ASTContext.cpp revision e6012c7ecb9d848f4091c8c48e7d9946cc36b23f
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 } 2096320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 2106320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor for (llvm::DenseMap<const Decl*, AttrVec*>::iterator A = DeclAttrs.begin(), 2116320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AEnd = DeclAttrs.end(); 2126320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A != AEnd; ++A) 2136320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A->second->~AttrVec(); 2146320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 215ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 2160054531488928a424666ac11fcdc6bcc5112de52Douglas Gregorvoid ASTContext::AddDeallocation(void (*Callback)(void*), void *Data) { 2170054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor Deallocations.push_back(std::make_pair(Callback, Data)); 2180054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor} 2190054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 2212cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 2222cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 2232cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 2242cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, "*** AST Context Stats:\n"); 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d types total.\n", (int)Types.size()); 2287c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 229dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 2301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 231dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 232dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 233dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 234dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 235c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 2365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 238dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 241dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 242dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 243dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 244dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 245dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, " %d %s types\n", (int)counts[Idx], #Name); \ 246dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 247dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 248dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 249dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 2501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 251dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, "Total bytes = %d\n", int(TotalBytes)); 252ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor 2534923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor // Implicit special member functions. 2541827403a7138946305c0058f262e02b595cf882fDouglas Gregor fprintf(stderr, " %u/%u implicit default constructors created\n", 2551827403a7138946305c0058f262e02b595cf882fDouglas Gregor NumImplicitDefaultConstructorsDeclared, 2561827403a7138946305c0058f262e02b595cf882fDouglas Gregor NumImplicitDefaultConstructors); 257225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor fprintf(stderr, " %u/%u implicit copy constructors created\n", 258225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor NumImplicitCopyConstructorsDeclared, 259225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor NumImplicitCopyConstructors); 260a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor fprintf(stderr, " %u/%u implicit copy assignment operators created\n", 261a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor NumImplicitCopyAssignmentOperatorsDeclared, 262a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor NumImplicitCopyAssignmentOperators); 2634923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor fprintf(stderr, " %u/%u implicit destructors created\n", 2644923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor NumImplicitDestructorsDeclared, NumImplicitDestructors); 2654923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor 2662cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 2672cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor fprintf(stderr, "\n"); 2682cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 2692cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 270ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor 27163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor BumpAlloc.PrintStats(); 2725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 275e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 2766b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 277e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 2786b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 2795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinTypes() { 2825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 2831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 2861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 29015b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 2935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 2945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 2955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 2975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 2985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 3001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 3071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 31264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 3132df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 3142df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 3152df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 3162df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 3173a2503227c3db04a3619735127483263c1075ef7Chris Lattner if (LangOpts.CPlusPlus) // C++ 3.9.1p5 3183a2503227c3db04a3619735127483263c1075ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar); 3193a2503227c3db04a3619735127483263c1075ef7Chris Lattner else // C99 3203a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 32164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 322f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 323f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 324f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 325f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 326f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 327f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 328f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 329f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 330f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 331f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3328e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor // Placeholder type for functions. 333898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(OverloadTy, BuiltinType::Overload); 334898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 335898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 336898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 337898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 338898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 339898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 340898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 3418e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 3421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Placeholder type for C++0x auto declarations whose real type has 343e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // not yet been deduced. 344e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson InitBuiltinType(UndeducedAutoTy, BuiltinType::UndeducedAuto); 3451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 3508e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 3517e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 3521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 353de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // "Builtin" typedefs set by Sema::ActOnTranslationUnitScope(). 354de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = QualType(); 355de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = QualType(); 35613dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = QualType(); 3571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35813dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 359de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 360de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 36113dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 36214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 363a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 3641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 36633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 3676e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 3686e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 3696e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 37278a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios KyrtzidisDiagnostic &ASTContext::getDiagnostics() const { 37378a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis return SourceMgr.getDiagnostics(); 37478a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis} 37578a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis 3766320064d0c60fa8683f5623881c9394fd4aa7689Douglas GregorAttrVec& ASTContext::getDeclAttrs(const Decl *D) { 3776320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AttrVec *&Result = DeclAttrs[D]; 3786320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (!Result) { 3796320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor void *Mem = Allocate(sizeof(AttrVec)); 3806320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Result = new (Mem) AttrVec; 3816320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 3826320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 3836320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor return *Result; 3846320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 3856320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 3866320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor/// \brief Erase the attributes corresponding to the given declaration. 3876320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregorvoid ASTContext::eraseDeclAttrs(const Decl *D) { 3886320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor llvm::DenseMap<const Decl*, AttrVec*>::iterator Pos = DeclAttrs.find(D); 3896320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (Pos != DeclAttrs.end()) { 3906320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Pos->second->~AttrVec(); 3916320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor DeclAttrs.erase(Pos); 3926320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 3936320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 3946320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 3956320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 396251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 397663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 3987caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 399663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 4007caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 4017caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 4027caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 4031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4047caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 4057caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 4067caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 4071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 408251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 4099421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis TemplateSpecializationKind TSK, 4109421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis SourceLocation PointOfInstantiation) { 4117caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 4127caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 4137caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 4147caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 415251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 4169421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis = new (*this) MemberSpecializationInfo(Tmpl, TSK, PointOfInstantiation); 4177caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 4187caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 4197ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 420ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 4217ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 422ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 423ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 4240d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 4251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4260d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 4270d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 4280d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 4290d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 430ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 431ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 432ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 433ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 434ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 435ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 436ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 437ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 438ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 439ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 440ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 441ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 442ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 443ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 444ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 445ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 446ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 447ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 448ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 449ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 450ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 451ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 452ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 453ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 4540d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 4550d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 456d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 457d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 458d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 459d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 460d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 4611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 462d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 463d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 464d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 465d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 466d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 467d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 468d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 469d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 470d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 4711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 472d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 473d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 474d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 4757d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 4767d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 4777d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 4787d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 4797d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 4807d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 4817d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 4827d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 4837d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 4847d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 4857d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 4867d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 4877d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 4887d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 4897d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 4907d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 4917d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 4927d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 4937d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 4947d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 495c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidisunsigned 496c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios KyrtzidisASTContext::overridden_methods_size(const CXXMethodDecl *Method) const { 497c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 498c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis = OverriddenMethods.find(Method); 499c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis if (Pos == OverriddenMethods.end()) 500c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return 0; 501c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 502c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return Pos->second.size(); 503c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis} 504c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 5057d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 5067d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 5077d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 5087d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 5097d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 510464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 511464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 512464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 513a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 514b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 515b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 516b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 517183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 518b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 519b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 520b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 521b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 522b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 523b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 524b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 525b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 526b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 5278b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 528af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 529af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 5305d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 5315d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 5328b752f10c394b140f9ef89e049cbad1a7676fc25Ken DyckCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) { 533dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 534dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 535cf807c4dfdb23e8fa3f400e0b24ef5b79db7a530Sean Hunt Align = std::max(Align, D->getMaxAlignment()); 536dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 537af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 538af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 5396217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 5405d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 5415d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 5425d484e8cf710207010720589d89602233de61d01Sebastian Redl else 5435d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 5445d484e8cf710207010720589d89602233de61d01Sebastian Redl } 5455d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 5466deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned MinWidth = Target.getLargeArrayMinWidth(); 5476deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned ArrayAlign = Target.getLargeArrayAlign(); 5486deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (isa<VariableArrayType>(T) && MinWidth != 0) 5496deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola Align = std::max(Align, ArrayAlign); 5506deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (ConstantArrayType *CT = dyn_cast<ConstantArrayType>(T)) { 5516deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned Size = getTypeSize(CT); 5526deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (MinWidth != 0 && MinWidth <= Size) 5536deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola Align = std::max(Align, ArrayAlign); 5546deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola } 5554cc2cfd48d7c2d11141871cad590db7b52ce00a0Anders Carlsson // Incomplete or function types default to 1. 556dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman while (isa<VariableArrayType>(T) || isa<IncompleteArrayType>(T)) 557dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman T = cast<ArrayType>(T)->getElementType(); 558dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 559dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 560dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 56105f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis if (const FieldDecl *FD = dyn_cast<FieldDecl>(VD)) { 56205f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // In the case of a field in a packed struct, we want the minimum 56305f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // of the alignment of the field and the alignment of the struct. 56405f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis Align = std::min(Align, 56505f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis getPreferredTypeAlign(FD->getParent()->getTypeForDecl())); 56605f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 567af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 568dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 5698b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck return CharUnits::fromQuantity(Align / Target.getCharWidth()); 570af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 571b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 572ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 573ea1471e0e967548c596a71469702f8846dbaf3c0John McCallASTContext::getTypeInfoInChars(const Type *T) { 574ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 575ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return std::make_pair(CharUnits::fromQuantity(Info.first / getCharWidth()), 576ea1471e0e967548c596a71469702f8846dbaf3c0John McCall CharUnits::fromQuantity(Info.second / getCharWidth())); 577ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 578ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 579ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 580ea1471e0e967548c596a71469702f8846dbaf3c0John McCallASTContext::getTypeInfoInChars(QualType T) { 581ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 582ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 583ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 584a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 585a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 5860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 5870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 5880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 5890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 590d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 5911d75118af76cae2bfc06389cde410e14bd0a19fcDaniel DunbarASTContext::getTypeInfo(const Type *T) { 5925e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 5935e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 594a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 59572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 59672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 59718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 59872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 59972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 60018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor assert(false && "Should not see dependent types"); 60172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 60272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 6035d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 6045d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 60518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 60618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 60718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 60818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 60918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 61072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 611fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 61218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 61318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 61418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 61518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 616fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 6171d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 6181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 61998be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 6209e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 621030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 622030d8846c7e520330007087e949f621989876e3aChris Lattner break; 6235c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 624213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 625030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 6269fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 6279fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 6289fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 6294bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 6306fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 6316fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 6328eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 6339fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 6349fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 6359fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 636030d8846c7e520330007087e949f621989876e3aChris Lattner break; 637030d8846c7e520330007087e949f621989876e3aChris Lattner } 6385d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 6399e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 640a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 641692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 642d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 64318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 64418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 64518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 64618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 64718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 6486f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 6499e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 6509e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 6516f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 652692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 653692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 654692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 6556f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 6569e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 6579e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 6586f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 65964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis case BuiltinType::WChar: 66064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 66164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 66264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 663f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 664f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar16Width(); 665f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar16Align(); 666f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 667f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 668f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar32Width(); 669f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar32Align(); 670f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 671692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 6726f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 6739e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 6749e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 6756f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 676692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 6776f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 6789e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 6799e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 6806f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 681692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 6826f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 6839e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 6849e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 6856f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 686692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 6876f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 6889e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 6899e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 6906f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 691ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 692ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 693ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 694ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 695ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 6966f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 6979e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 6989e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 6996f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7006f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 7015426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 7025426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 7036f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7046f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 7059e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 7069e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 7076f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7086e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 7096e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Width = Target.getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 7106e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Align = Target.getPointerAlign(0); // == sizeof(void*) 7111590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 712e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCId: 713e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCClass: 714e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCSel: 715e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Width = Target.getPointerWidth(0); 716e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Align = Target.getPointerAlign(0); 717e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian break; 718a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 719bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 720d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 7215426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 722f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 7236f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 724485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 725485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff unsigned AS = cast<BlockPointerType>(T)->getPointeeType().getAddressSpace(); 726485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 727485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 728485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 729485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 7305d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 7315d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 7325d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 7335d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 7345d484e8cf710207010720589d89602233de61d01Sebastian Redl unsigned AS = cast<ReferenceType>(T)->getPointeeType().getAddressSpace(); 7355d484e8cf710207010720589d89602233de61d01Sebastian Redl Width = Target.getPointerWidth(AS); 7365d484e8cf710207010720589d89602233de61d01Sebastian Redl Align = Target.getPointerAlign(AS); 7375d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 7385d484e8cf710207010720589d89602233de61d01Sebastian Redl } 739f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 740f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner unsigned AS = cast<PointerType>(T)->getPointeeType().getAddressSpace(); 7415426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 742f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 743f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 744f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 745f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 746071cc7deffad608165b1ddd5263e8bf181861520Charles Davis const MemberPointerType *MPT = cast<MemberPointerType>(T); 7471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 7481cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 749071cc7deffad608165b1ddd5263e8bf181861520Charles Davis Width = PtrDiffInfo.first * ABI->getMemberPointerSize(MPT); 7501cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 7511cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 752f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 7535d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 7545d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 7555d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 7561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 75798be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 7589e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 7595d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 7605d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 7615d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 762c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 763c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 76444a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 7651d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 76644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 76744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Width = Layout.getSize(); 76844a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Align = Layout.getAlignment(); 76944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 77044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 77172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 77272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 7731d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 7741d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 7751d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 7768389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Width = 1; 7778389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Align = 1; 7788389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 7798389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 7801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7811d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 7827176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 7837176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 7841d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 7857176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 7867176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Width = Layout.getSize(); 7877176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Align = Layout.getAlignment(); 788dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 789a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 7907532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 7919fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 79249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 79349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 79449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 79518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 79618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor const TypedefDecl *Typedef = cast<TypedefType>(T)->getDecl(); 797df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor std::pair<uint64_t, unsigned> Info 798df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor = getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 799df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Align = std::max(Typedef->getMaxAlignment(), Info.second); 800df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Width = Info.first; 8017532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 8027176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 80318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 80418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 80518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 80618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 80718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 80818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 80918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 81018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 811395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 812395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 813395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 814395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 815465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 816465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 8171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 81818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TemplateSpecialization: 8191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 82018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 82118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // FIXME: this is likely to be wrong once we support template 82218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // aliases, since a template alias could refer to a typedef that 82318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // has an __aligned__ attribute on it. 82418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(getCanonicalType(T)); 82518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 8261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 827464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 8289e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 829a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 830a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 831bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 832bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 833bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(QualType T) { 834199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 835bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 836bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(const Type *T) { 837199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 838bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 839bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 84016e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 84186fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 84286fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(QualType T) { 84386fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 84486fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 84586fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(const Type *T) { 84686fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 84786fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 84886fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 84934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 85034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 85134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 85234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 85334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattnerunsigned ASTContext::getPreferredTypeAlign(const Type *T) { 85434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 8551eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 8561eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 857183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 8581eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 8591eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 8601eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 8611eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 8621eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 86334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 86434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 86534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 8668e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// ShallowCollectObjCIvars - 8678e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// Collect all ivars, including those synthesized, in the current class. 