14c4db764c0636160d26c5bbf491637c83a76John McCall 209254e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 209354e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 209454e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 209554e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 209654e14c4db764c0636160d26c5bbf491637c83a76John McCall} 209754e14c4db764c0636160d26c5bbf491637c83a76John McCall 209854e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 209988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 210088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 21011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 210288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 210388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 210488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 210588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 210688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 210788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 210888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 210988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2110c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2111c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 2112c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) { 2113c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2114c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2115c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2116c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2117d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2118c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2119c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2120c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2121d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2122c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2123c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2124d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2125c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2126c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 212754e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2128c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2129c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2130c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 21310237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 21320237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 213354e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 213454e14c4db764c0636160d26c5bbf491637c83a76John McCall 213554e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2136c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2137c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 213854e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2139c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2140c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 214154e14c4db764c0636160d26c5bbf491637c83a76John McCall } 214254e14c4db764c0636160d26c5bbf491637c83a76John McCall 214354e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2144c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 214554e14c4db764c0636160d26c5bbf491637c83a76John McCall } 214654e14c4db764c0636160d26c5bbf491637c83a76John McCall 2147c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2148c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2149fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2150c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2151c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 21521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2153c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2154c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2155c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2156d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 215788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2158c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2159c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 2160c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) { 21614b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2162c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 21631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21644b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2165c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2166c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 21674b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 21681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2169c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 217054e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2171c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2172c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 217354e14c4db764c0636160d26c5bbf491637c83a76John McCall 2174c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2175c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 217654e14c4db764c0636160d26c5bbf491637c83a76John McCall } 217754e14c4db764c0636160d26c5bbf491637c83a76John McCall 2178c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2179c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2180c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2181c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 218224fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 218324fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2184c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 218524fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 218624fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 218724fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2188deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// getObjCInterfaceType - Return the unique reference to the type for the 2189deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// specified ObjC interface decl. The list of protocols is optional. 2190deacbdca554298ccdf636f19c6094a8825ec6b34Douglas GregorQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) { 2191deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor if (Decl->TypeForDecl) 2192deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(Decl->TypeForDecl, 0); 219374c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl 2194deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor // FIXME: redeclarations? 2195deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2196deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2197deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Decl->TypeForDecl = T; 2198deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Types.push_back(T); 2199deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(T, 0); 2200c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2201c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 220272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 220372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 22049752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 22051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 22069752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 220772564e73277e29f6db3305d1f27ba408abb7ed88Douglas GregorQualType ASTContext::getTypeOfExprType(Expr *tofExpr) { 2208dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2209b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2210b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2211b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 22121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2213b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2214b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2215b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2216b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2217b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2218b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 22196b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2220b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 2221b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2222b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor else { 2223b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 22246b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 22256b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2226b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2227b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2228b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2229b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2230dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 22316b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2232dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 22339752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 22349752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2235d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2236d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 22379752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 22389752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 22399752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 22401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 22419752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 2242d1861fd633d5096a00777c918eb8575ea7162fe7Steve NaroffQualType ASTContext::getTypeOfType(QualType tofType) { 2243f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 22446b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 22459752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 22469752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2247d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2248d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 224960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 225060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 225160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlssonstatic QualType getDecltypeForExpr(const Expr *e, ASTContext &Context) { 2252a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2253a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 22541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 225560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 225660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 225760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 225860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 225960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 226060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 226160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 226260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 226360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 226460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 226560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 226660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 226760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 226860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 226960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 22701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 227160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 22721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 227460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 227560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (e->isLvalue(Context) == Expr::LV_Valid) 227660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 22771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 227860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 227960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 228060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2281395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2282395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2283395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 22841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2285395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 2286395b475a4474f1c7574d927ad142ca0c7997cbcaAnders CarlssonQualType ASTContext::getDecltypeType(Expr *e) { 2287dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 22889d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (e->isTypeDependent()) { 22899d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 22909d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 22911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22929d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 22939d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 22949d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 22959d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 22969d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 22979d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 22986b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 22999d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 23009d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 23019d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor else { 23029d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 23036b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 23049d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 23059d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 23069d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 23079d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2308dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 23096b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2310dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2311395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2312395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2313395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2314395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 23155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 23165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 2317e607ed068334bacb8d7b093996b4671c6ca79e25Mike StumpQualType ASTContext::getTagDeclType(const TagDecl *Decl) { 2318d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2319e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2320e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2321e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 23225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 23235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 23241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 23251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 23261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 2327a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 2328b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 23295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 23305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 233164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 233264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 233364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 233464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 233564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 233664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 233764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 233864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 233964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 234064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 234164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 234264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 234364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 234464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 23458b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 23468b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 23478b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 2348b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 23498b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 23508b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 2351e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2352e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 2353e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2354e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 235554e14c4db764c0636160d26c5bbf491637c83a76John McCallCanQualType ASTContext::getCanonicalParamType(QualType T) { 235654e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 235754e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 235854e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 235954e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 236054e14c4db764c0636160d26c5bbf491637c83a76John McCall 236154e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 236254e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 236354e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 236454e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 236554e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 236654e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 236754e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 236854e14c4db764c0636160d26c5bbf491637c83a76John McCall } 236954e14c4db764c0636160d26c5bbf491637c83a76John McCall 237054e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 237154e14c4db764c0636160d26c5bbf491637c83a76John McCall} 237254e14c4db764c0636160d26c5bbf491637c83a76John McCall 237377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// getCanonicalType - Return the canonical (structural) type corresponding to 237477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// the specified potentially non-canonical type. The non-canonical version 237577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// of a type may have many "decorated" versions of types. Decorators can 237677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 237777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// to be free of any of these, allowing two canonical types to be compared 237877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// for exact equality with a simple pointer comparison. 237950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas GregorCanQualType ASTContext::getCanonicalType(QualType T) { 23800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 23810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ptr = Quals.strip(T); 23820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanType = Ptr->getCanonicalTypeInternal(); 23830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 23840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // The canonical internal type will be the canonical type *except* 23850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // that we push type qualifiers down through array types. 23861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If there are no new qualifiers to push down, stop here. 23880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Quals.hasQualifiers()) 238950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(CanType); 2390c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 23910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the type qualifiers are on an array type, get the canonical 23920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type of the array with the qualifiers applied to the element 23930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type. 2394c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner ArrayType *AT = dyn_cast<ArrayType>(CanType); 2395c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (!AT) 23960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return CanQualType::CreateUnsafe(getQualifiedType(CanType, Quals)); 23971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2398c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2399c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 24000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(AT->getElementType(), Quals); 2401c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner NewEltTy = getCanonicalType(NewEltTy); 24021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2403c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 240450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 240550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getConstantArrayType(NewEltTy, CAT->getSize(), 240650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor CAT->getSizeModifier(), 24070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2408c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) 240950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 241050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getIncompleteArrayType(NewEltTy, IAT->getSizeModifier(), 24110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 24121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2413898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor if (DependentSizedArrayType *DSAT = dyn_cast<DependentSizedArrayType>(AT)) 241450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 241550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getDependentSizedArrayType(NewEltTy, 2416bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2417bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 241850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor DSAT->getSizeModifier(), 24190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 242087a924e37dc40c6e3e2b33d1dbd646aeccf4c15bDouglas Gregor DSAT->getBracketsRange())->getCanonicalTypeInternal()); 2421898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2422c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VariableArrayType *VAT = cast<VariableArrayType>(AT); 242350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(getVariableArrayType(NewEltTy, 2424bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 2425bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr()->Retain() : 0, 242650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getSizeModifier(), 24270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 242850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getBracketsRange())); 2429c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 2430c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 243128e318cc6008c2bc008f0caee70dc736a03d6289Chandler CarruthQualType ASTContext::getUnqualifiedArrayType(QualType T, 243228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth Qualifiers &Quals) { 24335535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth Quals = T.getQualifiers(); 24349dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const ArrayType *AT = getAsArrayType(T); 24359dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 24365535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth return T.getUnqualifiedType(); 243728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 243828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 243928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth QualType Elt = AT->getElementType(); 2440c1ae0a8b0022a9fbb50d3413139f36ec5d8a63beZhongxing Xu QualType UnqualElt = getUnqualifiedArrayType(Elt, Quals); 244128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth if (Elt == UnqualElt) 244228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return T; 244328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 24449dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 244528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getConstantArrayType(UnqualElt, CAT->getSize(), 244628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 244728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 244828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 24499dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 245028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getIncompleteArrayType(UnqualElt, IAT->getSizeModifier(), 0); 245128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 245228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 24539dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 24549dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor return getVariableArrayType(UnqualElt, 24559dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeExpr() ? 24569dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeExpr()->Retain() : 0, 24579dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 24589dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 24599dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 24609dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 24619dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 24629dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 246328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getDependentSizedArrayType(UnqualElt, DSAT->getSizeExpr()->Retain(), 246428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 246528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 246628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 246728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 24685a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// UnwrapSimilarPointerTypes - If T1 and T2 are pointer types that 24695a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// may be similar (C++ 4.4), replaces T1 and T2 with the type that 24705a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// they point to and return true. If T1 and T2 aren't pointer types 24715a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// or pointer-to-member types, or if they are not similar at this 24725a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// level, returns false and leaves T1 and T2 unchanged. Top-level 24735a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// qualifiers on T1 and T2 are ignored. This function will typically 24745a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// be called in a loop that successively "unwraps" pointer and 24755a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// pointer-to-member types to compare them at each level. 24765a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregorbool ASTContext::UnwrapSimilarPointerTypes(QualType &T1, QualType &T2) { 24775a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const PointerType *T1PtrType = T1->getAs<PointerType>(), 24785a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2PtrType = T2->getAs<PointerType>(); 24795a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1PtrType && T2PtrType) { 24805a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1PtrType->getPointeeType(); 24815a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2PtrType->getPointeeType(); 24825a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 24835a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 24845a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 24855a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const MemberPointerType *T1MPType = T1->getAs<MemberPointerType>(), 24865a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2MPType = T2->getAs<MemberPointerType>(); 24875a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1MPType && T2MPType && 24885a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor hasSameUnqualifiedType(QualType(T1MPType->getClass(), 0), 24895a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor QualType(T2MPType->getClass(), 0))) { 24905a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1MPType->getPointeeType(); 24915a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2MPType->getPointeeType(); 24925a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 24935a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 24945a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 24955a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (getLangOptions().ObjC1) { 24965a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const ObjCObjectPointerType *T1OPType = T1->getAs<ObjCObjectPointerType>(), 24975a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2OPType = T2->getAs<ObjCObjectPointerType>(); 24985a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1OPType && T2OPType) { 24995a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1OPType->getPointeeType(); 25005a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2OPType->getPointeeType(); 25015a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 25025a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 25035a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 25045a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 25055a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor // FIXME: Block pointers, too? 25065a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 25075a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return false; 25085a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor} 25095a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 25102577743c5650c646fb705df01403707e94f2df04Abramo BagnaraDeclarationNameInfo ASTContext::getNameForTemplate(TemplateName Name, 25112577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation NameLoc) { 251280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (TemplateDecl *TD = Name.getAsTemplateDecl()) 25132577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 25142577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(TD->getDeclName(), NameLoc); 25152577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 251680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DependentTemplateName *DTN = Name.getAsDependentTemplateName()) { 25172577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName DName; 251880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 25192577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getIdentifier(DTN->getIdentifier()); 25202577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc); 252180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 25222577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getCXXOperatorName(DTN->getOperator()); 25232577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: FIXME: source locations? 