8688e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// 8698e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianvoid ASTContext::ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 87011062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 8712c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian // FIXME. This need be removed but there are two many places which 8722c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian // assume const-ness of ObjCInterfaceDecl 8732c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian ObjCInterfaceDecl *IDecl = const_cast<ObjCInterfaceDecl *>(OI); 8742c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCIvarDecl *Iv = IDecl->all_declared_ivar_begin(); Iv; 8752c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian Iv= Iv->getNextIvar()) 8762c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian Ivars.push_back(Iv); 8772c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian} 8782c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian 8792c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// DeepCollectObjCIvars - 8802c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// This routine first collects all declared, but not synthesized, ivars in 8812c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// super class and then collects all ivars, including those synthesized for 8822c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// current class. This routine is used for implementation of current class 8832c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// when all ivars, declared and synthesized are known. 8849820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 8852c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanianvoid ASTContext::DeepCollectObjCIvars(const ObjCInterfaceDecl *OI, 8862c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian bool leafClass, 8879820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 8882c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 8892c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(SuperClass, false, Ivars); 8902c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (!leafClass) { 8912c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 8922c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian E = OI->ivar_end(); I != E; ++I) 89311062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 89411062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian } 8952c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian else 8962c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian ShallowCollectObjCIvars(OI, Ivars); 8979820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 8989820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 899e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 900e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 901e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 902432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 903e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 90453b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // We can use protocol_iterator here instead of 90553b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // all_referenced_protocol_iterator since we are walking all categories. 90653b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCInterfaceDecl::all_protocol_iterator P = OI->all_referenced_protocol_begin(), 90753b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek PE = OI->all_referenced_protocol_end(); P != PE; ++P) { 908e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 909432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 910e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 911b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 912b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 913e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 914e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 915b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 916e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 917e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 918e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 919e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 920e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 921e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 922e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 923e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 924e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 925e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 926b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 92753b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCCategoryDecl::protocol_iterator P = OC->protocol_begin(), 928e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 929e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 930432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 931e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 932e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 933e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 934e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 935b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 936e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 937e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 938e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 939432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 940e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 941e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 942e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 943e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 944e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 945e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 946e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 9473bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanianunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) { 9483bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 9493bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 95080aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian for (const ObjCCategoryDecl *CDecl = OI->getFirstClassExtension(); CDecl; 95180aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian CDecl = CDecl->getNextClassExtension()) 952b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 953b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 9543bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 9553bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 9563bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 957b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 958b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 9598e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 9608e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 9618e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 9628a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 9638a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 9648a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 9658a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 9668a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 9678a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 9688a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 9698a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 9708a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 9718a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 9728a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 9738a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 9748a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 9758a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 9768a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 9778a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 9788a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 9798a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 9808a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 9818a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 9828a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 9838a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 9848a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 9858a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 9868a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 9878a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 9888a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 9898a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 9908a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 9918a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 992a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 993b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 994a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 995b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 996b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 997b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 998b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 999b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 1000a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 1001109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall unsigned DataSize) { 1002109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 1003109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 1004109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 1005109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 1006a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 1007109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 1008a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 1009a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 1010a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 1011a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 1012b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 1013b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1014a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 1015a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall SourceLocation L) { 1016a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 1017a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall DI->getTypeLoc().initialize(L); 1018a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 1019a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 1020a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 1021b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 1022b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) { 1023b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 1024b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1025b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1026b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 1027b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCImplementationLayout(const ObjCImplementationDecl *D) { 1028b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 1029b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1030b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1031a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1032a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 1033a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1034a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 10350953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getExtQualType(const Type *TypeNode, Qualifiers Quals) { 10360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned Fast = Quals.getFastQualifiers(); 10370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.removeFastQualifiers(); 10380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 10400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 10410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQuals::Profile(ID, TypeNode, Quals); 10420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void *InsertPos = 0; 10430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ExtQuals *EQ = ExtQualNodes.FindNodeOrInsertPos(ID, InsertPos)) { 10440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(EQ->getQualifiers() == Quals); 10450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(EQ, Fast); 10460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 10470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 10480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10496b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtQuals *New = new (*this, TypeAlignment) ExtQuals(*this, TypeNode, Quals); 10500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQualNodes.InsertNode(New, InsertPos); 10510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(New, Fast); 10520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 10530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 10540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10550953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getVolatileType(QualType T) { 10560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanT = getCanonicalType(T); 10570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (CanT.isVolatileQualified()) return T; 10580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 10600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 10610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addVolatile(); 10620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 10640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 10650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1066f11284ac87daa613bc7b30db9f54bd716d123222Fariborz JahanianQualType ASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) { 1067f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1068f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1069f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1070b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 10710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 10720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 10730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 10740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 10751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 10770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 10780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 10790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 10800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 10811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1083ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1084ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1085b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 10860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttr) { 1087d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1088b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1089d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 10901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10914027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian if (T->isPointerType()) { 10926217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType Pointee = T->getAs<PointerType>()->getPointeeType(); 109358f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 10944027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 10954027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 10964027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 10974027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 10981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 11000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 11010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 11020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 11031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 11050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 11060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 11070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 11080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 11091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1111d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1112a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1113264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolastatic QualType getExtFunctionType(ASTContext& Context, QualType T, 1114264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 11150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType ResultType; 111643c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (const PointerType *Pointer = T->getAs<PointerType>()) { 111743c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType Pointee = Pointer->getPointeeType(); 1118264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ResultType = getExtFunctionType(Context, Pointee, Info); 111943c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (ResultType == Pointee) 112043c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1121ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1122ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getPointerType(ResultType); 112343c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor } else if (const BlockPointerType *BlockPointer 112443c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor = T->getAs<BlockPointerType>()) { 112543c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType Pointee = BlockPointer->getPointeeType(); 1126264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ResultType = getExtFunctionType(Context, Pointee, Info); 112743c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (ResultType == Pointee) 112843c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1129ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1130ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getBlockPointerType(ResultType); 1131afac01d7e76f28d5e5a5c377369cc400919387eeDouglas Gregor } else if (const MemberPointerType *MemberPointer 1132afac01d7e76f28d5e5a5c377369cc400919387eeDouglas Gregor = T->getAs<MemberPointerType>()) { 1133afac01d7e76f28d5e5a5c377369cc400919387eeDouglas Gregor QualType Pointee = MemberPointer->getPointeeType(); 1134afac01d7e76f28d5e5a5c377369cc400919387eeDouglas Gregor ResultType = getExtFunctionType(Context, Pointee, Info); 1135afac01d7e76f28d5e5a5c377369cc400919387eeDouglas Gregor if (ResultType == Pointee) 1136afac01d7e76f28d5e5a5c377369cc400919387eeDouglas Gregor return T; 1137afac01d7e76f28d5e5a5c377369cc400919387eeDouglas Gregor 1138afac01d7e76f28d5e5a5c377369cc400919387eeDouglas Gregor ResultType = Context.getMemberPointerType(ResultType, 1139afac01d7e76f28d5e5a5c377369cc400919387eeDouglas Gregor MemberPointer->getClass()); 1140ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor } else if (const FunctionType *F = T->getAs<FunctionType>()) { 1141264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (F->getExtInfo() == Info) 114243c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1143ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 114443c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(F)) { 1145ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getFunctionNoProtoType(FNPT->getResultType(), 1146264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info); 11470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } else { 114843c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor const FunctionProtoType *FPT = cast<FunctionProtoType>(F); 11490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ResultType 1150ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor = Context.getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1151ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getNumArgs(), FPT->isVariadic(), 1152ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getTypeQuals(), 1153ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->hasExceptionSpec(), 1154ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->hasAnyExceptionSpec(), 1155ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getNumExceptions(), 1156ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->exception_begin(), 1157264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info); 11580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 115943c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor } else 116043c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1161ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1162ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return Context.getQualifiedType(ResultType, T.getLocalQualifiers()); 1163ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 1164ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1165ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getNoReturnType(QualType T, bool AddNoReturn) { 1166425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1167264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getExtFunctionType(*this, T, 1168264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withNoReturn(AddNoReturn)); 1169ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 1170ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1171ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getCallConvType(QualType T, CallingConv CallConv) { 1172425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1173264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getExtFunctionType(*this, T, 1174264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(CallConv)); 11752455636163fdd18581d7fdae816433f886d88213Mike Stump} 11762455636163fdd18581d7fdae816433f886d88213Mike Stump 1177425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael EspindolaQualType ASTContext::getRegParmType(QualType T, unsigned RegParm) { 1178425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1179425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola return getExtFunctionType(*this, T, 1180425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola Info.withRegParm(RegParm)); 1181425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola} 1182425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 11835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 11845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 11855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getComplexType(QualType T) { 11865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 11875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 11885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 11895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 11901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 11925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 11935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 11941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 11965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 11975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1198467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1199f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 12001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1203f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12056b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 12065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 12085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 12125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 12135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getPointerType(QualType T) { 12145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 12155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 12175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 12181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 12215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 12221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 12245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 12255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1226467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1227f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 12281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1231f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12336b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 12345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 12365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 12405618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 12415618bd4a52c45fbbb605e3ba885663b2164db8a3Steve NaroffQualType ASTContext::getBlockPointerType(QualType T) { 1242296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1243296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 12445618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 12455618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 12465618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 12471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12485618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 12495618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 12505618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 12515618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 12521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 12545618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 12555618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1256467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 12575618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 12581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12595618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 12605618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 12615618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1262f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12635618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 12646b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 12656b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 12665618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 12675618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 12685618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 12695618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 12705618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 12717c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 12727c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 127354e14c4db764c0636160d26c5bbf491637c83a76John McCallQualType ASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) { 12745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 12755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 127754e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 12785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12807c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 12817c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 12825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 12837c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 128454e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 128554e14c4db764c0636160d26c5bbf491637c83a76John McCall 12865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 12875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 12885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 128954e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 129054e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 129154e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 12927c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 12947c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 12957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 12967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 12987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12996b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 130054e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 130154e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 13027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 13037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 130454e14c4db764c0636160d26c5bbf491637c83a76John McCall 13057c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 13067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 13077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 13097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 13107c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian RedlQualType ASTContext::getRValueReferenceType(QualType T) { 13117c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 13127c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 13137c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 131454e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 13157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 13177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 13187c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 13197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 13207c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 132154e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 132254e14c4db764c0636160d26c5bbf491637c83a76John McCall 13237c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 13247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 13257c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 132654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 132754e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 132854e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 13297c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13317c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 13327c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1333f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 13345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 13376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 13385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 13405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1343f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1344f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 13451eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) { 1346f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1347f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1348f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1349f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1350f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1351f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1352f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1353f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1354f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1355f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1356f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1357f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1358f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 135987c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1360f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1361f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1362f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1363f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1364f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1365f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 1366f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 13676b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 13686b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1369f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1370f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1371f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1372f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1373f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 13741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1375fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 13761eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 137738aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1378c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 1379c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals) { 1380923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1381923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1382587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1383587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 138438aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 138538aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 138638aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 138738aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace())); 13881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 13900be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, EltTypeQuals); 13911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 13947192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 13955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 13961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 13985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 13995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1400467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 14011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Canonical = getConstantArrayType(getCanonicalType(EltTy), ArySize, 1402c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ASM, EltTypeQuals); 14035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 14057192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1406f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 14075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14096b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 14106b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType(EltTy, Canonical, ArySize, ASM, EltTypeQuals); 14117192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 14125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1416745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian/// getIncompleteArrayType - Returns a unique reference to the type for a 1417745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian/// incomplete array of the specified element type. 1418745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz JahanianQualType ASTContext::getUnknownSizeVariableArrayType(QualType Ty) { 1419745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian QualType ElemTy = getBaseElementType(Ty); 1420745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian DeclarationName Name; 1421745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian llvm::SmallVector<QualType, 8> ATypes; 1422745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian QualType ATy = Ty; 1423745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian while (const ArrayType *AT = getAsArrayType(ATy)) { 1424745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ATypes.push_back(ATy); 1425745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ATy = AT->getElementType(); 1426745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1427745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian for (int i = ATypes.size() - 1; i >= 0; i--) { 1428745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (const VariableArrayType *VAT = getAsVariableArrayType(ATypes[i])) { 1429745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ElemTy = getVariableArrayType(ElemTy, /*ArraySize*/0, ArrayType::Star, 1430745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 0, VAT->getBracketsRange()); 1431745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1432745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian else if (const ConstantArrayType *CAT = getAsConstantArrayType(ATypes[i])) { 1433745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian llvm::APSInt ConstVal(CAT->getSize()); 1434745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ElemTy = getConstantArrayType(ElemTy, ConstVal, ArrayType::Normal, 0); 1435745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1436745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian else if (getAsIncompleteArrayType(ATypes[i])) { 1437745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ElemTy = getVariableArrayType(ElemTy, /*ArraySize*/0, ArrayType::Normal, 1438745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 0, SourceRange()); 1439745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1440745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian else 1441745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian assert(false && "DependentArrayType is seen"); 1442745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1443745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian return ElemTy; 1444745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian} 1445745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1446745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian/// getVariableArrayDecayedType - Returns a vla type where known sizes 1447745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian/// are replaced with [*] 1448745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz JahanianQualType ASTContext::getVariableArrayDecayedType(QualType Ty) { 1449745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (Ty->isPointerType()) { 1450745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian QualType BaseType = Ty->getAs<PointerType>()->getPointeeType(); 1451745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (isa<VariableArrayType>(BaseType)) { 1452745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ArrayType *AT = dyn_cast<ArrayType>(BaseType); 1453745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian VariableArrayType *VAT = cast<VariableArrayType>(AT); 1454745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (VAT->getSizeExpr()) { 1455745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian Ty = getUnknownSizeVariableArrayType(BaseType); 1456745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian Ty = getPointerType(Ty); 1457745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1458745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1459745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1460745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian return Ty; 1461745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian} 1462745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1463745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1464bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1465bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 14667e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 14677e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1468c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 14697e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 14707e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1471c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1472c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 1473715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor QualType CanonType; 1474715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 1475715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor if (!EltTy.isCanonical()) { 1476715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor if (NumElts) 1477715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor NumElts->Retain(); 1478715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor CanonType = getVariableArrayType(getCanonicalType(EltTy), NumElts, ASM, 1479715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor EltTypeQuals, Brackets); 1480715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor } 1481715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 14826b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 1483715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor VariableArrayType(EltTy, CanonType, NumElts, ASM, EltTypeQuals, Brackets); 1484c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1485c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1486c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1487c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1488c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1489c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1490898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1491898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 149204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 14937e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getDependentSizedArrayType(QualType EltTy, 14947e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1495898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 14967e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 14977e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1498cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor assert((!NumElts || NumElts->isTypeDependent() || 1499cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor NumElts->isValueDependent()) && 1500898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1501898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 150204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor void *InsertPos = 0; 1503cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType *Canon = 0; 1504789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 1505cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1506cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor if (NumElts) { 1507cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // Dependently-sized array types that do not have a specified 1508cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // number of elements will have their sizes deduced from an 1509cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // initializer. 1510cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType::Profile(ID, *this, getCanonicalType(EltTy), ASM, 1511cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor EltTypeQuals, NumElts); 1512cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1513cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor Canon = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1514cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1515cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 151604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor DependentSizedArrayType *New; 151704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (Canon) { 151804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // We already have a canonical version of this array type; use it as 151904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // the canonical type for a newly-built type. 15206b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15216b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(Canon, 0), 15226b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 152304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 152404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType CanonEltTy = getCanonicalType(EltTy); 152504d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (CanonEltTy == EltTy) { 15266b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15276b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(), 15286b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 1529cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1530789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (NumElts) { 1531789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedArrayType *CanonCheck 1532789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1533789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized canonical array type broken"); 1534789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 1535cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayTypes.InsertNode(New, InsertPos); 1536789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 153704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 153804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType Canon = getDependentSizedArrayType(CanonEltTy, NumElts, 153904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor ASM, EltTypeQuals, 154004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor SourceRange()); 15416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15426b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, Canon, 15436b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 154404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 154504d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 15461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1547898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Types.push_back(New); 1548898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return QualType(New, 0); 1549898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 1550898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1551c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli FriedmanQualType ASTContext::getIncompleteArrayType(QualType EltTy, 1552c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 1553c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals) { 1554c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 15550be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner IncompleteArrayType::Profile(ID, EltTy, ASM, EltTypeQuals); 1556c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1557c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void *InsertPos = 0; 15581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (IncompleteArrayType *ATP = 1559c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 1560c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(ATP, 0); 1561c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1562c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 1563c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // either, so fill in the canonical type field. 1564c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType Canonical; 1565c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1566467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 1567f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getIncompleteArrayType(getCanonicalType(EltTy), 15682bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek ASM, EltTypeQuals); 1569c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1570c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 1571c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType *NewIP = 1572c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1573f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 15742bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1575c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 15766b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType *New = new (*this, TypeAlignment) 15776b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType(EltTy, Canonical, ASM, EltTypeQuals); 1578c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1579c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.InsertNode(New, InsertPos); 1580c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1581c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1582fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1583fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 158473322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 158573322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 158682287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 158733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner VectorType::AltiVecSpecific AltiVecSpec) { 158833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner BuiltinType *BaseType; 15891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 159033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner BaseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 159133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner assert(BaseType != 0 && "getVectorType(): Expecting a built-in type"); 15921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 15945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1595788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::Vector, AltiVecSpec); 1596788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 15975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 15995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 16005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 16025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 16035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1604255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (!vecType.isCanonical()) { 1605788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Canonical = getVectorType(getCanonicalType(vecType), NumElts, 1606788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::NotAltiVec); 16071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 16095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1610f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 16115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16126b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 1613788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType(vecType, NumElts, Canonical, AltiVecSpec); 16145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 16155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 16165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 16175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1619213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 162073322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 1621213541a68a3e137d11d2cefb612c6cdb410d7e8eNate BegemanQualType ASTContext::getExtVectorType(QualType vecType, unsigned NumElts) { 162273322924127c873c13101b705dd823f5539ffa5fSteve Naroff BuiltinType *baseType; 16231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1624f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 1625213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman assert(baseType != 0 && "getExtVectorType(): Expecting a built-in type"); 16261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 162773322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 162873322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 1629788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, 1630788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::NotAltiVec); 163173322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 163273322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 163373322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 163473322924127c873c13101b705dd823f5539ffa5fSteve Naroff 163573322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 163673322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 163773322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1638467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1639213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 16401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 164173322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 164273322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1643f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 164473322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 16456b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 16466b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 164773322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 164873322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 164973322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 165073322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 165173322924127c873c13101b705dd823f5539ffa5fSteve Naroff 16521eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getDependentSizedExtVectorType(QualType vecType, 16539cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr, 16549cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc) { 16552ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 16561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 16572ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 16581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16592ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 16602ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 16612ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 16622ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 16632ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 16642ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 16652ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 16666b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 16676b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 16686b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 16692ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 16702ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 16712ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 16726b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 16736b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 16746b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 1675789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1676789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 1677789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1678789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 1679789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 16802ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 16812ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 16822ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 16832ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 16846b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 16856b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 16862ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 16872ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 16881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16899cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 16909cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 16919cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 16929cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 169372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 16945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 1695264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael EspindolaQualType ASTContext::getFunctionNoProtoType(QualType ResultTy, 1696264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 1697264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv = Info.getCC(); 16985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 16995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 17005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1701264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 17021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 17041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 170572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 17065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 17071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1709ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 171004a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 1711264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 1712264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 1713264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 17141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 171672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 171772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1718f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 17195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17216b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 1722264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType(ResultTy, Canonical, Info); 17235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 172472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 17255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 17265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 17295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 173061710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerQualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray, 1731971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 1732465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned TypeQuals, bool hasExceptionSpec, 1733465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec, unsigned NumExs, 1734264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const QualType *ExArray, 1735264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 1736dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 1737264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv= Info.getCC(); 17385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 17395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 17405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 174172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, isVariadic, 1742465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 1743264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola NumExs, ExArray, Info); 17445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 17461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 174772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 17485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 1749465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1750465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 175154e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonical = !hasExceptionSpec && ResultTy.isCanonical(); 17525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 175354e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 17545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 17555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 1757465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 17585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 175904a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 17605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> CanonicalArgs; 17615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 17625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 176354e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 1764465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1765f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 1766beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 176747259d9ca7840dd66f06f5f11da7768b23d1e0fdDouglas Gregor isVariadic, TypeQuals, false, 1768264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, 0, 0, 1769264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 1770465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 17715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 177272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 177372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1774f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 17755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1776465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 177772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // FunctionProtoType objects are allocated with extra bytes after them 1778465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // for two variable size arrays (for parameter and exception types) at the 1779465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // end of them. 17801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionProtoType *FTP = 1781465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl (FunctionProtoType*)Allocate(sizeof(FunctionProtoType) + 1782465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl NumArgs*sizeof(QualType) + 17836b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumExs*sizeof(QualType), TypeAlignment); 178472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, isVariadic, 1785465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 1786264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExArray, NumExs, Canonical, Info); 17875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 178872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 17895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 17905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17923cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 17933cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 17943cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 17953cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 17963cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 17973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 17983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 17993cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 18003cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 18013cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 18023cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 18033cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 18043cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 18053cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 18063cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 18073cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 18083cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST) { 18093cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 18103cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 18113cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 181237ffed3b7f229844cae2463ff82b527506c86c74Argyrios Kyrtzidis } else if (CXXRecordDecl *PrevDecl = Decl->getPreviousDeclaration()) { 18133cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 18143cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 18153cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 18163cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 181731f17ecbef57b5679c017c375db330546b7b5145John McCall Decl->TypeForDecl = 181831f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 18193cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Types.push_back(Decl->TypeForDecl); 18203cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 18213cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 18223cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 18233cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 18242ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 18252ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 1826becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCallQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) { 18271e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 1828becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 18291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 183019c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(Decl)) 18312ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 1832becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 1833becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 1834becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 1835becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 183619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 1837becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 1838becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 1839becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 1840400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getRecordType(Record); 184119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 1842becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 1843becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 1844400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getEnumType(Enum); 184519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 1846ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 1847ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Decl->TypeForDecl = new (*this, TypeAlignment) UnresolvedUsingType(Using); 18489fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 1849becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 185049aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 1851becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Types.push_back(Decl->TypeForDecl); 185249aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 18532ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 18542ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 18555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 18565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified typename decl. 18579763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 18589763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getTypedefType(const TypedefDecl *Decl, QualType Canonical) { 18595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 18601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18619763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (Canonical.isNull()) 18629763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canonical = getCanonicalType(Decl->getUnderlyingType()); 18636b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Decl->TypeForDecl = new(*this, TypeAlignment) 18646b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 18655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(Decl->TypeForDecl); 18665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(Decl->TypeForDecl, 0); 18675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1869400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios KyrtzidisQualType ASTContext::getRecordType(const RecordDecl *Decl) { 1870400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 1871400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1872400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const RecordDecl *PrevDecl = Decl->getPreviousDeclaration()) 1873400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 1874400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 1875400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1876400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Decl->TypeForDecl = new (*this, TypeAlignment) RecordType(Decl); 1877400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Types.push_back(Decl->TypeForDecl); 1878400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 1879400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 1880400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1881400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios KyrtzidisQualType ASTContext::getEnumType(const EnumDecl *Decl) { 1882400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 1883400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1884400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const EnumDecl *PrevDecl = Decl->getPreviousDeclaration()) 1885400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 1886400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 1887400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1888400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Decl->TypeForDecl = new (*this, TypeAlignment) EnumType(Decl); 1889400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Types.push_back(Decl->TypeForDecl); 1890400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 1891400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 1892400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 189349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 189449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 189549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 189649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 1897467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 189849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 189949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 190049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 190149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 190249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 190349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 190449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 190549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 190649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 190749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 190849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 190949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 191049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 191149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 191249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 191349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 191449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 191549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 1916fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 19171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 191876e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 19191eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 192076e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 1921efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name) { 1922fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 1923efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, Name); 1924fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 19251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 1926fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1927fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1928fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 1929fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 19301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1931efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor if (Name) { 193276e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 1933efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TypeParm = new (*this, TypeAlignment) 1934efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType(Depth, Index, ParameterPack, Name, Canon); 1935789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1936789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 1937789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1938789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 1939789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 194076e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 19416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 19426b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 1943fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1944fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 1945fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 1946fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1947fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 1948fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 1949fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 19503cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 19513cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 19523cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 19533cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 19543cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType CanonType) { 19553cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST = getTemplateSpecializationType(Name, Args, CanonType); 19563cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 19573cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 19583cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 19593cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 19603cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 19613cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 19623cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 19633cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 19643cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 19653cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 19663cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 19673cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 19681eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 19697532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 1970d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 197171d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall QualType Canon) { 1972d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 1973d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 1974833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall llvm::SmallVector<TemplateArgument, 4> ArgVec; 1975833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 1976833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 1977833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 1978833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 197931f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 198071d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Canon); 1981833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 1982833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 1983833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 1984833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 19857532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 19867532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 198771d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall QualType Canon) { 1988b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (!Canon.isNull()) 1989b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = getCanonicalType(Canon); 19909763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis else 19919763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canon = getCanonicalTemplateSpecializationType(Template, Args, NumArgs); 1992fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 19931275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 19941275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 19951275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 19961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 199740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor sizeof(TemplateArgument) * NumArgs), 19986b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 19991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 2000ef99001908e799c388f1363b1e607dad5f5b57d3John McCall = new (Mem) TemplateSpecializationType(Template, 200131f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 2002828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor Canon); 20031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 200455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 20051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 200655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 200755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 20081eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 20099763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getCanonicalTemplateSpecializationType(TemplateName Template, 20109763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis const TemplateArgument *Args, 20119763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis unsigned NumArgs) { 20129763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Build the canonical template specialization type. 20139763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateName CanonTemplate = getCanonicalTemplateName(Template); 20149763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::SmallVector<TemplateArgument, 4> CanonArgs; 20159763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.reserve(NumArgs); 20169763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis for (unsigned I = 0; I != NumArgs; ++I) 20179763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 20189763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 20199763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Determine whether this canonical template specialization type already 20209763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // exists. 