25242577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc DNLoc; 25252577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.BeginOpNameLoc = SourceLocation().getRawEncoding(); 25262577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.EndOpNameLoc = SourceLocation().getRawEncoding(); 25272577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc, DNLoc); 252880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 252980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 253080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 25310bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 25320bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(Storage); 25332577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 25342577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo((*Storage->begin())->getDeclName(), NameLoc); 253580ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 253680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 253725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas GregorTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) { 25383e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateDecl *Template = Name.getAsTemplateDecl()) { 25393e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTemplateParmDecl *TTP 25403e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = dyn_cast<TemplateTemplateParmDecl>(Template)) 25413e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Template = getCanonicalTemplateTemplateParmDecl(TTP); 25423e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 25433e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // The canonical template name is the canonical template declaration. 254497fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 25453e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 254625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 25470bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(!Name.getAsOverloadedTemplate()); 25481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 254925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 255025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor assert(DTN && "Non-dependent template names must refer to template decls."); 255125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor return DTN->CanonicalTemplateName; 255225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 255325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 2554db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 2555db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 2556db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 2557db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 2558db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 2559db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 25601eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 25611275ae098acda31fe0e434510c729fcfed0458a1Douglas GregorASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) { 25621275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 25631275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 25641275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 25651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25661275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 25671275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 25681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25691275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 2570833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 25711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2572788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 2573788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 2574788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor 25751275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 2576833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 25771275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 25781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25791275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 2580833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 25811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25821275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 25831275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // FIXME: Allocate in ASTContext 25841275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument *CanonArgs = new TemplateArgument[Arg.pack_size()]; 25851275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 25861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 25871275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 25881275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 25891275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 25901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25911275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument Result; 25921275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor Result.setArgumentPack(CanonArgs, Arg.pack_size(), false); 25931275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Result; 25941275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 25951275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 25961275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 25971275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 25981275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 25991275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 26001275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 26011275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 2602d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 2603d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) { 26041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 2605d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2606d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2607d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 2608d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 2609d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 26101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 2611d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 2612d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 2613d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2614d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 2615d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 2616d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 2617d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NestedNameSpecifier::Create(*this, 0, NNS->getAsNamespace()); 2618d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2619d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 2620d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 2621d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 26221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 0, 26231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NNS->getKind() == NestedNameSpecifier::TypeSpecWithTemplate, 2624d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor T.getTypePtr()); 2625d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2626d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2627d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 2628d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 2629d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 2630d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2631d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2632d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 2633d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2634d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2635d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2636c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2637c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerconst ArrayType *ASTContext::getAsArrayType(QualType T) { 2638c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 2639a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 2640c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 2641c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 2642c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 2643c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 26441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 2646c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType CType = T->getCanonicalTypeInternal(); 26470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<ArrayType>(CType)) 2648c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 26491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 2651c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 2652c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 26531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2654c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 2655c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 265650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 26570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 26580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 26590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ty = Qs.strip(T.getDesugaredType()); 26601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2661c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 2662c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *ATy = dyn_cast<ArrayType>(Ty); 26630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ATy == 0 || Qs.empty()) 2664c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 26651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2666c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 2667c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 2668c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2669c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 26700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), Qs); 26711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2672c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 2673c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 2674c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 26750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2676c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 2677c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 2678c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 26790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 2680898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 26811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 2682898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 2683898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 26841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 2685bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2686bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 2687898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 26880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 26897e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 26901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2691c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 26927e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 2693bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 26940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getSizeExpr()->Retain() : 0, 2695c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 26960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 26977e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 269877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 269977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 270077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 2701e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 2702e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 2703e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 2704e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 2705e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 2706e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 2707e6327747b72bb687c948270f702ff53c30f411a6Chris LattnerQualType ASTContext::getArrayDecayedType(QualType Ty) { 2708c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 2709c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 2710c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 2711c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 2712c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 2713c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 27141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2715c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 2716e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 2717e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 27180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 2719e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 2720e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 27215e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas GregorQualType ASTContext::getBaseElementType(QualType QT) { 27220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 27230237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer while (const ArrayType *AT = getAsArrayType(QualType(Qs.strip(QT), 0))) 27240237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer QT = AT->getElementType(); 27250237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer return Qs.apply(QT); 27265e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 27275e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 2728fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders CarlssonQualType ASTContext::getBaseElementType(const ArrayType *AT) { 2729fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson QualType ElemTy = AT->getElementType(); 27301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2731fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson if (const ArrayType *AT = getAsArrayType(ElemTy)) 2732fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson return getBaseElementType(AT); 27331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27346183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson return ElemTy; 27356183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 27366183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 27370de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 27381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 27390de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 27400de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 27410de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 27420de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 27430de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 27440de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 27450de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 27460de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 27470de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 27485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 27495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 2750a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 2751183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 27525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 2753a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 2754183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 2755183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 2756a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 27575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 27585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 27595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 27605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 27615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 27625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 27631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 27641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 2765716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 2766716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 27671361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 27681361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 27691361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 27701361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 27711361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 2772716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 2773f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 2774f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 2775f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 2776f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 2777f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 27781361b11066239ea15764a2a844405352d87296b3Chris Lattner 27791361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 27801361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 27811361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 27821361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 27831361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 27841361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 27855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 27865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 27875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 27887cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 27897cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 27907cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 27911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 2792a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) { 2793a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 2794a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 27951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2796a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 2797fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 2798a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 2799fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 2800fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 28015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 28025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2803f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 2804f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 2805f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 2806f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanunsigned ASTContext::getIntegerRank(Type *T) { 2807467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 2808f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman if (EnumType* ET = dyn_cast<EnumType>(T)) 2809842aef8d942a880eeb9535d40de31a86838264cbJohn McCall T = ET->getDecl()->getPromotionType().getTypePtr(); 2810f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 2811a34267595534a72703290153a6f7e3da1adcec59Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::WChar)) 2812a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 2813a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 2814f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 2815f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 2816f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2817f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 2818f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 2819f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2820f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 28217cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 28227cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 2823f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 28247cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 28257cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 28267cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 28277cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 2828f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 28297cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 28307cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 2831f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 28327cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 28337cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 2834f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 28357cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 28367cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 2837f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 28387cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 28397cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 2840f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 28412df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 28422df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 28432df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 2844f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 2845f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 2846f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 284704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 284804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 284904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 285004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 285104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 285204e8357f6801e9ff52673e7e899a67bbabf9de93Eli FriedmanQualType ASTContext::isPromotableBitField(Expr *E) { 2853ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor if (E->isTypeDependent() || E->isValueDependent()) 2854ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor return QualType(); 2855ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor 285604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 285704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 285804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 285904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 286004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 286104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 286204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 286304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 286404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 286504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 286604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 286704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 286804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 286904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 287004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 287104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 287204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 287304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 287404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 287504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 287604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 287704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 287804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 287904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 288004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 2881a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 2882a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 2883a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 2884a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType ASTContext::getPromotedIntegerType(QualType Promotable) { 2885a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 2886a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 2887842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 2888842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 2889a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 2890a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 2891a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 2892a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 2893a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 2894a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 2895a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 2896a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 28971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 28987cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 28991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 29007cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattnerint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) { 2901f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *LHSC = getCanonicalType(LHS).getTypePtr(); 2902f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *RHSC = getCanonicalType(RHS).getTypePtr(); 29037cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 29041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2905f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 2906f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 29071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29087cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 29097cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 29101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29117cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 29127cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 29137cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 29147cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 29151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29167cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 29177cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 29187cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 29197cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 29207cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 29211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29227cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 29237cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 29241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 29257cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 29267cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 29277cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 29287cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 29297cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 29307cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 29311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29327cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 29337cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 29341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 29357cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 29365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 293771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 293879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 293979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders CarlssonCreateRecordDecl(ASTContext &Ctx, RecordDecl::TagKind TK, DeclContext *DC, 294079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson SourceLocation L, IdentifierInfo *Id) { 294179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 294279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return CXXRecordDecl::Create(Ctx, TK, DC, L, Id); 294379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 294479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return RecordDecl::Create(Ctx, TK, DC, L, Id); 294579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 294679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 29471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 294871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders CarlssonQualType ASTContext::getCFConstantStringType() { 294971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 29501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 2951465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 295279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 29535cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 295479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 2955f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 29561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 295771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 29580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 2959f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 2960f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 296171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 29620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 296371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 29641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 29651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 296644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 296744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 29681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 296944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 2970a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 29711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 29724afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 29732888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 297417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 297544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 297644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 2977838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 297871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 29791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 298071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 29818467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 2982b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 2983319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 29846217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 2985319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 2986319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 2987319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 2988319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 29892bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian// getNSConstantStringType - Return the type used for constant NSStrings. 