20219763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::FoldingSetNodeID ID; 20229763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType::Profile(ID, CanonTemplate, 20239763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, *this); 20249763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 20259763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *InsertPos = 0; 20269763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType *Spec 20279763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 20289763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 20299763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (!Spec) { 20309763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Allocate a new canonical template specialization type. 20319763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *Mem = Allocate((sizeof(TemplateSpecializationType) + 20329763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis sizeof(TemplateArgument) * NumArgs), 20339763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TypeAlignment); 20349763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Spec = new (Mem) TemplateSpecializationType(CanonTemplate, 20359763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, 20369763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis QualType()); 20379763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Types.push_back(Spec); 20389763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 20399763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis } 20409763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 20419763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis assert(Spec->isDependentType() && 20429763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis "Non-dependent template-id type must have a canonical type"); 20439763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis return QualType(Spec, 0); 20449763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis} 20459763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 20469763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2047465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 2048465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 2049465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType) { 2050e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 2051465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 2052e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2053e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 2054465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2055e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 2056e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2057e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2058789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 2059789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 2060789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 2061465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2062465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 2063789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 2064789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 2065789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2066465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 2067e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 2068465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 2069e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2070e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 2071e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 20724a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 20734a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 20744a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 20754a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor QualType Canon) { 2076d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 2077d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2078d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 2079d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 20804a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 20814a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 20824a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 20834a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 20844a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 20854a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 2086d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2087d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2088d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 20894a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 2090d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2091d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 20924714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 20934714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 2094d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 2095d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 2096d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 20974a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 2098d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 20994714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 21001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 2101d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2102d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 21031eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 210433500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 210533500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 21064a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 210733500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 210833500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgumentListInfo &Args) { 210933500955d731c73717af52088b7fc0e7a85681e7John McCall // TODO: avoid this copy 211033500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> ArgCopy; 211133500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0, E = Args.size(); I != E; ++I) 211233500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.push_back(Args[I].getArgument()); 211333500955d731c73717af52088b7fc0e7a85681e7John McCall return getDependentTemplateSpecializationType(Keyword, NNS, Name, 211433500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.size(), 211533500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.data()); 211633500955d731c73717af52088b7fc0e7a85681e7John McCall} 211733500955d731c73717af52088b7fc0e7a85681e7John McCall 211833500955d731c73717af52088b7fc0e7a85681e7John McCallQualType 211933500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 212033500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 212133500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 212233500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 212333500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 212433500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args) { 21251734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 21261734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2127789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 212833500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType::Profile(ID, *this, Keyword, NNS, 212933500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args); 2130789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2131789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 213233500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType *T 213333500955d731c73717af52088b7fc0e7a85681e7John McCall = DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 2134789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 2135789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 2136789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 213733500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 213833500955d731c73717af52088b7fc0e7a85681e7John McCall 213933500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword CanonKeyword = Keyword; 214033500955d731c73717af52088b7fc0e7a85681e7John McCall if (Keyword == ETK_None) CanonKeyword = ETK_Typename; 21411734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 214233500955d731c73717af52088b7fc0e7a85681e7John McCall bool AnyNonCanonArgs = false; 214333500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> CanonArgs(NumArgs); 214433500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0; I != NumArgs; ++I) { 214533500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs[I] = getCanonicalTemplateArgument(Args[I]); 214633500955d731c73717af52088b7fc0e7a85681e7John McCall if (!CanonArgs[I].structurallyEquals(Args[I])) 214733500955d731c73717af52088b7fc0e7a85681e7John McCall AnyNonCanonArgs = true; 2148789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 21491734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 215033500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon; 215133500955d731c73717af52088b7fc0e7a85681e7John McCall if (AnyNonCanonArgs || CanonNNS != NNS || CanonKeyword != Keyword) { 215233500955d731c73717af52088b7fc0e7a85681e7John McCall Canon = getDependentTemplateSpecializationType(CanonKeyword, CanonNNS, 215333500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, 215433500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs.data()); 215533500955d731c73717af52088b7fc0e7a85681e7John McCall 215633500955d731c73717af52088b7fc0e7a85681e7John McCall // Find the insert position again. 215733500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 215833500955d731c73717af52088b7fc0e7a85681e7John McCall } 215933500955d731c73717af52088b7fc0e7a85681e7John McCall 216033500955d731c73717af52088b7fc0e7a85681e7John McCall void *Mem = Allocate((sizeof(DependentTemplateSpecializationType) + 216133500955d731c73717af52088b7fc0e7a85681e7John McCall sizeof(TemplateArgument) * NumArgs), 216233500955d731c73717af52088b7fc0e7a85681e7John McCall TypeAlignment); 2163ef99001908e799c388f1363b1e607dad5f5b57d3John McCall T = new (Mem) DependentTemplateSpecializationType(Keyword, NNS, 216433500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args, Canon); 21651734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 216633500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.InsertNode(T, InsertPos); 21671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 21681734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 21691734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 217088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 217188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 217288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 217388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 21742e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 217588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 217688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2177c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 217854e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 217954e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 218054e14c4db764c0636160d26c5bbf491637c83a76John McCall 218154e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 218254e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 218354e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 218454e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 218554e14c4db764c0636160d26c5bbf491637c83a76John McCall} 218654e14c4db764c0636160d26c5bbf491637c83a76John McCall 218754e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 218888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 218988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 21901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 219188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 219288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 219388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 219488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 219588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 219688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 219788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 219888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2199c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2200c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 2201c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) { 2202c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2203c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2204c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2205c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2206d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2207c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2208c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2209c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2210d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2211c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2212c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2213d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2214c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2215c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 221654e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2217c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2218c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2219c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 22200237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 22210237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 222254e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 222354e14c4db764c0636160d26c5bbf491637c83a76John McCall 222454e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2225c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2226c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 222754e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2228c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2229c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 223054e14c4db764c0636160d26c5bbf491637c83a76John McCall } 223154e14c4db764c0636160d26c5bbf491637c83a76John McCall 223254e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2233c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 223454e14c4db764c0636160d26c5bbf491637c83a76John McCall } 223554e14c4db764c0636160d26c5bbf491637c83a76John McCall 2236c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2237c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2238fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2239c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2240c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 22411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2242c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2243c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2244c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2245d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 224688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2247c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2248c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 2249c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) { 22504b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2251c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 22521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22534b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2254c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2255c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 22564b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 22571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2258c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 225954e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2260c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2261c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 226254e14c4db764c0636160d26c5bbf491637c83a76John McCall 2263c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2264c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 226554e14c4db764c0636160d26c5bbf491637c83a76John McCall } 226654e14c4db764c0636160d26c5bbf491637c83a76John McCall 2267c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2268c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2269c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2270c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 227124fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 227224fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2273c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 227424fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 227524fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 227624fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2277deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// getObjCInterfaceType - Return the unique reference to the type for the 2278deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// specified ObjC interface decl. The list of protocols is optional. 2279deacbdca554298ccdf636f19c6094a8825ec6b34Douglas GregorQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) { 2280deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor if (Decl->TypeForDecl) 2281deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(Decl->TypeForDecl, 0); 228274c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl 2283deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor // FIXME: redeclarations? 2284deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2285deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2286deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Decl->TypeForDecl = T; 2287deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Types.push_back(T); 2288deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(T, 0); 2289c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2290c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 229172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 229272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 22939752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 22941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 22959752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 229672564e73277e29f6db3305d1f27ba408abb7ed88Douglas GregorQualType ASTContext::getTypeOfExprType(Expr *tofExpr) { 2297dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2298b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2299b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2300b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 23011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2302b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2303b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2304b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2305b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2306b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2307b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 23086b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2309b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 2310b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2311b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor else { 2312b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 23136b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 23146b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2315b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2316b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2317b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2318b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2319dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 23206b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2321dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 23229752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 23239752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2324d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2325d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 23269752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 23279752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 23289752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 23291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 23309752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 2331d1861fd633d5096a00777c918eb8575ea7162fe7Steve NaroffQualType ASTContext::getTypeOfType(QualType tofType) { 2332f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 23336b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 23349752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 23359752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2336d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2337d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 233860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 233960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 234060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlssonstatic QualType getDecltypeForExpr(const Expr *e, ASTContext &Context) { 2341a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2342a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 23431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 234460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 234560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 234660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 234760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 234860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 234960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 235060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 235160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 235260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 235360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 235460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 235560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 235660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 235760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 235860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 23591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 236060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 23611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 236360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 236460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (e->isLvalue(Context) == Expr::LV_Valid) 236560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 23661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 236760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 236860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 236960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2370395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2371395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2372395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 23731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2374395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 2375395b475a4474f1c7574d927ad142ca0c7997cbcaAnders CarlssonQualType ASTContext::getDecltypeType(Expr *e) { 2376dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 23779d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (e->isTypeDependent()) { 23789d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 23799d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 23801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23819d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 23829d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 23839d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 23849d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 23859d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 23869d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 23876b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 23889d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 23899d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 23909d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor else { 23919d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 23926b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 23939d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 23949d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 23959d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 23969d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2397dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 23986b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2399dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2400395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2401395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2402395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2403395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 24045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 24055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 2406e607ed068334bacb8d7b093996b4671c6ca79e25Mike StumpQualType ASTContext::getTagDeclType(const TagDecl *Decl) { 2407d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2408e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2409e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2410e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 24115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 24125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 24131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 24141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 24151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 2416a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 2417b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 24185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 24195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 242064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 242164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 242264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 242364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 242464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 242564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 242664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 242764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 242864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 242964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 243064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 243164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 243264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 243364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 24348b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 24358b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 24368b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 2437b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 24388b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 24398b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 2440e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2441e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 2442e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2443e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 244454e14c4db764c0636160d26c5bbf491637c83a76John McCallCanQualType ASTContext::getCanonicalParamType(QualType T) { 244554e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 244654e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 244754e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 2448745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = getVariableArrayDecayedType(T); 244954e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 245054e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 245154e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 245254e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 245354e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 245454e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 245554e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 245654e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 245754e14c4db764c0636160d26c5bbf491637c83a76John McCall } 245854e14c4db764c0636160d26c5bbf491637c83a76John McCall 245954e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 246054e14c4db764c0636160d26c5bbf491637c83a76John McCall} 246154e14c4db764c0636160d26c5bbf491637c83a76John McCall 246277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// getCanonicalType - Return the canonical (structural) type corresponding to 246377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// the specified potentially non-canonical type. The non-canonical version 246477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// of a type may have many "decorated" versions of types. Decorators can 246577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 246677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// to be free of any of these, allowing two canonical types to be compared 246777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// for exact equality with a simple pointer comparison. 246850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas GregorCanQualType ASTContext::getCanonicalType(QualType T) { 24690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 24700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ptr = Quals.strip(T); 24710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanType = Ptr->getCanonicalTypeInternal(); 24720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 24730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // The canonical internal type will be the canonical type *except* 24740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // that we push type qualifiers down through array types. 24751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If there are no new qualifiers to push down, stop here. 24770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Quals.hasQualifiers()) 247850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(CanType); 2479c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 24800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the type qualifiers are on an array type, get the canonical 24810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type of the array with the qualifiers applied to the element 24820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type. 2483c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner ArrayType *AT = dyn_cast<ArrayType>(CanType); 2484c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (!AT) 24850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return CanQualType::CreateUnsafe(getQualifiedType(CanType, Quals)); 24861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2487c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2488c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 24890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(AT->getElementType(), Quals); 2490c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner NewEltTy = getCanonicalType(NewEltTy); 24911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2492c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 249350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 249450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getConstantArrayType(NewEltTy, CAT->getSize(), 249550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor CAT->getSizeModifier(), 24960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2497c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) 249850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 249950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getIncompleteArrayType(NewEltTy, IAT->getSizeModifier(), 25000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 25011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2502898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor if (DependentSizedArrayType *DSAT = dyn_cast<DependentSizedArrayType>(AT)) 250350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 250450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getDependentSizedArrayType(NewEltTy, 2505bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2506bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 250750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor DSAT->getSizeModifier(), 25080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 250987a924e37dc40c6e3e2b33d1dbd646aeccf4c15bDouglas Gregor DSAT->getBracketsRange())->getCanonicalTypeInternal()); 2510898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2511c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VariableArrayType *VAT = cast<VariableArrayType>(AT); 251250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(getVariableArrayType(NewEltTy, 2513bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 2514bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr()->Retain() : 0, 251550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getSizeModifier(), 25160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 251750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getBracketsRange())); 2518c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 2519c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 252028e318cc6008c2bc008f0caee70dc736a03d6289Chandler CarruthQualType ASTContext::getUnqualifiedArrayType(QualType T, 252128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth Qualifiers &Quals) { 25225535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth Quals = T.getQualifiers(); 25239dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const ArrayType *AT = getAsArrayType(T); 25249dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 25255535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth return T.getUnqualifiedType(); 252628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 252728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 252828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth QualType Elt = AT->getElementType(); 2529c1ae0a8b0022a9fbb50d3413139f36ec5d8a63beZhongxing Xu QualType UnqualElt = getUnqualifiedArrayType(Elt, Quals); 253028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth if (Elt == UnqualElt) 253128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return T; 253228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 25339dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 253428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getConstantArrayType(UnqualElt, CAT->getSize(), 253528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 253628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 253728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 25389dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 253928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getIncompleteArrayType(UnqualElt, IAT->getSizeModifier(), 0); 254028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 254128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 25429dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 25439dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor return getVariableArrayType(UnqualElt, 25449dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeExpr() ? 25459dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeExpr()->Retain() : 0, 25469dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 25479dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 25489dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 25499dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 25509dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 25519dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 255228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getDependentSizedArrayType(UnqualElt, DSAT->getSizeExpr()->Retain(), 255328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 255428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 255528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 255628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 25575a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// UnwrapSimilarPointerTypes - If T1 and T2 are pointer types that 25585a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// may be similar (C++ 4.4), replaces T1 and T2 with the type that 25595a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// they point to and return true. If T1 and T2 aren't pointer types 25605a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// or pointer-to-member types, or if they are not similar at this 25615a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// level, returns false and leaves T1 and T2 unchanged. Top-level 25625a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// qualifiers on T1 and T2 are ignored. This function will typically 25635a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// be called in a loop that successively "unwraps" pointer and 25645a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// pointer-to-member types to compare them at each level. 25655a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregorbool ASTContext::UnwrapSimilarPointerTypes(QualType &T1, QualType &T2) { 25665a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const PointerType *T1PtrType = T1->getAs<PointerType>(), 25675a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2PtrType = T2->getAs<PointerType>(); 25685a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1PtrType && T2PtrType) { 25695a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1PtrType->getPointeeType(); 25705a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2PtrType->getPointeeType(); 25715a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 25725a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 25735a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 25745a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const MemberPointerType *T1MPType = T1->getAs<MemberPointerType>(), 25755a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2MPType = T2->getAs<MemberPointerType>(); 25765a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1MPType && T2MPType && 25775a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor hasSameUnqualifiedType(QualType(T1MPType->getClass(), 0), 25785a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor QualType(T2MPType->getClass(), 0))) { 25795a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1MPType->getPointeeType(); 25805a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2MPType->getPointeeType(); 25815a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 25825a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 25835a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 25845a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (getLangOptions().ObjC1) { 25855a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const ObjCObjectPointerType *T1OPType = T1->getAs<ObjCObjectPointerType>(), 25865a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2OPType = T2->getAs<ObjCObjectPointerType>(); 25875a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1OPType && T2OPType) { 25885a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1OPType->getPointeeType(); 25895a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2OPType->getPointeeType(); 25905a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 25915a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 25925a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 25935a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 25945a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor // FIXME: Block pointers, too? 25955a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 25965a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return false; 25975a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor} 25985a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 25992577743c5650c646fb705df01403707e94f2df04Abramo BagnaraDeclarationNameInfo ASTContext::getNameForTemplate(TemplateName Name, 26002577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation NameLoc) { 260180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (TemplateDecl *TD = Name.getAsTemplateDecl()) 26022577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 26032577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(TD->getDeclName(), NameLoc); 26042577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 260580ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DependentTemplateName *DTN = Name.getAsDependentTemplateName()) { 26062577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName DName; 260780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 26082577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getIdentifier(DTN->getIdentifier()); 26092577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc); 261080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 26112577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getCXXOperatorName(DTN->getOperator()); 26122577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: FIXME: source locations? 26132577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc DNLoc; 26142577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.BeginOpNameLoc = SourceLocation().getRawEncoding(); 26152577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.EndOpNameLoc = SourceLocation().getRawEncoding(); 26162577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc, DNLoc); 261780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 261880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 261980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 26200bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 26210bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(Storage); 26222577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 26232577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo((*Storage->begin())->getDeclName(), NameLoc); 262480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 262580ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 262625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas GregorTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) { 26273e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateDecl *Template = Name.getAsTemplateDecl()) { 26283e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTemplateParmDecl *TTP 26293e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = dyn_cast<TemplateTemplateParmDecl>(Template)) 26303e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Template = getCanonicalTemplateTemplateParmDecl(TTP); 26313e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 26323e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // The canonical template name is the canonical template declaration. 