29902bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz JahanianQualType ASTContext::getNSConstantStringType() { 29912bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian if (!NSConstantStringTypeDecl) { 29922bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = 2993465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 29942bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian &Idents.get("__builtin_NSString")); 29952bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->startDefinition(); 29962bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 29972bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType FieldTypes[3]; 29982bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 29992bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const int *isa; 30002bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[0] = getPointerType(IntTy.withConst()); 30012bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const char *str; 30022bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[1] = getPointerType(CharTy.withConst()); 30032bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // unsigned int length; 30042bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[2] = UnsignedIntTy; 30052bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 30062bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // Create fields 30072bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian for (unsigned i = 0; i < 3; ++i) { 30082bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldDecl *Field = FieldDecl::Create(*this, NSConstantStringTypeDecl, 30092bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian SourceLocation(), 0, 30102bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[i], /*TInfo=*/0, 30112bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*BitWidth=*/0, 30122bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*Mutable=*/false); 30132888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 30142bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->addDecl(Field); 30152bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 30162bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 30172bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->completeDefinition(); 30182bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 30192bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 30202bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return getTagDeclType(NSConstantStringTypeDecl); 30212bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 30222bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 30232bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanianvoid ASTContext::setNSConstantStringType(QualType T) { 30242bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian const RecordType *Rec = T->getAs<RecordType>(); 30252bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian assert(Rec && "Invalid NSConstantStringType"); 30262bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = Rec->getDecl(); 30272bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 30282bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 30291eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getObjCFastEnumerationStateType() { 3030bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 303144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 3032465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 303379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__objcFastEnumerationState")); 30345cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall ObjCFastEnumerationStateTypeDecl->startDefinition(); 30351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3036bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 3037bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 3038de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff getPointerType(ObjCIdTypedefType), 3039bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 3040bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 3041bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 3042bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 30431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 304444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 30451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, 30461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCFastEnumerationStateTypeDecl, 30471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 3048a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 30491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 30504afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 30512888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 305217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ObjCFastEnumerationStateTypeDecl->addDecl(Field); 305344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 305438c9ab880b843a128f8d895d3e2e24877e178788Fariborz Jahanian if (getLangOptions().CPlusPlus) 305581148e9c24687564b3dd13bcb5e5e9f5100c0c95Fariborz Jahanian if (CXXRecordDecl *CXXRD = 305681148e9c24687564b3dd13bcb5e5e9f5100c0c95Fariborz Jahanian dyn_cast<CXXRecordDecl>(ObjCFastEnumerationStateTypeDecl)) 305738c9ab880b843a128f8d895d3e2e24877e178788Fariborz Jahanian CXXRD->setEmpty(false); 30581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3059838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(); 3060bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 30611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3062bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 3063bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 3064bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 3065adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike StumpQualType ASTContext::getBlockDescriptorType() { 3066adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 3067adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3068adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3069adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3070adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 3071465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 307279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 30735cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3074adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3075adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3076adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3077adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3078adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3079adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3080adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3081adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 3082083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 3083adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3084adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3085adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 3086adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump FieldDecl *Field = FieldDecl::Create(*this, 3087adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T, 3088adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 3089adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3090a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3091adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 3092adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*Mutable=*/false); 30932888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3094adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3095adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3096adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3097838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3098adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3099adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 3100adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3101adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3102adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3103adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3104adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stumpvoid ASTContext::setBlockDescriptorType(QualType T) { 3105adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3106adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3107adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = Rec->getDecl(); 3108adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3109adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3110083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike StumpQualType ASTContext::getBlockDescriptorExtendedType() { 3111083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 3112083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3113083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3114083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 3115083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 3116465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 311779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 31185cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3119083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3120083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 3121083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3122083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3123083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 3124083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 3125083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3126083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3127083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 3128083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 3129083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 3130083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 3131083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 3132083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3133083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3134083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 3135083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump FieldDecl *Field = FieldDecl::Create(*this, 3136083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T, 3137083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 3138083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 3139a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3140083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 3141083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*Mutable=*/false); 31422888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3143083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 3144083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 3145083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3146838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3147083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3148083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 3149083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3150083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3151083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3152083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3153083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stumpvoid ASTContext::setBlockDescriptorExtendedType(QualType T) { 3154083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3155083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3156083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = Rec->getDecl(); 3157083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3158083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3159af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stumpbool ASTContext::BlockRequiresCopying(QualType Ty) { 3160af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isBlockPointerType()) 3161af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3162af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (isObjCNSObjectType(Ty)) 3163af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3164af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isObjCObjectPointerType()) 3165af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3166af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3167af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3168af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 31694087f27e5416c799bcb6be072f905be752acb61cDaniel DunbarQualType ASTContext::BuildByRefType(llvm::StringRef DeclName, QualType Ty) { 3170af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3171ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3172af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3173ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3174ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 3175a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__copy_helper; // as needed 3176a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__destroy_help // as needed 3177af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3178ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3179ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3180af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3181af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3182af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 3183f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3184f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3185f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3186af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3187465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 318879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 3189af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3190af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3191af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3192af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3193af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3194af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3195af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3196af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3197af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3198af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3199af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3200af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3201af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 32024087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef FieldNames[] = { 3203af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3204af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3205af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3206af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3207af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3208af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3209af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3210af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3211af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3212af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3213af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3214af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3215af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3216af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3217a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3218af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /*BitWidth=*/0, /*Mutable=*/false); 32192888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3220af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3221af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3222af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3223838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3224af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3225af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3226ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3227ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3228ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3229ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike StumpQualType ASTContext::getBlockParmType( 3230083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump bool BlockHasCopyDispose, 3231ea1471e0e967548c596a71469702f8846dbaf3c0John McCall llvm::SmallVectorImpl<const Expr *> &Layout) { 3232ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 3233adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Move up 3234f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3235f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__block_literal_" 3236f5942a44880be26878592eb052b737579349411eBenjamin Kramer << ++UniqueBlockParmTypeID; 3237adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3238465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 323979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 32405cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3241adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3242adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3243adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3244adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3245adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3246083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump (BlockHasCopyDispose ? 3247083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorExtendedType()) : 3248083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorType())) 3249adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3250adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3251adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3252adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__isa", 3253adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__flags", 3254adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__reserved", 3255adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__FuncPtr", 3256adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__descriptor" 3257adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3258adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3259adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 5; ++i) { 3260ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3261adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3262a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3263ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 32642888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3265ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump T->addDecl(Field); 3266ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3267ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3268ea1471e0e967548c596a71469702f8846dbaf3c0John McCall for (unsigned i = 0; i < Layout.size(); ++i) { 3269ea1471e0e967548c596a71469702f8846dbaf3c0John McCall const Expr *E = Layout[i]; 3270ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 3271ea1471e0e967548c596a71469702f8846dbaf3c0John McCall QualType FieldType = E->getType(); 3272ea1471e0e967548c596a71469702f8846dbaf3c0John McCall IdentifierInfo *FieldName = 0; 3273ea1471e0e967548c596a71469702f8846dbaf3c0John McCall if (isa<CXXThisExpr>(E)) { 3274ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName = &Idents.get("this"); 3275ea1471e0e967548c596a71469702f8846dbaf3c0John McCall } else if (const BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(E)) { 3276ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const ValueDecl *D = BDRE->getDecl(); 3277ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName = D->getIdentifier(); 3278ea1471e0e967548c596a71469702f8846dbaf3c0John McCall if (BDRE->isByRef()) 32794087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FieldType = BuildByRefType(D->getName(), FieldType); 3280ea1471e0e967548c596a71469702f8846dbaf3c0John McCall } else { 3281ea1471e0e967548c596a71469702f8846dbaf3c0John McCall // Padding. 3282ea1471e0e967548c596a71469702f8846dbaf3c0John McCall assert(isa<ConstantArrayType>(FieldType) && 3283ea1471e0e967548c596a71469702f8846dbaf3c0John McCall isa<DeclRefExpr>(E) && 3284ea1471e0e967548c596a71469702f8846dbaf3c0John McCall !cast<DeclRefExpr>(E)->getDecl()->getDeclName() && 3285ea1471e0e967548c596a71469702f8846dbaf3c0John McCall "doesn't match characteristics of padding decl"); 3286ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3287ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3288ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3289ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName, FieldType, /*TInfo=*/0, 3290ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 32912888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3292adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3293adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3294adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3295838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3296ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3297ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump return getPointerType(getTagDeclType(T)); 3298adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3299adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3300319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setObjCFastEnumerationStateType(QualType T) { 33016217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3302319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid ObjCFAstEnumerationStateType"); 3303319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCFastEnumerationStateTypeDecl = Rec->getDecl(); 3304319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3305319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 3306e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3307e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 33082d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3309e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3310bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3311bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 33121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 331385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 331485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 331585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3316a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 331733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 3318aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen DyckCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) { 3319199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 33201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 332133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 33222ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor if (sz.isPositive() && type->isIntegralOrEnumerationType()) 3323199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 332433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 332533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3326199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3327aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3328199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3329199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3330199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3331199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3332199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 333333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 333433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 33356f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian/// getObjCEncodingForBlockDecl - Return the encoded type for this block 33365e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 33375e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnallvoid ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr, 33385e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall std::string& S) { 33395e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 33405e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 33415e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 33425e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 3343c71a4915ca216847599d03cab4ed1c5086b0eb43John McCall getObjCEncodingForType(BlockTy->getAs<FunctionType>()->getResultType(), S); 33445e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 33455e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 33465e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 33475e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3348199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3349199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 33506f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 33515e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 33525e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3353aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3354199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 33555e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 33565e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 33575e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3358199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 33595e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 33605e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 33615e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 33625e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 33635e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 33645e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 33655e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 33665e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 33675e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 33685e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 33695e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 33705e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 33715e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 33725e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 33735e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 33745e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 33755e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 33765e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 33775e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 3378199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3379aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 33805e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 33815e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 33825e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 3383a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 338433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 33851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 3386e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3387c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3388ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 3389a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 339033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 33910d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 339233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 339333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 339433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 339533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 3396199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 339733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 339833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 3399199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 340089951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 34017732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 340289951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 3403aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3404199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 3405199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 340633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 340733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 3408199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 340933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 3410199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 34111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 341233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 341333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 341489951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 34157732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 341689951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 34171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 34184306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 3419ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 3420ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 3421ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 3422bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 3423ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3424ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 3425ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3426ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 342733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 34284306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 34290d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 3430199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3431aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 343233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 343333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 343433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 3435c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 343683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 3437c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 3438c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 34391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 34401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 34411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 34421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 34431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 344483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 344583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 344683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 344783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 344883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 344983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 345083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 345183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 345283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 345383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 345483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 345583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 345683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 345783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 345883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 345983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 34601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 3461c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 3462e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3463c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 3464c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 3465c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 3466c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3467c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 3468c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 34691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 3470c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 3471c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 347217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 3473653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3474c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3475c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3476c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3477c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3478c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3479c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3480c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3481c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3482c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3483c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 348461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 3485c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 348617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 3487653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3488c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3489c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3490c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3491c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3492c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3493c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3494c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3495c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 34961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3497c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3498c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3499c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3500c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3501c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 3502c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3503c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 3504090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 3505090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 35061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 3507090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 3508090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 3509c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3510c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 3511c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 3512c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3513c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 3514c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 3515c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 35161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 3517c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3518c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3519c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3520c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 3521c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 3522c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 3523c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 3524c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3525090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 3526090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 35271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3528c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 3529c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 3530077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 3531c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3532c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3533c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 3534c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 3535077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 3536c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3537c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3538c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 3539c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 3540c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 354139f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 3542c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3543c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3544c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 3545c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 3546c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3547a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 35481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 35491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 3550a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 3551a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 3552a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 35538e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 3554183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 3555c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::ULong && 3556c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3557a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 35581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 3559c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::Long && 3560c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3561a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 3562a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3563a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3564a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 3565a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 35667d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 3567153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field) { 356882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 356982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 357082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 357182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 35721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 35735b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 357482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 357582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 357664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnallstatic char ObjCEncodingForPrimitiveKind(const ASTContext *C, QualType T) { 357764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall switch (T->getAs<BuiltinType>()->getKind()) { 357864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall default: assert(0 && "Unhandled builtin type kind"); 357964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Void: return 'v'; 358064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Bool: return 'B'; 358164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_U: 358264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UChar: return 'C'; 358364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UShort: return 'S'; 358464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt: return 'I'; 358564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULong: 358664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return 358764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall (const_cast<ASTContext *>(C))->getIntWidth(T) == 32 ? 'L' : 'Q'; 358864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt128: return 'T'; 358964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULongLong: return 'Q'; 359064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_S: 359164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::SChar: return 'c'; 359264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Short: return 's'; 359324da7093a84e4eb92731e0565ab655697b2ed08fJohn McCall case BuiltinType::WChar: 359464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int: return 'i'; 359564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Long: 359664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return 359764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall (const_cast<ASTContext *>(C))->getIntWidth(T) == 32 ? 'l' : 'q'; 359864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongLong: return 'q'; 359964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int128: return 't'; 360064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Float: return 'f'; 360164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Double: return 'd'; 360264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongDouble: return 'd'; 360364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 360464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall} 360564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall 36061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic void EncodeBitField(const ASTContext *Context, std::string& S, 360764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall QualType T, const FieldDecl *FD) { 36088b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 36098b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 36108b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian ASTContext *Ctx = const_cast<ASTContext*>(Context); 36118b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 361264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The NeXT runtime encodes bit fields as b followed by the number of bits. 361364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The GNU runtime requires more information; bitfields are encoded as b, 361464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // then the offset (in bits) of the first element, then the type of the 361564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // bitfield, then the size in bits. For example, in this structure: 361664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // 361764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // struct 361864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // { 361964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int integer; 362064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int flags:2; 362164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // }; 362264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // On a 32-bit system, the encoding for flags would be b2 for the NeXT 362364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // runtime, but b32i2 for the GNU runtime. The reason for this extra 362464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // information is not especially sensible, but we're stuck with it for 362564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // compatibility with GCC, although providing it breaks anything that 362664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // actually uses runtime introspection and wants to work on both runtimes... 362764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (!Ctx->getLangOptions().NeXTRuntime) { 362864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const RecordDecl *RD = FD->getParent(); 362964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const ASTRecordLayout &RL = Ctx->getASTRecordLayout(RD); 363064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // FIXME: This same linear search is also used in ExprConstant - it might 363164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // be better if the FieldDecl stored its offset. We'd be increasing the 363264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // size of the object slightly, but saving some time every time it is used. 363364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned i = 0; 363464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall for (RecordDecl::field_iterator Field = RD->field_begin(), 363564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall FieldEnd = RD->field_end(); 363664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall Field != FieldEnd; (void)++Field, ++i) { 363764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (*Field == FD) 363864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall break; 363964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 364064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += llvm::utostr(RL.getFieldOffset(i)); 364164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(Context, T); 364264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 364364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 36448b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 36458b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 36468b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 364701eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 364882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 364982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 365082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 3651153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 3652090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 36536ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty) { 365464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (T->getAs<BuiltinType>()) { 3655ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 365664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return EncodeBitField(this, S, T, FD); 365764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(this, T); 3658ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3659ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 36601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3661183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 3662c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 36631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 3664c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 3665ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3666ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 366760bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 3668aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 3669aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 36706217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 36718d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 36728d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 36738d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 36748d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 3675aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 3676aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 3677aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 3678aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 3679aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 3680a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 3681a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 3682a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 3683a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 36841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 36858e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 3686a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 3687a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3688a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3689a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 36909fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 3691a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 36926217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 36936217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 3694a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 3695a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3696a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3697a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3698a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3699a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 3700a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 3701a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 3702a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 37030237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer if (llvm::StringRef(S).endswith("nr")) 37040237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 3705a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 37061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 370785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 370885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 370985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 3710e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 371185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 371285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 371385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 37146217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 37159533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 37169533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 37179533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 37189533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 37199533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 37209533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 37219533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 37229533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 37239533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 37249533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 37259533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 372685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 372785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 3728a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 3729a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 37301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 373143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 3732ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3733ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3734aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 3735ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 3736ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 3737ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 3738559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (isa<IncompleteArrayType>(AT)) { 3739559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 3740559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 3741559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 37421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3743559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3744559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 3745559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 37461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3747559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 3748559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += llvm::utostr(CAT->getSize().getZExtValue()); 3749559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson else { 3750559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 3751559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson assert(isa<VariableArrayType>(AT) && "Unknown array type!"); 3752559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 3753559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 37541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3756559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3757559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 3758559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 3759ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3760ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3762183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 3763c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 3764ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3765ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37676217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 376882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 3769d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 3770502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 3771502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 3772502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 37736fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 37746fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 37756fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 37766fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 37776fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 37786fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian TemplateArgs.getFlatArgumentList(), 37796fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian TemplateArgs.flat_size(), 37806fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian (*this).PrintingPolicy); 37816fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 37826fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 37836fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 3784502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 3785502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 3786502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 37870d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 37887d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 378917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 379017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 379144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor Field != FieldEnd; ++Field) { 379243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (FD) { 3793d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 379444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor S += Field->getNameAsString(); 3795d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 3796d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 37971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3798d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar // Special case bit-fields. 379943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (Field->isBitField()) { 38001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 380143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian (*Field)); 3802d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } else { 3803a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType qt = Field->getType(); 3804a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(qt); 38051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(qt, S, false, true, 380643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 3807d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 38087d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 38096de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 3810d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 3811ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3812ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 38131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3814ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 38158b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 381664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall EncodeBitField(this, S, T, FD); 38178b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 38188b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 3819ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3820ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 38211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3822ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 382321a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 3824ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3825ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 38261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3827c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 3828c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 3829c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 3830c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 38310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 383243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 38330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 383443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 383543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 383643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 383743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 38382c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian llvm::SmallVector<ObjCIvarDecl*, 32> Ivars; 38392c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(OI, true, Ivars); 38402c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (unsigned i = 0, e = Ivars.size(); i != e; ++i) { 38412c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian FieldDecl *Field = cast<FieldDecl>(Ivars[i]); 38422c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (Field->isBitField()) 38432c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, Field); 384443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 38452c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, FD); 384643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 384743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 3848ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 384943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 38501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3851183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 385214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 385314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 385414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3855ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 38561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 385727d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 385827d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 385927d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 386027d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 386114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 386214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3863ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 38641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3865ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 38661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 386714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 386814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 386914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 387014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 387114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 387214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 387367ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 387467ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 