263397fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 26343e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 263525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 26360bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(!Name.getAsOverloadedTemplate()); 26371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 263825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 263925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor assert(DTN && "Non-dependent template names must refer to template decls."); 264025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor return DTN->CanonicalTemplateName; 264125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 264225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 2643db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 2644db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 2645db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 2646db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 2647db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 2648db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 26491eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 26501275ae098acda31fe0e434510c729fcfed0458a1Douglas GregorASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) { 26511275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 26521275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 26531275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 26541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26551275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 26561275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 26571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26581275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 2659833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 26601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2661788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 2662788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 2663788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor 26641275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 2665833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 26661275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 26671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26681275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 2669833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 26701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26711275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 26721275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // FIXME: Allocate in ASTContext 26731275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument *CanonArgs = new TemplateArgument[Arg.pack_size()]; 26741275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 26751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 26761275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 26771275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 26781275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 26791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26801275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument Result; 26811275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor Result.setArgumentPack(CanonArgs, Arg.pack_size(), false); 26821275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Result; 26831275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 26841275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 26851275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 26861275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 26871275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 26881275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 26891275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 26901275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 2691d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 2692d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) { 26931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 2694d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2695d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2696d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 2697d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 2698d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 26991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 2700d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 2701d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 2702d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2703d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 2704d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 2705d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 2706d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NestedNameSpecifier::Create(*this, 0, NNS->getAsNamespace()); 2707d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2708d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 2709d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 2710d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 27111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 0, 27121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NNS->getKind() == NestedNameSpecifier::TypeSpecWithTemplate, 2713d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor T.getTypePtr()); 2714d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2715d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2716d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 2717d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 2718d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 2719d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2720d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2721d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 2722d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2723d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2724d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2725c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2726c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerconst ArrayType *ASTContext::getAsArrayType(QualType T) { 2727c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 2728a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 2729c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 2730c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 2731c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 2732c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 27331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 2735c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType CType = T->getCanonicalTypeInternal(); 27360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<ArrayType>(CType)) 2737c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 27381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 2740c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 2741c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 27421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2743c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 2744c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 274550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 27460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 27470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 27480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ty = Qs.strip(T.getDesugaredType()); 27491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2750c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 2751c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *ATy = dyn_cast<ArrayType>(Ty); 27520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ATy == 0 || Qs.empty()) 2753c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 27541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2755c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 2756c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 2757c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2758c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 27590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), Qs); 27601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2761c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 2762c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 2763c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 27640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2765c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 2766c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 2767c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 27680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 2769898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 27701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 2771898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 2772898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 27731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 2774bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2775bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 2776898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 27770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 27787e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 27791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2780c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 27817e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 2782bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 27830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getSizeExpr()->Retain() : 0, 2784c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 27850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 27867e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 278777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 278877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 2789e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 2790e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 2791e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 2792e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 2793e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 2794e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 2795e6327747b72bb687c948270f702ff53c30f411a6Chris LattnerQualType ASTContext::getArrayDecayedType(QualType Ty) { 2796c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 2797c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 2798c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 2799c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 2800c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 2801c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 28021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2803c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 2804e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 2805e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 28060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 2807e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 2808e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 28095e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas GregorQualType ASTContext::getBaseElementType(QualType QT) { 28100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 28110237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer while (const ArrayType *AT = getAsArrayType(QualType(Qs.strip(QT), 0))) 28120237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer QT = AT->getElementType(); 28130237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer return Qs.apply(QT); 28145e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 28155e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 2816fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders CarlssonQualType ASTContext::getBaseElementType(const ArrayType *AT) { 2817fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson QualType ElemTy = AT->getElementType(); 28181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2819fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson if (const ArrayType *AT = getAsArrayType(ElemTy)) 2820fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson return getBaseElementType(AT); 28211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28226183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson return ElemTy; 28236183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 28246183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 28250de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 28261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 28270de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 28280de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 28290de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 28300de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 28310de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 28320de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 28330de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 28340de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 28350de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 28365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 28375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 2838a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 2839183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 28405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 2841a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 2842183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 2843183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 2844a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 28455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 28465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 28475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 28485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 28495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 28505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 28511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 28521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 2853716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 2854716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 28551361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 28561361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 28571361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 28581361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 28591361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 2860716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 2861f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 2862f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 2863f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 2864f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 2865f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 28661361b11066239ea15764a2a844405352d87296b3Chris Lattner 28671361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 28681361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 28691361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 28701361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 28711361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 28721361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 28735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 28745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 28755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 28767cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 28777cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 28787cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 28791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 2880a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) { 2881a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 2882a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 28831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2884a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 2885fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 2886a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 2887fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 2888fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 28895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 28905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2891f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 2892f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 2893f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 2894f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanunsigned ASTContext::getIntegerRank(Type *T) { 2895467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 2896f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman if (EnumType* ET = dyn_cast<EnumType>(T)) 2897842aef8d942a880eeb9535d40de31a86838264cbJohn McCall T = ET->getDecl()->getPromotionType().getTypePtr(); 2898f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 2899a34267595534a72703290153a6f7e3da1adcec59Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::WChar)) 2900a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 2901a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 2902f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 2903f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 2904f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2905f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 2906f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 2907f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2908f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 29097cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 29107cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 2911f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 29127cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 29137cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 29147cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 29157cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 2916f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 29177cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 29187cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 2919f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 29207cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 29217cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 2922f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 29237cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 29247cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 2925f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 29267cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 29277cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 2928f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 29292df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 29302df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 29312df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 2932f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 2933f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 2934f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 293504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 293604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 293704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 293804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 293904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 294004e8357f6801e9ff52673e7e899a67bbabf9de93Eli FriedmanQualType ASTContext::isPromotableBitField(Expr *E) { 2941ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor if (E->isTypeDependent() || E->isValueDependent()) 2942ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor return QualType(); 2943ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor 294404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 294504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 294604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 294704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 294804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 294904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 295004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 295104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 295204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 295304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 295404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 295504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 295604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 295704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 295804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 295904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 296004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 296104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 296204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 296304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 296404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 296504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 296604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 296704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 296804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 2969a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 2970a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 2971a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 2972a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType ASTContext::getPromotedIntegerType(QualType Promotable) { 2973a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 2974a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 2975842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 2976842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 2977a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 2978a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 2979a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 2980a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 2981a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 2982a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 2983a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 2984a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 29851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 29867cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 29871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 29887cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattnerint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) { 2989f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *LHSC = getCanonicalType(LHS).getTypePtr(); 2990f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *RHSC = getCanonicalType(RHS).getTypePtr(); 29917cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 29921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2993f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 2994f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 29951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29967cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 29977cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 29981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29997cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 30007cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 30017cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 30027cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 30031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30047cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 30057cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 30067cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 30077cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 30087cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 30091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30107cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 30117cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 30121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 30137cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 30147cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 30157cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 30167cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 30177cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 30187cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 30191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30207cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 30217cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 30221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 30237cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 30245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 302571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 302679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 302779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders CarlssonCreateRecordDecl(ASTContext &Ctx, RecordDecl::TagKind TK, DeclContext *DC, 302879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson SourceLocation L, IdentifierInfo *Id) { 302979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 303079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return CXXRecordDecl::Create(Ctx, TK, DC, L, Id); 303179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 303279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return RecordDecl::Create(Ctx, TK, DC, L, Id); 303379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 303479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 30351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 303671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders CarlssonQualType ASTContext::getCFConstantStringType() { 303771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 30381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 3039465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 304079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 30415cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 304279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 3043f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 30441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 304571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 30460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 3047f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 3048f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 304971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 30500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 305171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 30521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 30531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 305444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 305544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 30561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 305744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 3058a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 30591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 30604afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 30612888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 306217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 306344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 306444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 3065838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 306671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 30671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 306871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 30698467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 3070b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3071319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 30726217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3073319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 3074319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 3075319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3076319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 30772bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian// getNSConstantStringType - Return the type used for constant NSStrings. 30782bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz JahanianQualType ASTContext::getNSConstantStringType() { 30792bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian if (!NSConstantStringTypeDecl) { 30802bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = 3081465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 30822bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian &Idents.get("__builtin_NSString")); 30832bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->startDefinition(); 30842bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 30852bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType FieldTypes[3]; 30862bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 30872bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const int *isa; 30882bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[0] = getPointerType(IntTy.withConst()); 30892bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const char *str; 30902bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[1] = getPointerType(CharTy.withConst()); 30912bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // unsigned int length; 30922bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[2] = UnsignedIntTy; 30932bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 30942bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // Create fields 30952bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian for (unsigned i = 0; i < 3; ++i) { 30962bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldDecl *Field = FieldDecl::Create(*this, NSConstantStringTypeDecl, 30972bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian SourceLocation(), 0, 30982bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[i], /*TInfo=*/0, 30992bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*BitWidth=*/0, 31002bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*Mutable=*/false); 31012888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 31022bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->addDecl(Field); 31032bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 31042bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31052bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->completeDefinition(); 31062bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 31072bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31082bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return getTagDeclType(NSConstantStringTypeDecl); 31092bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 31102bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31112bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanianvoid ASTContext::setNSConstantStringType(QualType T) { 31122bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian const RecordType *Rec = T->getAs<RecordType>(); 31132bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian assert(Rec && "Invalid NSConstantStringType"); 31142bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = Rec->getDecl(); 31152bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 31162bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31171eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getObjCFastEnumerationStateType() { 3118bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 311944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 3120465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 312179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__objcFastEnumerationState")); 31225cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall ObjCFastEnumerationStateTypeDecl->startDefinition(); 31231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3124bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 3125bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 3126de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff getPointerType(ObjCIdTypedefType), 3127bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 3128bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 3129bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 3130bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 31311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 313244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 31331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, 31341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCFastEnumerationStateTypeDecl, 31351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 3136a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 31371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 31384afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 31392888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 314017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ObjCFastEnumerationStateTypeDecl->addDecl(Field); 314144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 31421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3143838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(); 3144bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 31451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3146bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 3147bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 3148bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 3149adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike StumpQualType ASTContext::getBlockDescriptorType() { 3150adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 3151adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3152adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3153adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3154adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 3155465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 315679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 31575cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3158adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3159adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3160adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3161adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3162adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3163adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3164adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3165adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 3166083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 3167adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3168adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3169adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 3170adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump FieldDecl *Field = FieldDecl::Create(*this, 3171adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T, 3172adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 3173adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3174a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3175adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 3176adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*Mutable=*/false); 31772888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3178adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3179adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3180adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3181838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3182adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3183adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 3184adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3185adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3186adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3187adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3188adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stumpvoid ASTContext::setBlockDescriptorType(QualType T) { 3189adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3190adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3191adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = Rec->getDecl(); 3192adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3193adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3194083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike StumpQualType ASTContext::getBlockDescriptorExtendedType() { 3195083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 3196083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3197083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3198083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 3199083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 3200465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 320179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 32025cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3203083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3204083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 3205083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3206083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3207083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 3208083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 3209083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3210083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3211083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 3212083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 3213083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 3214083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 3215083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 3216083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3217083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3218083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 3219083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump FieldDecl *Field = FieldDecl::Create(*this, 3220083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T, 3221083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 3222083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 3223a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3224083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 3225083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*Mutable=*/false); 32262888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3227083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 3228083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 3229083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3230838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3231083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3232083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 3233083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3234083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3235083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3236083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3237083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stumpvoid