387514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 387614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 387714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 387814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 387914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 388014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 388114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3882ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 38831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3884ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 3885ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 3886ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 3887ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 38881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 3889ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 3890ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 38911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 38921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 3893ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 389414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 389514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3896ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 3897ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 389827d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 3899ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 390027d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 390167ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 390267ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 3903ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 3904ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 3905ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 39061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3907ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 3908ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3909ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3910ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 39111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3912532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 3913532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 3914532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 3915532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 3916532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall 3917ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 391885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 391985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 39201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 3921ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 3922ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 3923ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 3924ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 3925ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 3926ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 3927ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 3928ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 3929ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 3930ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 3931ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 3932ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 3933ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 3934ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 3935ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 3936ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 3937b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 39381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3939b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 3940b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 3941b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3942ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCIdType(QualType T) { 3943de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = T; 39447e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 39457e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 3946ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCSelType(QualType T) { 394713dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = T; 3948b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 3949b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 3950ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 3951a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 3952390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 3953390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 3954ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCClassType(QualType T) { 3955de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = T; 39568baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 39578baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 3958a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 39591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 39602198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 39611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3962a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 39632198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 39642198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 39650bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 39660bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 3967eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCallTemplateName ASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 3968eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall UnresolvedSetIterator End) { 39690bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 39700bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 39717532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 39720bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 39730bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 39740bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 39750bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 39760bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 3977eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 39780bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 39790bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 39800bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 39810bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 39820bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 39837532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 39847532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 39850bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 39867532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 39877532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 3988d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 3989d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 39901eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 3991d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor bool TemplateKeyword, 39920bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall TemplateDecl *Template) { 3993789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 3994d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 3995d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 39961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3997d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 3998d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 39990bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4000d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 4001d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 4002d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 4003d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 40041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4005d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 4006d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 4007d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 40087532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 40097532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 40101eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 40117532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name) { 40121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 40133b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 40147532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 40157532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 40167532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 40177532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 40187532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 40197532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 40207532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 40217532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 40227532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 40237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 40247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 40257532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 40267532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 40277532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 40287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 40297532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 40307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 4031789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 4032789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4033789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 4034789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 40357532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 40367532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 40377532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 40387532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 40397532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 40407532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4041ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 4042ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 4043ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 4044ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 4045ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Operator) { 4046ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 4047ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 4048ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4049ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 4050ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 4051ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4052ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 4053789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 4054789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4055ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4056ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 4057ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4058ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4059ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 4060ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 4061ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 4062ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 4063ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 4064ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 4065789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 4066789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 4067789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4068789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 4069789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 4070ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 4071ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4072ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 4073ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4074ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 4075ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4076b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 4077d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 4078d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 4079e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 4080b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 4081e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 4082b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 4083b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 4084b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 4085b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 4086b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 4087b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 4088b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 4089b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 4090b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 4091b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 4092b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 4093e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 4094b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 4095b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4096b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4097b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 4098b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4099b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4100fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// isObjCNSObjectType - Return true if this is an NSObject object using 4101fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// NSObject attribute on a c-style pointer type. 4102fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// FIXME - Make it work directly on types. 4103f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff/// FIXME: Move to Type. 4104fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// 4105fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanianbool ASTContext::isObjCNSObjectType(QualType Ty) const { 4106fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefType *TDT = dyn_cast<TypedefType>(Ty)) { 4107fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefDecl *TD = TDT->getDecl()) 410840b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (TD->getAttr<ObjCNSObjectAttr>()) 4109fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return true; 4110fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian } 41111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return false; 4112fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian} 4113fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 41144fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 41154fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 41164fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 41170953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(const QualType &Ty) const { 41180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttrs = Qualifiers::GCNone; 41194fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian if (getLangOptions().ObjC1 && 41204fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian getLangOptions().getGCMode() != LangOptions::NonGC) { 4121b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner GCAttrs = Ty.getObjCGCAttr(); 41224fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian // Default behavious under objective-c's gc is for objective-c pointers 41231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // (or pointers to them) be treated as though they were declared 4124a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian // as __strong. 41250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GCAttrs == Qualifiers::GCNone) { 412675212ee91313bc1b6dd826d9b173541bc4016539Fariborz Jahanian if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 41270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GCAttrs = Qualifiers::Strong; 4128a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian else if (Ty->isPointerType()) 41296217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 4130a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian } 4131c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // Non-pointers have none gc'able attribute regardless of the attribute 4132c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // set on them. 4133f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff else if (!Ty->isAnyPointerType() && !Ty->isBlockPointerType()) 41340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 41354fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 4136b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 41374fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 41384fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 41396ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 41406ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 41416ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 4142770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 41431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 41446ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 41456ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 41466ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 4147467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 41486ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 414961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 41506ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 41516ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4152255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregorbool ASTContext::areCompatibleVectorTypes(QualType FirstVec, 4153255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor QualType SecondVec) { 4154255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(FirstVec->isVectorType() && "FirstVec should be a vector type"); 4155255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(SecondVec->isVectorType() && "SecondVec should be a vector type"); 4156255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4157255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (hasSameUnqualifiedType(FirstVec, SecondVec)) 4158255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4159255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4160255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor // AltiVec vectors types are identical to equivalent GCC vector types 4161255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *First = FirstVec->getAs<VectorType>(); 4162255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *Second = SecondVec->getAs<VectorType>(); 4163255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if ((((First->getAltiVecSpecific() == VectorType::AltiVec) && 4164255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor (Second->getAltiVecSpecific() == VectorType::NotAltiVec)) || 4165255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor ((First->getAltiVecSpecific() == VectorType::NotAltiVec) && 4166255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor (Second->getAltiVecSpecific() == VectorType::AltiVec))) && 4167255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor hasSameType(First->getElementType(), Second->getElementType()) && 4168255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor (First->getNumElements() == Second->getNumElements())) 4169255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4170255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4171255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return false; 4172255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor} 4173255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 41744084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 41754084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 41764084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 41774084c306635b70f37029dca938444e6013f08684Steve Naroff 41784084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 41794084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 41800fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanianbool ASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 41810fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian ObjCProtocolDecl *rProto) { 41824084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 418314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 41844084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 41854084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 41864084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 41874084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 41884084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 41894084c306635b70f37029dca938444e6013f08684Steve Naroff} 419014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 41914084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 41924084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 41934084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 41944084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 41954084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 41964084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 41974084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 41984084c306635b70f37029dca938444e6013f08684Steve Naroff} 41994084c306635b70f37029dca938444e6013f08684Steve Naroff 4200a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// ObjCQualifiedClassTypesAreCompatible - compare Class<p,...> and 4201a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// Class<p1, ...>. 4202a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanianbool ASTContext::ObjCQualifiedClassTypesAreCompatible(QualType lhs, 4203a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType rhs) { 4204a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *lhsQID = lhs->getAs<ObjCObjectPointerType>(); 4205a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 4206a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian assert ((lhsQID && rhsOPT) && "ObjCQualifiedClassTypesAreCompatible"); 4207a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4208a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 4209a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = lhsQID->qual_end(); I != E; ++I) { 4210a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian bool match = false; 4211a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *lhsProto = *I; 4212a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 4213a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = rhsOPT->qual_end(); J != E; ++J) { 4214a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 4215a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto)) { 4216a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian match = true; 4217a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian break; 4218a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4219a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4220a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (!match) 4221a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return false; 4222a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4223a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return true; 4224a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian} 4225a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 42264084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 42274084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 42284084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 42294084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 42304084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 42311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 42324084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 42334084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 42341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 42354084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 42364084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 42374084c306635b70f37029dca938444e6013f08684Steve Naroff 42384084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 4239183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 42401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42414084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 42421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42434084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 42441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 42454084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 42464084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 42474084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 42484084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 42494084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 42504084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 42514084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 42520fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 42534084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 42544084c306635b70f37029dca938444e6013f08684Steve Naroff } 42554084c306635b70f37029dca938444e6013f08684Steve Naroff } 42564084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 42574084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 42584084c306635b70f37029dca938444e6013f08684Steve Naroff } 42591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 42604084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 42614084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 42624084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 42634084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 4264de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 4265de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 4266de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 4267de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 42684084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 42694084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 42704084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 42714084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 42724084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 42734084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 42748f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 42758f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 4276de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 42771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 42784084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 42794084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 42804084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 42814084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 42824084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 42834084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 42844084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 42850fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 42864084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 42874084c306635b70f37029dca938444e6013f08684Steve Naroff break; 42884084c306635b70f37029dca938444e6013f08684Steve Naroff } 42894084c306635b70f37029dca938444e6013f08684Steve Naroff } 42904084c306635b70f37029dca938444e6013f08684Steve Naroff } 42914084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 4292de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 4293de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 42941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4295de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 4296de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 42971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42984084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 42994084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 43004084c306635b70f37029dca938444e6013f08684Steve Naroff 43011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 43024084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 43034084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhsOPT->qual_empty()) { 43044084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 43054084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 43064084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = rhsQID->qual_begin(), 43074084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); I != E; ++I) { 4308d1909bbc8aa8b468527250766c8f4e67379da2d6Fariborz Jahanian // when comparing an id<P> on rhs with a static type on lhs, 4309d1909bbc8aa8b468527250766c8f4e67379da2d6Fariborz Jahanian // static class must implement all of id's protocols directly or 4310d1909bbc8aa8b468527250766c8f4e67379da2d6Fariborz Jahanian // indirectly through its super class. 