ASTContext::setBlockDescriptorExtendedType(QualType T) { 3238083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3239083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3240083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = Rec->getDecl(); 3241083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3242083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3243af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stumpbool ASTContext::BlockRequiresCopying(QualType Ty) { 3244af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isBlockPointerType()) 3245af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3246af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (isObjCNSObjectType(Ty)) 3247af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3248af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isObjCObjectPointerType()) 3249af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3250af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3251af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3252af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 32534087f27e5416c799bcb6be072f905be752acb61cDaniel DunbarQualType ASTContext::BuildByRefType(llvm::StringRef DeclName, QualType Ty) { 3254af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3255ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3256af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3257ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3258ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 3259a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__copy_helper; // as needed 3260a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__destroy_help // as needed 3261af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3262ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3263ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3264af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3265af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3266af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 3267f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3268f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3269f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3270af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3271465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 327279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 3273af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3274af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3275af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3276af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3277af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3278af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3279af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3280af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3281af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3282af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3283af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3284af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3285af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 32864087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef FieldNames[] = { 3287af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3288af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3289af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3290af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3291af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3292af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3293af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3294af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3295af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3296af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3297af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3298af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3299af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3300af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3301a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3302af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /*BitWidth=*/0, /*Mutable=*/false); 33032888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3304af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3305af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3306af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3307838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3308af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3309af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3310ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3311ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3312ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3313ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike StumpQualType ASTContext::getBlockParmType( 3314083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump bool BlockHasCopyDispose, 3315ea1471e0e967548c596a71469702f8846dbaf3c0John McCall llvm::SmallVectorImpl<const Expr *> &Layout) { 3316ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 3317adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Move up 3318f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3319f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__block_literal_" 3320f5942a44880be26878592eb052b737579349411eBenjamin Kramer << ++UniqueBlockParmTypeID; 3321adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3322465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 332379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 33245cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3325adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3326adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3327adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3328adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3329adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3330083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump (BlockHasCopyDispose ? 3331083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorExtendedType()) : 3332083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorType())) 3333adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3334adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3335adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3336adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__isa", 3337adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__flags", 3338adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__reserved", 3339adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__FuncPtr", 3340adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__descriptor" 3341adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3342adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3343adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 5; ++i) { 3344ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3345adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3346a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3347ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 33482888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3349ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump T->addDecl(Field); 3350ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3351ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3352ea1471e0e967548c596a71469702f8846dbaf3c0John McCall for (unsigned i = 0; i < Layout.size(); ++i) { 3353ea1471e0e967548c596a71469702f8846dbaf3c0John McCall const Expr *E = Layout[i]; 3354ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 3355ea1471e0e967548c596a71469702f8846dbaf3c0John McCall QualType FieldType = E->getType(); 3356ea1471e0e967548c596a71469702f8846dbaf3c0John McCall IdentifierInfo *FieldName = 0; 3357ea1471e0e967548c596a71469702f8846dbaf3c0John McCall if (isa<CXXThisExpr>(E)) { 3358ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName = &Idents.get("this"); 3359ea1471e0e967548c596a71469702f8846dbaf3c0John McCall } else if (const BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(E)) { 3360ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const ValueDecl *D = BDRE->getDecl(); 3361ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName = D->getIdentifier(); 3362ea1471e0e967548c596a71469702f8846dbaf3c0John McCall if (BDRE->isByRef()) 33634087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FieldType = BuildByRefType(D->getName(), FieldType); 3364ea1471e0e967548c596a71469702f8846dbaf3c0John McCall } else { 3365ea1471e0e967548c596a71469702f8846dbaf3c0John McCall // Padding. 3366ea1471e0e967548c596a71469702f8846dbaf3c0John McCall assert(isa<ConstantArrayType>(FieldType) && 3367ea1471e0e967548c596a71469702f8846dbaf3c0John McCall isa<DeclRefExpr>(E) && 3368ea1471e0e967548c596a71469702f8846dbaf3c0John McCall !cast<DeclRefExpr>(E)->getDecl()->getDeclName() && 3369ea1471e0e967548c596a71469702f8846dbaf3c0John McCall "doesn't match characteristics of padding decl"); 3370ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3371ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3372ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3373ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName, FieldType, /*TInfo=*/0, 3374ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 33752888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3376adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3377adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3378adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3379838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3380ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3381ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump return getPointerType(getTagDeclType(T)); 3382adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3383adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3384319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setObjCFastEnumerationStateType(QualType T) { 33856217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3386319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid ObjCFAstEnumerationStateType"); 3387319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCFastEnumerationStateTypeDecl = Rec->getDecl(); 3388319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3389319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 3390e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3391e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 33922d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3393e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3394bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3395bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 33961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 339785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 339885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 339985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3400a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 340133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 3402aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen DyckCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) { 3403199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 34041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 340533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 34062ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor if (sz.isPositive() && type->isIntegralOrEnumerationType()) 3407199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 340833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 340933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3410199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3411aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3412199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3413199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3414199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3415199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3416199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 341733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 341833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 34196f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian/// getObjCEncodingForBlockDecl - Return the encoded type for this block 34205e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 34215e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnallvoid ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr, 34225e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall std::string& S) { 34235e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 34245e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 34255e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 34265e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 3427c71a4915ca216847599d03cab4ed1c5086b0eb43John McCall getObjCEncodingForType(BlockTy->getAs<FunctionType>()->getResultType(), S); 34285e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 34295e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 34305e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 34315e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3432199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3433199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 34346f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 34355e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 34365e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3437aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3438199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 34395e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 34405e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 34415e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3442199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 34435e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 34445e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 34455e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 34465e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 34475e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 34485e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 34495e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 34505e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 34515e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 34525e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 34535e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 34545e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 34555e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 34565e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 34575e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 34585e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 34595e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 34605e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 34615e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 3462199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3463aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 34645e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 34655e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 34665e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 3467a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 346833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 34691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 3470e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3471c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3472ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 3473a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 347433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 34750d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 347633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 347733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 347833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 347933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 3480199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 348133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 348233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 3483199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 348489951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 34857732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 348689951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 3487aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3488199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 3489199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 349033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 349133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 3492199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 349333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 3494199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 34951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 349633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 349733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 349889951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 34997732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 350089951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 35011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 35024306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 3503ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 3504ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 3505ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 3506bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 3507ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3508ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 3509ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3510ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 351133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 35124306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 35130d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 3514199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3515aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 351633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 351733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 351833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 3519c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 352083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 3521c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 3522c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 35231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 35241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 35251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 35261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 35271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 352883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 352983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 353083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 353183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 353283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 353383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 353483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 353583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 353683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 353783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 353883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 353983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 354083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 354183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 354283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 354383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 35441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 3545c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 3546e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3547c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 3548c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 3549c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 3550c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3551c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 3552c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 35531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 3554c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 3555c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 355617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 3557653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3558c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3559c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3560c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3561c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3562c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3563c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3564c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3565c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3566c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3567c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 356861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 3569c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 357017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 3571653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3572c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3573c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3574c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3575c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3576c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3577c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3578c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3579c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 35801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3581c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3582c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3583c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3584c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3585c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 3586c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3587c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 3588090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 3589090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 35901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 3591090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 3592090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 3593c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3594c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 3595c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 3596c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3597c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 3598c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 3599c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 36001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 3601c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3602c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3603c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3604c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 3605c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 3606c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 3607c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 3608c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3609090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 3610090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 36111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3612c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 3613c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 3614077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 3615c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3616c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3617c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 3618c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 3619077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 3620c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3621c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3622c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 3623c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 3624c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 362539f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 3626c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3627c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3628c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 3629c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 3630c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3631a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 36321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 36331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 3634a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 3635a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 3636a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 36378e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 3638183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 3639c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::ULong && 3640c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3641a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 36421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 3643c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::Long && 3644c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3645a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 3646a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3647a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3648a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 3649a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 36507d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 3651153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field) { 365282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 365382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 365482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 365582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 36561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 36575b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 365882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 365982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 366064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnallstatic char ObjCEncodingForPrimitiveKind(const ASTContext *C, QualType T) { 366164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall switch (T->getAs<BuiltinType>()->getKind()) { 366264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall default: assert(0 && "Unhandled builtin type kind"); 366364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Void: return 'v'; 366464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Bool: return 'B'; 366564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_U: 366664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UChar: return 'C'; 366764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UShort: return 'S'; 366864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt: return 'I'; 366964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULong: 367064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return 367164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall (const_cast<ASTContext *>(C))->getIntWidth(T) == 32 ? 'L' : 'Q'; 367264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt128: return 'T'; 367364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULongLong: return 'Q'; 367464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_S: 367564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::SChar: return 'c'; 367664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Short: return 's'; 367724da7093a84e4eb92731e0565ab655697b2ed08fJohn McCall case BuiltinType::WChar: 367864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int: return 'i'; 367964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Long: 368064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return 368164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall (const_cast<ASTContext *>(C))->getIntWidth(T) == 32 ? 'l' : 'q'; 368264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongLong: return 'q'; 368364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int128: return 't'; 368464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Float: return 'f'; 368564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Double: return 'd'; 368664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongDouble: return 'd'; 368764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 368864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall} 368964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall 36901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic void EncodeBitField(const ASTContext *Context, std::string& S, 369164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall QualType T, const FieldDecl *FD) { 36928b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 36938b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 36948b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian ASTContext *Ctx = const_cast<ASTContext*>(Context); 36958b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 369664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The NeXT runtime encodes bit fields as b followed by the number of bits. 369764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The GNU runtime requires more information; bitfields are encoded as b, 369864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // then the offset (in bits) of the first element, then the type of the 369964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // bitfield, then the size in bits. For example, in this structure: 370064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // 370164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // struct 370264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // { 370364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int integer; 370464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int flags:2; 370564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // }; 370664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // On a 32-bit system, the encoding for flags would be b2 for the NeXT 370764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // runtime, but b32i2 for the GNU runtime. The reason for this extra 370864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // information is not especially sensible, but we're stuck with it for 370964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // compatibility with GCC, although providing it breaks anything that 371064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // actually uses runtime introspection and wants to work on both runtimes... 371164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (!Ctx->getLangOptions().NeXTRuntime) { 371264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const RecordDecl *RD = FD->getParent(); 371364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const ASTRecordLayout &RL = Ctx->getASTRecordLayout(RD); 371464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // FIXME: This same linear search is also used in ExprConstant - it might 371564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // be better if the FieldDecl stored its offset. We'd be increasing the 371664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // size of the object slightly, but saving some time every time it is used. 371764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned i = 0; 371864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall for (RecordDecl::field_iterator Field = RD->field_begin(), 371964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall FieldEnd = RD->field_end(); 372064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall Field != FieldEnd; (void)++Field, ++i) { 372164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (*Field == FD) 372264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall break; 372364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 372464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += llvm::utostr(RL.getFieldOffset(i)); 372564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(Context, T); 372664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 372764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 37288b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 37298b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 37308b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 373101eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 373282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 373382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 373482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 3735153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 3736090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 37376ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty) { 373864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (T->getAs<BuiltinType>()) { 3739ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 374064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return EncodeBitField(this, S, T, FD); 374164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(this, T); 3742ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3743ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3745183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 3746c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 37471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 3748c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 3749ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3750ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 375160bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 3752aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 3753aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 37546217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 37558d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 37568d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 37578d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 37588d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 3759aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 3760aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 3761aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 3762aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 3763aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 3764a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 3765a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 3766a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 3767a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 37681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 37698e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 3770a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 3771a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3772a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3773a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 37749fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 3775a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 37766217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 37776217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 3778a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 3779a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3780a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3781a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3782a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3783a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 3784a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 3785a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 3786a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 37870237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer if (llvm::StringRef(S).endswith("nr")) 37880237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 3789a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 37901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 379185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 379285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 379385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 3794e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 379585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 379685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 379785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 37986217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 37999533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 38009533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 38019533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 38029533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 38039533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 38049533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 38059533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 38069533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 38079533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 38089533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 38099533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 381085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 381185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 3812a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 3813a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 38141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 381543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 3816ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3817ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3818aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 3819ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 3820ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 3821ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 3822559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (isa<IncompleteArrayType>(AT)) { 3823559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 3824559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 3825559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 38261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3827559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3828559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 3829559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 38301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3831559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 3832559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += llvm::utostr(CAT->getSize().getZExtValue()); 3833559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson else { 3834559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 3835559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson assert(isa<VariableArrayType>(AT) && "Unknown array type!"); 3836559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 3837559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 38381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3840559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3841559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 3842559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 3843ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3844ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 38451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3846183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 3847c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 3848ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3849ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 38501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38516217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 385282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 3853d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 3854502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 3855502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 3856502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 38576fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 38586fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 38596fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 38606fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 38616fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 38626fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian TemplateArgs.getFlatArgumentList(), 38636fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian TemplateArgs.flat_size(), 38646fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian (*this).PrintingPolicy); 38656fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 38666fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 38676fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 3868502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 3869502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 3870502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 38710d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 38727d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 387317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 387417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 387544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor Field != FieldEnd; ++Field) { 387643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (FD) { 3877d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 387844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor S += Field->getNameAsString(); 3879d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 3880d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 38811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3882d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar // Special case bit-fields. 