4311192b1464dce385ac1947eb8258c3a0cd4444c726Fariborz Jahanian if (lhsID->ClassImplementsProtocol(*I, true)) { 43124084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 43134084c306635b70f37029dca938444e6013f08684Steve Naroff break; 43144084c306635b70f37029dca938444e6013f08684Steve Naroff } 43154084c306635b70f37029dca938444e6013f08684Steve Naroff } 43164084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 43174084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 43184084c306635b70f37029dca938444e6013f08684Steve Naroff } 43194084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 43204084c306635b70f37029dca938444e6013f08684Steve Naroff } 43211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 43224084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 43234084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 43244084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 43254084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 43264084c306635b70f37029dca938444e6013f08684Steve Naroff 43274084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 43284084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 43294084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 43304084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 43314084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 43324084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 43334084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 43344084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 43354084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 43364084c306635b70f37029dca938444e6013f08684Steve Naroff break; 43374084c306635b70f37029dca938444e6013f08684Steve Naroff } 43384084c306635b70f37029dca938444e6013f08684Steve Naroff } 43394084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 43404084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 43414084c306635b70f37029dca938444e6013f08684Steve Naroff } 43424084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 43434084c306635b70f37029dca938444e6013f08684Steve Naroff } 43444084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 43454084c306635b70f37029dca938444e6013f08684Steve Naroff} 43464084c306635b70f37029dca938444e6013f08684Steve Naroff 43474084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 43484084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 43494084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 43504084c306635b70f37029dca938444e6013f08684Steve Naroff/// 43514084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 43524084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 4353c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4354c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4355c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 43564084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 4357c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 4358c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 43594084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 43604084c306635b70f37029dca938444e6013f08684Steve Naroff 4361c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 43621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 43631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 43644084c306635b70f37029dca938444e6013f08684Steve Naroff false); 4365a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4366a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (LHS->isObjCQualifiedClass() && RHS->isObjCQualifiedClass()) 4367a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return ObjCQualifiedClassTypesAreCompatible(QualType(LHSOPT,0), 4368a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType(RHSOPT,0)); 4369a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4370c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 4371c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 43724084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 43731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43744084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 437514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 437614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4377132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 4378132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// for providing type-safty for objective-c pointers used to pass/return 4379132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 4380132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 4381132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 4382132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 4383132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4384132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *RHSOPT) { 4385a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 4386132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4387132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4388132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 4389132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 4390132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4391132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4392a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 4393132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 4394132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 4395132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 4396132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4397132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 4398132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 4399132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 4400132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 4401132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 4402132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4403132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 4404132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4405132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4406132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4407132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4408132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4409132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4410132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4411132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4412e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 4413e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 4414e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 4415e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 4416e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 4417e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 4418e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4419e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 4420e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 4421e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4422c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4423c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4424c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 4425c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 4426e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4427e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 4428e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 4429e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 4430e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 4431e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4432432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4433c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 4434c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 4435e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 4436e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 4437e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4438e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4439e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 4440e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 4441cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 4442cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 4443e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 4444e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 4445e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 4446e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4447e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4448432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 4449c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 4450c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 4451432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4452432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 4453432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 4454432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 4455432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 4456e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4457e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 4458e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4459db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 4460db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 4461db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 4462db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 4463db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 4464c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 4465c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 4466c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 4467c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 4468c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 4469c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 4470c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LDecl || !RDecl) 4471db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4472db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4473c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall while ((LDecl = LDecl->getSuperClass())) { 4474c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 4475e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 4476c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::SmallVector<ObjCProtocolDecl *, 8> Protocols; 4477c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 4478c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4479c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 4480c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 4481c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 4482c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 4483c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 4484e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4485db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian } 4486db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4487db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4488db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 4489db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4490c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 4491c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 4492c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 4493c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 4494c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 44956ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 44966ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 4497c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 44986ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 44991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45006ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 45016ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 4502c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 45036ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 45041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45056ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, then it 45066ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // isn't a superset. 4507c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (RHS->getNumProtocols() == 0) 45086ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; // FIXME: should return false! 45091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4510c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 4511c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 451291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 451391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 451491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 451591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 451691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 4517c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 4518c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 45198f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 45208f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 452191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 45228f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 45238f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 452491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 452591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 452691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 452791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 452891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 452991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 453091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 45316ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 45326ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4533389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 4534389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 4535183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 4536183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 45371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 453814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 4539389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 454014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 454114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 454214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 4543389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 4544389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 4545569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorbool ASTContext::canBindObjCObjectType(QualType To, QualType From) { 4546569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return canAssignObjCInterfaces( 4547569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(To)->getAs<ObjCObjectPointerType>(), 4548569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(From)->getAs<ObjCObjectPointerType>()); 4549569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 4550569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 45511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 4552ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 45531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 4554ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 4555447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregorbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS, 4556447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool CompareUnqualified) { 45570e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 45580e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 45590e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 4560447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return !mergeTypes(LHS, RHS, false, CompareUnqualified).isNull(); 45613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 45623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4563132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 4564132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 4565132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4566132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4567132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 4568447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 4569447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 4570183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 4571183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 457272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 457372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 45743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 45753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 45763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 45773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 4578132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 4579132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) 4580447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = mergeTypes(rbase->getResultType(), lbase->getResultType(), true, 4581447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 4582132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4583447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = mergeTypes(lbase->getResultType(), rbase->getResultType(), 4584447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor false, Unqualified); 45853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 4586447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4587447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 4588447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = retType.getUnqualifiedType(); 4589447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4590447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType LRetType = getCanonicalType(lbase->getResultType()); 4591447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType RRetType = getCanonicalType(rbase->getResultType()); 4592447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4593447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LRetType = LRetType.getUnqualifiedType(); 4594447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RRetType = RRetType.getUnqualifiedType(); 4595447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 4596447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4597447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != LRetType) 459861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 4599447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != RRetType) 460061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 46016a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 46026a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 46036a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 46046a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 4605264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 4606264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 46076a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar unsigned RegParm = lbaseInfo.getRegParm() == 0 ? rbaseInfo.getRegParm() : 46086a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar lbaseInfo.getRegParm(); 46096a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 46106a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar if (NoReturn != lbaseInfo.getNoReturn() || 46116a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar RegParm != lbaseInfo.getRegParm()) 46126a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 46136a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar if (NoReturn != rbaseInfo.getNoReturn() || 46146a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar RegParm != rbaseInfo.getRegParm()) 46156a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 4616264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv lcc = lbaseInfo.getCC(); 4617264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv rcc = rbaseInfo.getCC(); 4618ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor // Compatible functions must have compatible calling conventions 461904a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isSameCallConv(lcc, rcc)) 4620ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return QualType(); 46211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 4623465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 4624465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 46253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 46263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 46273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 46283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 46293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 46303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 46313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 46323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 46333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 46343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 46353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 46367fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 46377fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 46387fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 46393d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 46403d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman llvm::SmallVector<QualType, 10> types; 46413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 46423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 46433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 4644447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType argtype = mergeTypes(largtype, rargtype, OfBlockPointer, 4645447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 46463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 4647447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4648447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 4649447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor argtype = argtype.getUnqualifiedType(); 4650447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 46513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 4652447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4653447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor largtype = largtype.getUnqualifiedType(); 4654447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor rargtype = rargtype.getUnqualifiedType(); 4655447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 4656447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 465761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 465861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 465961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 466061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 46613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 46633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 46643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, types.begin(), types.size(), 46652455636163fdd18581d7fdae816433f886d88213Mike Stump lproto->isVariadic(), lproto->getTypeQuals(), 4666264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 4667425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo(NoReturn, RegParm, lcc)); 46683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 46703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 46713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 46723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 467372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 46743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 4675465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 46763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 46773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 46783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 46793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 46803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 46813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 46823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 46833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 46843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 4685b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 4686b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 4687b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 4688b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 4689b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 4690b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 46913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 46923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 46933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 46943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 46953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 46963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 46973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 46983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 46992d3c191e1d5545e1724ee6e0550c70eef54beff2Mike Stump proto->getNumArgs(), proto->isVariadic(), 4700264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola proto->getTypeQuals(), 4701264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 4702425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo(NoReturn, RegParm, lcc)); 47033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 47043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 47053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 47063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 4707425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info(NoReturn, RegParm, lcc); 4708264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionNoProtoType(retType, Info); 47093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 47103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4711132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 4712447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 4713447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 471443d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 471543d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 471643d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 47177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 47187c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 47190e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 47200e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 4721447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4722447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4723447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHS = LHS.getUnqualifiedType(); 4724447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHS = RHS.getUnqualifiedType(); 4725447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 47260e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 47273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 47283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 47293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4730f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 47313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 47323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 47333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 47340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 4735a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 4736a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 47370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 47380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 47390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 47400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 47410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall LQuals.getAddressSpace() != RQuals.getAddressSpace()) 47420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 47430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 47440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 47450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 47460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 47470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 47480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 47490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 47500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 47510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 47520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 47530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 47540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 47550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 47560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 47570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 47580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 47590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 47600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 47610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 47623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 47630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 47640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 47650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 47663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4767852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 4768852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 4769f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 47701adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 47711adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 47721adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 47731adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 47744c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 47754c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 4776a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 4777a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 4778a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 4779a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 47801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4781c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 4782c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 4783c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 4784c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4785213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 4786213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 4787213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 