388343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (Field->isBitField()) { 38841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 388543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian (*Field)); 3886d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } else { 3887a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType qt = Field->getType(); 3888a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(qt); 38891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(qt, S, false, true, 389043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 3891d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 38927d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 38936de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 3894d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 3895ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3896ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3897e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 3898ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 38998b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 390064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall EncodeBitField(this, S, T, FD); 39018b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 39028b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 3903ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3904ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 39051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3906ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 390721a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 3908ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3909ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 39101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3911c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 3912c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 3913c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 3914c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 39150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 391643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 39170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 391843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 391943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 392043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 392143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 39222c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian llvm::SmallVector<ObjCIvarDecl*, 32> Ivars; 39232c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(OI, true, Ivars); 39242c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (unsigned i = 0, e = Ivars.size(); i != e; ++i) { 39252c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian FieldDecl *Field = cast<FieldDecl>(Ivars[i]); 39262c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (Field->isBitField()) 39272c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, Field); 392843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 39292c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, FD); 393043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 393143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 3932ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 393343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 39341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3935183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 393614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 393714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 393814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3939ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 39401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 394127d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 394227d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 394327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 394427d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 394514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 394614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3947ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 39481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3949ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 39501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 395114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 395214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 395314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 395414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 395514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 395614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 395767ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 395867ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 395914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 396014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 396114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 396214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 396314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 396414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 396514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3966ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 39671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3968ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 3969ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 3970ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 3971ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 39721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 3973ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 3974ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 39751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 39761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 3977ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 397814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 397914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3980ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 3981ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 398227d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 3983ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 398427d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 398567ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 398667ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 3987ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 3988ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 3989ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 39901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3991ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 3992ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3993ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3994ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 39951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3996532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 3997532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 3998532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 3999532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 4000e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4001e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian if (T->isVectorType()) { 4002e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // This matches gcc's encoding, even though technically it is 4003e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // insufficient. 4004e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // FIXME. We should do a better job than gcc. 4005e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian return; 4006e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian } 4007e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4008ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 400985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 401085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 40111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 4012ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 4013ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 4014ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 4015ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 4016ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 4017ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 4018ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 4019ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 4020ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 4021ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 4022ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 4023ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 4024ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 4025ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 4026ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 4027ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 4028b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 40291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4030b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 4031b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 4032b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 4033ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCIdType(QualType T) { 4034de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = T; 40357e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 40367e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 4037ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCSelType(QualType T) { 403813dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = T; 4039b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 4040b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 4041ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 4042a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 4043390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 4044390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 4045ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCClassType(QualType T) { 4046de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = T; 40478baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 40488baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 4049a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 40501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 40512198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 40521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4053a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 40542198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 40552198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 40560bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 40570bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 4058eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCallTemplateName ASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 4059eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall UnresolvedSetIterator End) { 40600bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 40610bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 40627532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 40630bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 40640bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 40650bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 40660bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 40670bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 4068eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 40690bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 40700bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 40710bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 40720bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 40730bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 40747532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 40757532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 40760bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 40777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 40787532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4079d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 4080d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 40811eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 4082d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor bool TemplateKeyword, 40830bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall TemplateDecl *Template) { 4084789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 4085d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 4086d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 40871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4088d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 4089d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 40900bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4091d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 4092d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 4093d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 4094d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 40951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4096d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 4097d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 4098d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 40997532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 41007532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 41011eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 41027532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name) { 41031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 41043b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 41057532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 41067532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 41077532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 41087532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 41097532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 41107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 41117532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 41127532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 41137532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 41147532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 41157532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 41167532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 41177532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 41187532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 41197532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 41207532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 41217532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 4122789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 4123789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4124789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 4125789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 41267532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 41277532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 41287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 41297532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 41307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 41317532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4132ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 4133ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 4134ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 4135ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 4136ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Operator) { 4137ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 4138ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 4139ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4140ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 4141ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 4142ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4143ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 4144789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 4145789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4146ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4147ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 4148ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4149ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4150ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 4151ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 4152ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 4153ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 4154ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 4155ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 4156789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 4157789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 4158789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4159789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 4160789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 4161ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 4162ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4163ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 4164ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4165ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 4166ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4167b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 4168d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 4169d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 4170e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 4171b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 4172e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 4173b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 4174b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 4175b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 4176b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 4177b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 4178b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 4179b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 4180b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 4181b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 4182b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 4183b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 4184e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 4185b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 4186b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4187b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4188b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 4189b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4190b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4191fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// isObjCNSObjectType - Return true if this is an NSObject object using 4192fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// NSObject attribute on a c-style pointer type. 4193fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// FIXME - Make it work directly on types. 4194f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff/// FIXME: Move to Type. 4195fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// 4196fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanianbool ASTContext::isObjCNSObjectType(QualType Ty) const { 4197fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefType *TDT = dyn_cast<TypedefType>(Ty)) { 4198fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefDecl *TD = TDT->getDecl()) 419940b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (TD->getAttr<ObjCNSObjectAttr>()) 4200fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return true; 4201fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian } 42021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return false; 4203fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian} 4204fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 42054fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 42064fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 42074fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 42080953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(const QualType &Ty) const { 42090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttrs = Qualifiers::GCNone; 42104fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian if (getLangOptions().ObjC1 && 42114fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian getLangOptions().getGCMode() != LangOptions::NonGC) { 4212b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner GCAttrs = Ty.getObjCGCAttr(); 42134fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian // Default behavious under objective-c's gc is for objective-c pointers 42141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // (or pointers to them) be treated as though they were declared 4215a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian // as __strong. 42160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GCAttrs == Qualifiers::GCNone) { 421775212ee91313bc1b6dd826d9b173541bc4016539Fariborz Jahanian if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 42180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GCAttrs = Qualifiers::Strong; 4219a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian else if (Ty->isPointerType()) 42206217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 4221a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian } 4222c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // Non-pointers have none gc'able attribute regardless of the attribute 4223c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // set on them. 4224f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff else if (!Ty->isAnyPointerType() && !Ty->isBlockPointerType()) 42250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 42264fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 4227b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 42284fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 42294fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 42306ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 42316ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 42326ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 4233770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 42341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 42356ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 42366ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 42376ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 4238467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 42396ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 424061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 42416ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 42426ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4243255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregorbool ASTContext::areCompatibleVectorTypes(QualType FirstVec, 4244255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor QualType SecondVec) { 4245255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(FirstVec->isVectorType() && "FirstVec should be a vector type"); 4246255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(SecondVec->isVectorType() && "SecondVec should be a vector type"); 4247255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4248255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (hasSameUnqualifiedType(FirstVec, SecondVec)) 4249255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4250255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4251255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor // AltiVec vectors types are identical to equivalent GCC vector types 4252255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *First = FirstVec->getAs<VectorType>(); 4253255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *Second = SecondVec->getAs<VectorType>(); 4254255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if ((((First->getAltiVecSpecific() == VectorType::AltiVec) && 4255255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor (Second->getAltiVecSpecific() == VectorType::NotAltiVec)) || 4256255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor ((First->getAltiVecSpecific() == VectorType::NotAltiVec) && 4257255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor (Second->getAltiVecSpecific() == VectorType::AltiVec))) && 4258255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor hasSameType(First->getElementType(), Second->getElementType()) && 4259255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor (First->getNumElements() == Second->getNumElements())) 4260255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4261255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4262255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return false; 4263255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor} 4264255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 42654084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 42664084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 42674084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 42684084c306635b70f37029dca938444e6013f08684Steve Naroff 42694084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 42704084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 42710fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanianbool ASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 42720fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian ObjCProtocolDecl *rProto) { 42734084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 427414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 42754084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 42764084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 42774084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 42784084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 42794084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 42804084c306635b70f37029dca938444e6013f08684Steve Naroff} 428114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 42824084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 42834084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 42844084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 42854084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 42864084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 42874084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 42884084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 42894084c306635b70f37029dca938444e6013f08684Steve Naroff} 42904084c306635b70f37029dca938444e6013f08684Steve Naroff 4291a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// ObjCQualifiedClassTypesAreCompatible - compare Class<p,...> and 4292a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// Class<p1, ...>. 4293a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanianbool ASTContext::ObjCQualifiedClassTypesAreCompatible(QualType lhs, 4294a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType rhs) { 4295a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *lhsQID = lhs->getAs<ObjCObjectPointerType>(); 4296a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 4297a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian assert ((lhsQID && rhsOPT) && "ObjCQualifiedClassTypesAreCompatible"); 4298a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4299a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 4300a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = lhsQID->qual_end(); I != E; ++I) { 4301a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian bool match = false; 4302a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *lhsProto = *I; 4303a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 4304a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = rhsOPT->qual_end(); J != E; ++J) { 4305a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 4306a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto)) { 4307a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian match = true; 4308a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian break; 4309a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4310a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4311a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (!match) 4312a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return false; 4313a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4314a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return true; 4315a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian} 4316a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 43174084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 43184084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 43194084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 43204084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 43214084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 43221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 43234084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 43244084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 43251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 43264084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 43274084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 43284084c306635b70f37029dca938444e6013f08684Steve Naroff 43294084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 4330183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 43311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43324084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 43331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43344084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 43351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 43364084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 43374084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 43384084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 43394084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 43404084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 43414084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 43424084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 43430fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 43444084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 43454084c306635b70f37029dca938444e6013f08684Steve Naroff } 43464084c306635b70f37029dca938444e6013f08684Steve Naroff } 43474084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 43484084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 43494084c306635b70f37029dca938444e6013f08684Steve Naroff } 43501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 43514084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 43524084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 43534084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 43544084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 4355de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 4356de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 4357de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 4358de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 43594084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 43604084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 43614084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 43624084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 43634084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 43644084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 43658f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 43668f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 4367de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 43681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 43694084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 43704084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 43714084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 43724084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 43734084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 43744084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 43754084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 43760fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 43774084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 43784084c306635b70f37029dca938444e6013f08684Steve Naroff break; 43794084c306635b70f37029dca938444e6013f08684Steve Naroff } 43804084c306635b70f37029dca938444e6013f08684Steve Naroff } 43814084c306635b70f37029dca938444e6013f08684Steve Naroff } 43824084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 4383de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 4384de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 43851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4386de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 4387de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 43881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43894084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 43904084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 43914084c306635b70f37029dca938444e6013f08684Steve Naroff 43921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 43934084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 43944084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhsOPT->qual_empty()) { 43954084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 43964084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 43974084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = rhsQID->qual_begin(), 43984084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); I != E; ++I) { 4399d1909bbc8aa8b468527250766c8f4e67379da2d6Fariborz Jahanian // when comparing an id<P> on rhs with a static type on lhs, 4400d1909bbc8aa8b468527250766c8f4e67379da2d6Fariborz Jahanian // static class must implement all of id's protocols directly or 4401d1909bbc8aa8b468527250766c8f4e67379da2d6Fariborz Jahanian // indirectly through its super class. 