47881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47894e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 47904e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 47911adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 47921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 4793842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 4794842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 4795183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 47963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 47973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 4798bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 4799183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 48003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 48013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 4802bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 48031adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 48043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 4805ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 48063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 48074a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 48081adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 480972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 481072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 4811ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 481272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 481372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 481472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 481572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 481672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 481772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 48187c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 48197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 482072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 482172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 482272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 482372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 4824c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 482572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 482672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 482772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 482872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 482972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 483072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 483172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 48321adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 48333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 48343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 48356217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 48366217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 4837447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4838447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 4839447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 4840447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 4841447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, false, 4842447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 48433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 484407d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 484561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 484607d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 484761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 48483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 48493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 4850c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 4851c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 4852c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 48536217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 48546217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 4855447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4856447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 4857447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 4858447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 4859447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer, 4860447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 4861c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 4862c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 4863c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 4864c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 4865c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 4866c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 4867c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 48681adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 48693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 48703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 48713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 48723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 48733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 48743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 48753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 48763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 4877447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4878447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSElem = LHSElem.getUnqualifiedType(); 4879447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSElem = RHSElem.getUnqualifiedType(); 4880447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 4881447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4882447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSElem, RHSElem, false, Unqualified); 48833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 488461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 488561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 488661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 488761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 48883bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 48893bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 48903bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 48913bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 48923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 48933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 489461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 489561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 489661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 489761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 48983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 48993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 49003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 49013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 49023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 49033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 49043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 49053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 49063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 49073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 49083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 49093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 49103bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 49113bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 49127e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 49137e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 49143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 49151adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 4916447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return mergeFunctionTypes(LHS, RHS, OfBlockPointer, Unqualified); 491772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 491872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 49193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 49201adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 49213cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 49223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 492364cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 492464cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 492564cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 49263cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 49275a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 49281c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 49291c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 49303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 493161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 4932c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 4933c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 49345a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 49355a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 4936c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 4937c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 4938c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 49395fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 49405fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 49413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 494261490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 494314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 4944132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 4945132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 4946132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 4947132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian RHS->getAs<ObjCObjectPointerType>())) 4948132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 4949132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 4950132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4951183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 4952183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 495314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 495414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4955bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 4956132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4957ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 495872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 495972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 4960ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 49617192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 49622390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 49632390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 49642390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 49652390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 49662390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 49672390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 49682390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 49692390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 49702390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 49712390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 49722390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 49732390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 49742390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 49752390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 49762390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 49772390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 49782390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 49792390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 49802390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 49812390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 49822390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 49832390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 49842390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 49852390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 49862390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 49872390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FunctionType::ExtInfo Info = getFunctionExtInfo(LHS); 49882390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 49892390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 49902390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getNumArgs(), FPT->isVariadic(), 49912390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getTypeQuals(), 49922390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->hasExceptionSpec(), 49932390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->hasAnyExceptionSpec(), 49942390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getNumExceptions(), 49952390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->exception_begin(), 49962390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Info); 49972390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 49982390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 49992390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 50002390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 50012390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 50022390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 50032390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 50042390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 50052390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 50062390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 50072390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 50082390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 50092390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 50102390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 50112390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 50122390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 50132390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 50142390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 50152390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 50162390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 50172390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 50182390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 50192390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 50202390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 50212390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 50222390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 50232390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 50242390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 50252390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 50262390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 50272390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 50282390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 50292390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 50302390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 50312390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 50322390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 50332390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 50342390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 50352390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 50362390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 50372390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 50382390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 50392390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 50402390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 50412390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 50422390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 50435426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 5044ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 5045ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 504688054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 5047ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedmanunsigned ASTContext::getIntWidth(QualType T) { 5048632d772a78db7e2cd9b36f8a22aee49d44486fbfSebastian Redl if (T->isBooleanType()) 5049ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return 1; 5050842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (EnumType *ET = dyn_cast<EnumType>(T)) 505129a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 5052f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 5053ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 5054ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5055ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 5056ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 5057f60946222721d9ba3c059563935c17b84703187aDouglas Gregor assert(T->hasSignedIntegerRepresentation() && "Unexpected type"); 50586a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 50596a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 50606a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 50616a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 5062788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VTy->getNumElements(), VTy->getAltiVecSpecific()); 50636a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 50646a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 50656a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 5066ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 50676a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 50686a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 50696a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 5070ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 5071ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 5072ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 5073ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 5074ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 5075ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 5076ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 5077ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 5078ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 5079ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 5080ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 5081ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 50822df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 50832df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 5084ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 5085ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 5086ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 5087ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 5088ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5089ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 50902cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorExternalASTSource::~ExternalASTSource() { } 50912cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 50922cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregorvoid ExternalASTSource::PrintStats() { } 509386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 509486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 509586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 509686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 509786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 509886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 509986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 510086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// pointer over the consumed characters. This returns the resultant type. 51011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic QualType DecodeTypeFromStr(const char *&Str, ASTContext &Context, 510286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 510386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool AllowTypeModifiers = true) { 510486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 510586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 510686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 51071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 510886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the modifiers first. 510986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 511086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 511186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 51121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 511386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 511486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 511586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 511686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 511786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 511886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 511986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 512086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 512186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 512286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 512386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 512486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 512586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 512686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 512786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 512886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 512986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 513086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 51311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 513286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 513386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 513486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 513586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 513686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 513786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 513886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 513986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 514086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 514186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 514286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 514386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 514486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 514586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 514686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 514786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 514886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 514986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 515086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 515186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 515286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 515386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 515486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 515586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 515686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 515786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 515886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 515986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 516086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 516186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 516286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 516386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 516486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 516586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 516686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 516786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 516886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 516986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 517086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 517186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 517286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 517386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 517486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 517586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 517686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 517786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 517886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 517986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 518086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 518186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 518286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 518386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 518486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 518586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 518686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 518786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 518886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 518986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 519086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 519186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 519286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 519386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 519486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 519586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 519686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 519786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 519886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 519986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 520086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 520186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 520286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 520386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 520486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 520586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Type->isArrayType()) { 520686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 520786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } else { 520886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 520986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 521086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 521186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 521286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 521386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 521486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 52151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 521686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 52171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 521886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false); 521982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson // FIXME: Don't know what to do about AltiVec. 5220788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Type = Context.getVectorType(ElementType, NumElements, 5221788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::NotAltiVec); 522286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 522386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5224d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 5225d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false); 5226d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 5227d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 5228d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor } 52299a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 5230c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 5231c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 5232f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 523386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 523486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5235fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 52369a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 5237f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 5238782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 5239f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 5240f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 5241f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 5242fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 5243f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 5244fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 5245fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 5246fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 5247782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 52481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 524986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (!AllowTypeModifiers) 525086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 52511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 525286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Done = false; 525386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 5254187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 525586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: Done = true; --Str; break; 525686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case '*': 525786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case '&': 5258187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall { 5259187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall // Both pointers and references can have their pointee types 5260187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall // qualified with an address space. 5261187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall char *End; 5262187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall unsigned AddrSpace = strtoul(Str, &End, 10); 5263187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall if (End != Str && AddrSpace != 0) { 5264187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getAddrSpaceQualType(Type, AddrSpace); 5265187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Str = End; 5266187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall } 5267187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall } 5268187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall if (c == '*') 5269187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getPointerType(Type); 5270187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall else 5271187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall Type = Context.getLValueReferenceType(Type); 527286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 527386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 527486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'C': 52750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Type = Type.withConst(); 527686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 5277013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian case 'D': 5278013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian Type = Context.getVolatileType(Type); 5279013af39d2a6a2e684f5a458c97890c52cddb7157Fariborz Jahanian break; 528086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 528186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 52821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 528386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 528486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 528586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 528686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 528786df27bbdbb98c39ec2184695c0561209f91beddChris LattnerQualType ASTContext::GetBuiltinType(unsigned id, 528886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner GetBuiltinTypeError &Error) { 528986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(id); 52901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 529186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner llvm::SmallVector<QualType, 8> ArgTypes; 52921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 529386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 529486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error); 529586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 529686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 529786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 529886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error); 529986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 530086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 530186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 530286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 530386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 530486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 53051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 530686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 530786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 530886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 530986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 531086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 531186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 531286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // handle untyped/variadic arguments "T c99Style();" or "T cppStyle(...);". 531386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (ArgTypes.size() == 0 && TypeStr[0] == '.') 531486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionNoProtoType(ResType); 5315ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 5316ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor // FIXME: Should we create noreturn types? 531786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), 5318ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor TypeStr[0] == '.', 0, false, false, 0, 0, 5319264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 532086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 5321a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5322a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType 5323a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanASTContext::UsualArithmeticConversionsType(QualType lhs, QualType rhs) { 5324a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Perform the usual unary conversions. We do this early so that 5325a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // integral promotions to "int" can allow us to exit early, in the 5326a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // lhs == rhs check. Also, for conversion purposes, we ignore any 5327a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // qualifiers. For example, "const float" and "float" are 5328a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // equivalent. 5329a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isPromotableIntegerType()) 5330a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getPromotedIntegerType(lhs); 5331a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 5332a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = lhs.getUnqualifiedType(); 5333a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isPromotableIntegerType()) 5334a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getPromotedIntegerType(rhs); 5335a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 5336a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = rhs.getUnqualifiedType(); 5337a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5338a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If both types are identical, no conversion is needed. 5339a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs == rhs) 5340a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 53411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5342a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If either side is a non-arithmetic type (e.g. a pointer), we are done. 5343a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The caller can deal with this (e.g. pointer + int). 5344a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (!lhs->isArithmeticType() || !rhs->isArithmeticType()) 5345a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 53461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // At this point, we have two different arithmetic types. 53481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5349a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle complex types first (C99 6.3.1.8p1). 5350a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexType() || rhs->isComplexType()) { 5351a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the complex type. 53521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (rhs->isIntegerType() || rhs->isComplexIntegerType()) { 5353a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 5354a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5355a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 53561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isIntegerType() || lhs->isComplexIntegerType()) { 5357a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 5358a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5359a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5360a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // This handles complex/complex, complex/float, or float/complex. 53611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // When both operands are complex, the shorter operand is converted to the 53621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // type of the longer, and that is the type of the result. This corresponds 53631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // to what is done when combining two real floating-point operands. 53641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // The fun begins when size promotion occur across type domains. 5365a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // From H&S 6.3.4: When one operand is complex and the other is a real 53661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // floating-point type, the less precise type is converted, within it's 5367a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // real or complex domain, to the precision of the other type. For example, 53681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // when combining a "long double" with a "double _Complex", the 5369a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // "double _Complex" is promoted to "long double _Complex". 5370a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 53711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (result > 0) { // The left side is bigger, convert rhs. 5373a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getFloatingTypeOfSizeWithinDomain(lhs, rhs); 53741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else if (result < 0) { // The right side is bigger, convert lhs. 5375a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getFloatingTypeOfSizeWithinDomain(rhs, lhs); 53761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 5377a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // At this point, lhs and rhs have the same rank/size. Now, make sure the 5378a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // domains match. This is a requirement for our implementation, C99 5379a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // does not require this promotion. 5380a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs != rhs) { // Domains don't match, we have complex/float mix. 5381a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType()) { // handle "double, _Complex double". 5382a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5383a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { // handle "_Complex double, double". 5384a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5385a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5386a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5387a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // The domain/size match exactly. 5388a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5389a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Now handle "real" floating types (i.e. float, double, long double). 5390a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType() || rhs->isRealFloatingType()) { 5391a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the real floating type. 5392a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isIntegerType()) { 5393a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the lhs floating point type. 5394a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5395a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5396a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isComplexIntegerType()) { 5397a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the complex floating point type. 5398a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(lhs); 5399a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5400a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isIntegerType()) { 5401a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the rhs floating point type. 5402a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5403a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 54041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isComplexIntegerType()) { 5405a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the complex floating point type. 5406a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(rhs); 5407a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5408a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // We have two real floating types, float/complex combos were handled above. 5409a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Convert the smaller operand to the bigger result. 5410a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 5411a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (result > 0) // convert the rhs 5412a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5413a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(result < 0 && "illegal float comparison"); 5414a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; // convert the lhs 5415a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5416a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexIntegerType() || rhs->isComplexIntegerType()) { 5417a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle GCC complex int extension. 5418a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *lhsComplexInt = lhs->getAsComplexIntegerType(); 5419a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *rhsComplexInt = rhs->getAsComplexIntegerType(); 5420a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5421a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsComplexInt && rhsComplexInt) { 54221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getIntegerTypeOrder(lhsComplexInt->getElementType(), 5423a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhsComplexInt->getElementType()) >= 0) 5424a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // convert the rhs 5425a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5426a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (lhsComplexInt && rhs->isIntegerType()) { 5427a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 5428a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5429a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (rhsComplexInt && lhs->isIntegerType()) { 5430a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 5431a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5432a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5433a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5434a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Finally, we have two differing integer types. 5435a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The rules for this case are in C99 6.3.1.8 5436a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int compare = getIntegerTypeOrder(lhs, rhs); 5437f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool lhsSigned = lhs->hasSignedIntegerRepresentation(), 5438f60946222721d9ba3c059563935c17b84703187aDouglas Gregor rhsSigned = rhs->hasSignedIntegerRepresentation(); 5439a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman QualType destType; 5440a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsSigned == rhsSigned) { 5441a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Same signedness; use the higher-ranked type 5442a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = compare >= 0 ? lhs : rhs; 5443a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (compare != (lhsSigned ? 1 : -1)) { 5444a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The unsigned type has greater than or equal rank to the 5445a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // signed type, so use the unsigned type 5446a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? rhs : lhs; 5447a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (getIntWidth(lhs) != getIntWidth(rhs)) { 5448a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The two types are different widths; if we are here, that 5449a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // means the signed type is larger than the unsigned type, so 5450a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // use the signed type. 5451a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? lhs : rhs; 5452a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { 5453a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The signed type is higher-ranked than the unsigned type, 5454a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // but isn't actually any bigger (like unsigned int and long 5455a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // on most 32-bit systems). Use the unsigned type corresponding 5456a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // to the signed type. 5457a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = getCorrespondingUnsignedType(lhsSigned ? lhs : rhs); 5458a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5459a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return destType; 5460a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 546190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 546290e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForFunction(const FunctionDecl *FD) { 546390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage External = GVA_StrongExternal; 546490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 546590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = FD->getLinkage(); 546690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 546790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis FD->getType()->getLinkage() == UniqueExternalLinkage) 546890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 546990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 547090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 547190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 547290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 547390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 547490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 547590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 547690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 547790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (FD->getTemplateSpecializationKind()) { 547890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 547990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 548090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_StrongExternal; 548190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 548290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 548390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 548490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 548590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 548690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 548790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 548890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_TemplateInstantiation; 548990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 549090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 549190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 549290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 549390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isInlined()) 549490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 549590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 549690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!getLangOptions().CPlusPlus || FD->hasAttr<GNUInlineAttr>()) { 549790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // GNU or C99 inline semantics. Determine whether this symbol should be 549890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // externally visible. 549990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->isInlineDefinitionExternallyVisible()) 550090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 550190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 550290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C99 inline semantics, where the symbol is not externally visible. 550390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 550490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 550590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 550690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C++0x [temp.explicit]p9: 550790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // [ Note: The intent is that an inline function that is the subject of 550890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // an explicit instantiation declaration will still be implicitly 550990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // instantiated when used so that the body can be considered for 551090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // inlining, but that no out-of-line copy of the inline function would be 551190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // generated in the translation unit. -- end note ] 551290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->getTemplateSpecializationKind() 551390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis == TSK_ExplicitInstantiationDeclaration) 551490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 551590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 551690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_CXXInline; 551790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 551890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 551990e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForVariable(const VarDecl *VD) { 552090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // If this is a static data member, compute the kind of template 552190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // specialization. Otherwise, this variable is not part of a 552290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // template. 552390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TemplateSpecializationKind TSK = TSK_Undeclared; 552490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (VD->isStaticDataMember()) 552590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TSK = VD->getTemplateSpecializationKind(); 552690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 552790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = VD->getLinkage(); 552890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 552990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis VD->getType()->getLinkage() == UniqueExternalLinkage) 553090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 553190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 553290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 553390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 553490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 553590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 553690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 553790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 553890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 553990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (TSK) { 554090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 554190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 554290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 554390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 554490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 554590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis llvm_unreachable("Variable should not be instantiated"); 554690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Fall through to treat this like any other instantiation. 554790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 554890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 554990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 555090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 555190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 555290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_TemplateInstantiation; 555390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 555490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 555590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 555690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 555790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 555890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 55594ac7c0bb39696e92fd220118fedc484c09a69870Argyrios Kyrtzidisbool ASTContext::DeclMustBeEmitted(const Decl *D) { 556090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 556190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!VD->isFileVarDecl()) 556290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 556390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } else if (!isa<FunctionDecl>(D)) 556490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 556590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 5566ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis // Weak references don't produce any output by themselves. 5567ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (D->hasAttr<WeakRefAttr>()) 5568ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 5569ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 557090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Aliases and used decls are required. 557190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (D->hasAttr<AliasAttr>() || D->hasAttr<UsedAttr>()) 557290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 557390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 557490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 557590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Forward declarations aren't required. 557690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isThisDeclarationADefinition()) 557790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 557890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 557990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Constructors and destructors are required. 558090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->hasAttr<ConstructorAttr>() || FD->hasAttr<DestructorAttr>()) 558190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 558290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 558390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // The key function for a class is required. 558490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 558590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXRecordDecl *RD = MD->getParent(); 558690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (MD->isOutOfLine() && RD->isDynamicClass()) { 558790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXMethodDecl *KeyFunc = getKeyFunction(RD); 558890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (KeyFunc && KeyFunc->getCanonicalDecl() == MD->getCanonicalDecl()) 558990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 559090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 559190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 559290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 559390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage Linkage = GetGVALinkageForFunction(FD); 559490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 559590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // static, static inline, always_inline, and extern inline functions can 559690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // always be deferred. Normal inline functions can be deferred in C99/C++. 559790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Implicit template instantiations can also be deferred in C++. 559890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (Linkage == GVA_Internal || Linkage == GVA_C99Inline || 559990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage == GVA_CXXInline || Linkage == GVA_TemplateInstantiation) 560090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 560190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 560290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 560390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 560490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const VarDecl *VD = cast<VarDecl>(D); 560590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis assert(VD->isFileVarDecl() && "Expected file scoped var"); 560690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 5607ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (VD->isThisDeclarationADefinition() == VarDecl::DeclarationOnly) 5608ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 5609ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 561090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Structs that have non-trivial constructors or destructors are required. 561190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 561290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // FIXME: Handle references. 561390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const RecordType *RT = VD->getType()->getAs<RecordType>()) { 561490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl())) { 5615bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis if (RD->hasDefinition() && 5616bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis (!RD->hasTrivialConstructor() || !RD->hasTrivialDestructor())) 561790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 561890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 561990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 562090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 562190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage L = GetGVALinkageForVariable(VD); 562290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == GVA_Internal || L == GVA_TemplateInstantiation) { 562390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!(VD->getInit() && VD->getInit()->HasSideEffects(*this))) 562490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 562590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 562690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 562790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 562890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 5629071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 5630071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI::~CXXABI() {} 5631