4402192b1464dce385ac1947eb8258c3a0cd4444c726Fariborz Jahanian if (lhsID->ClassImplementsProtocol(*I, true)) { 44034084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 44044084c306635b70f37029dca938444e6013f08684Steve Naroff break; 44054084c306635b70f37029dca938444e6013f08684Steve Naroff } 44064084c306635b70f37029dca938444e6013f08684Steve Naroff } 44074084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 44084084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 44094084c306635b70f37029dca938444e6013f08684Steve Naroff } 44104084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 44114084c306635b70f37029dca938444e6013f08684Steve Naroff } 44121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 44134084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 44144084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 44154084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 44164084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 44174084c306635b70f37029dca938444e6013f08684Steve Naroff 44184084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 44194084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 44204084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 44214084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 44224084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 44234084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 44244084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 44254084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 44264084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 44274084c306635b70f37029dca938444e6013f08684Steve Naroff break; 44284084c306635b70f37029dca938444e6013f08684Steve Naroff } 44294084c306635b70f37029dca938444e6013f08684Steve Naroff } 44304084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 44314084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 44324084c306635b70f37029dca938444e6013f08684Steve Naroff } 44334084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 44344084c306635b70f37029dca938444e6013f08684Steve Naroff } 44354084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 44364084c306635b70f37029dca938444e6013f08684Steve Naroff} 44374084c306635b70f37029dca938444e6013f08684Steve Naroff 44384084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 44394084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 44404084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 44414084c306635b70f37029dca938444e6013f08684Steve Naroff/// 44424084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 44434084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 4444c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4445c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4446c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 44474084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 4448c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 4449c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 44504084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 44514084c306635b70f37029dca938444e6013f08684Steve Naroff 4452c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 44531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 44541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 44554084c306635b70f37029dca938444e6013f08684Steve Naroff false); 4456a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4457a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (LHS->isObjCQualifiedClass() && RHS->isObjCQualifiedClass()) 4458a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return ObjCQualifiedClassTypesAreCompatible(QualType(LHSOPT,0), 4459a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType(RHSOPT,0)); 4460a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4461c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 4462c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 44634084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 44641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44654084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 446614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 446714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4468132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 4469132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// for providing type-safty for objective-c pointers used to pass/return 4470132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 4471132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 4472132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 4473132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 4474132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4475132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *RHSOPT) { 4476a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 4477132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4478132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4479132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 4480132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 4481132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4482132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4483a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 4484132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 4485132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 4486132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 4487132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4488132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 4489132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 4490132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 4491132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 4492132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 4493132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4494132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 4495132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4496132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4497132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4498132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4499132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4500132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4501132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4502132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4503e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 4504e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 4505e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 4506e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 4507e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 4508e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 4509e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4510e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 4511e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 4512e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4513c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4514c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4515c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 4516c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 4517e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4518e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 4519e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 4520e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 4521e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 4522e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4523432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4524c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 4525c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 4526e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 4527e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 4528e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4529e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4530e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 4531e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 4532cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 4533cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 4534e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 4535e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 4536e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 4537e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4538e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4539432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 4540c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 4541c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 4542432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4543432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 4544432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 4545432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 4546432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 4547e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4548e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 4549e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4550db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 4551db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 4552db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 4553db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 4554db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 4555c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 4556c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 4557c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 4558c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 4559c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 4560c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 4561c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LDecl || !RDecl) 4562db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4563db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4564c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall while ((LDecl = LDecl->getSuperClass())) { 4565c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 4566e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 4567c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::SmallVector<ObjCProtocolDecl *, 8> Protocols; 4568c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 4569c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4570c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 4571c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 4572c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 4573c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 4574c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 4575e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4576db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian } 4577db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4578db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4579db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 4580db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4581c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 4582c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 4583c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 4584c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 4585c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 45866ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 45876ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 4588c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 45896ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 45901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45916ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 45926ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 4593c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 45946ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 45951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45966ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, then it 45976ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // isn't a superset. 4598c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (RHS->getNumProtocols() == 0) 45996ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; // FIXME: should return false! 46001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4601c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 4602c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 460391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 460491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 460591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 460691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 460791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 4608c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 4609c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 46108f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 46118f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 461291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 46138f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 46148f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 461591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 461691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 461791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 461891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 461991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 462091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 462191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 46226ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 46236ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4624389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 4625389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 4626183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 4627183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 46281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 462914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 4630389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 463114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 463214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 463314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 4634389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 4635389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 4636569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorbool ASTContext::canBindObjCObjectType(QualType To, QualType From) { 4637569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return canAssignObjCInterfaces( 4638569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(To)->getAs<ObjCObjectPointerType>(), 4639569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(From)->getAs<ObjCObjectPointerType>()); 4640569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 4641569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 46421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 4643ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 46441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 4645ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 4646447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregorbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS, 4647447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool CompareUnqualified) { 46480e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 46490e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 46500e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 4651447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return !mergeTypes(LHS, RHS, false, CompareUnqualified).isNull(); 46523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 46533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4654132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 4655132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 4656132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4657132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4658132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 4659447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 4660447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 4661183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 4662183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 466372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 466472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 46653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 46663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 46673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 46683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 4669132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 4670132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) 4671447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = mergeTypes(rbase->getResultType(), lbase->getResultType(), true, 4672447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 4673132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4674447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = mergeTypes(lbase->getResultType(), rbase->getResultType(), 4675447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor false, Unqualified); 46763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 4677447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4678447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 4679447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = retType.getUnqualifiedType(); 4680447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4681447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType LRetType = getCanonicalType(lbase->getResultType()); 4682447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType RRetType = getCanonicalType(rbase->getResultType()); 4683447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4684447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LRetType = LRetType.getUnqualifiedType(); 4685447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RRetType = RRetType.getUnqualifiedType(); 4686447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 4687447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4688447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != LRetType) 468961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 4690447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != RRetType) 469161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 46926a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 46936a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 46946a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 46956a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 4696264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 4697264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 46986a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar unsigned RegParm = lbaseInfo.getRegParm() == 0 ? rbaseInfo.getRegParm() : 46996a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar lbaseInfo.getRegParm(); 47006a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 47016a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar if (NoReturn != lbaseInfo.getNoReturn() || 47026a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar RegParm != lbaseInfo.getRegParm()) 47036a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 47046a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar if (NoReturn != rbaseInfo.getNoReturn() || 47056a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar RegParm != rbaseInfo.getRegParm()) 47066a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 4707264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv lcc = lbaseInfo.getCC(); 4708264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv rcc = rbaseInfo.getCC(); 4709ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor // Compatible functions must have compatible calling conventions 471004a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isSameCallConv(lcc, rcc)) 4711ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return QualType(); 47121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 4714465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 4715465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 47163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 47173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 47183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 47193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 47203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 47213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 47223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 47233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 47243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 47253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 47263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 47277fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 47287fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 47297fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 47303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 47313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman llvm::SmallVector<QualType, 10> types; 47323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 47333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 47343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 4735447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType argtype = mergeTypes(largtype, rargtype, OfBlockPointer, 4736447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 47373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 4738447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4739447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 4740447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor argtype = argtype.getUnqualifiedType(); 4741447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 47423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 4743447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4744447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor largtype = largtype.getUnqualifiedType(); 4745447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor rargtype = rargtype.getUnqualifiedType(); 4746447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 4747447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 474861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 474961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 475061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 475161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 47523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 47533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 47543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 47553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, types.begin(), types.size(), 47562455636163fdd18581d7fdae816433f886d88213Mike Stump lproto->isVariadic(), lproto->getTypeQuals(), 4757264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 4758425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo(NoReturn, RegParm, lcc)); 47593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 47603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 47613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 47623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 47633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 476472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 47653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 4766465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 47673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 47683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 47693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 47703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 47713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 47723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 47733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 47743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 47753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 4776b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 4777b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 4778b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 4779b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 4780b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 4781b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 47823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 47833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 47843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 47853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 47863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 47873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 47883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 47893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 47902d3c191e1d5545e1724ee6e0550c70eef54beff2Mike Stump proto->getNumArgs(), proto->isVariadic(), 4791264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola proto->getTypeQuals(), 4792264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 4793425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo(NoReturn, RegParm, lcc)); 47943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 47953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 47963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 47973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 4798425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info(NoReturn, RegParm, lcc); 4799264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionNoProtoType(retType, Info); 48003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 48013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4802132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 4803447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 4804447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 480543d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 480643d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 480743d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 48087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 48097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 48100e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 48110e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 4812447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4813447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4814447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHS = LHS.getUnqualifiedType(); 4815447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHS = RHS.getUnqualifiedType(); 4816447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 48170e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 48183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 48193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 48203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4821f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 48223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 48233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 48243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 48250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 4826a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 4827a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 48280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 48290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 48300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 48310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 48320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall LQuals.getAddressSpace() != RQuals.getAddressSpace()) 48330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 48340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 48350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 48360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 48370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 48380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 48390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 48400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 48410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 48420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 48430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 48440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 48450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 48460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 48470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 48480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 48490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 48500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 48510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 48520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 48533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 48540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 48550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 48560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 48573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4858852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 4859852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 4860f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 48611adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 48621adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 48631adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 48641adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 48654c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 48664c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 4867a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 4868a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 4869a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 4870a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 48711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4872c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 4873c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 4874c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 4875c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4876213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 4877213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 4878213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 48791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48804e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 48814e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 48821adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 48831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 4884842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 4885842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 4886183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 48873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 48883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 4889bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 4890183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 48913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 48923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 4893bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 48941adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 48953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 4896ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 48973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 48984a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 48991adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 490072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 490172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 4902ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 490372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 490472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 490572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 490672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 490772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 490872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 49097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 49107c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 491172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 491272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 491372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 491472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 4915c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 491672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 491772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 491872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 491972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 492072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 492172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 492272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 49231adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 49243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 49253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 49266217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 49276217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 4928447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4929447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 4930447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 4931447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 4932447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, false, 4933447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 49343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 493507d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 493661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 493707d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 493861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 49393d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 49403d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 4941c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 4942c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 4943c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 49446217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 49456217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 4946447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4947447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 4948447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 4949447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 4950447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer, 4951447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 4952c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 4953c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 4954c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 4955c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 4956c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 4957c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 4958c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 49591adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 49603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 49613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 49623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 49633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 49643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 49653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 49663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 49673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 4968447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4969447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSElem = LHSElem.getUnqualifiedType(); 4970447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSElem = RHSElem.getUnqualifiedType(); 4971447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 4972447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4973447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSElem, RHSElem, false, Unqualified); 49743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 497561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 497661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 497761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 497861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 49793bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 49803bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 49813bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 49823bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 49833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 49843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 498561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 498661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 498761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 498861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 49893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 49903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 49913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 49923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 49933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 49943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 49953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 49963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 49973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 49983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 49993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 50003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 50013bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 50023bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 50037e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 50047e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 50053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 50061adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 5007447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return mergeFunctionTypes(LHS, RHS, OfBlockPointer, Unqualified); 500872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 500972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 50103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 50111adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 50123cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 50133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 501464cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 501564cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 501664cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 50173cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 50185a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 50191c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 50201c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 50213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 502261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 5023c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 5024c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 50255a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 50265a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 5027c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 5028c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 5029c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 50305fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 50315fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 50323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 503361490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 503414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 5035132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 5036132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 5037132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 5038132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian RHS->getAs<ObjCObjectPointerType>())) 5039132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 5040132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 5041132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5042183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 5043183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 504414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 504514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5046bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 5047132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5048ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 504972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 505072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 5051ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 50527192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 50532390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 50542390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 50552390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 50562390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 50572390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 50582390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 50592390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 50602390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 50612390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 50622390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 50632390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 50642390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 50652390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 50662390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 50672390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 50682390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 50692390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 50702390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 50712390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 50722390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 50732390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 50742390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 50752390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 50762390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 50772390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 50782390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FunctionType::ExtInfo Info = getFunctionExtInfo(LHS); 50792390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 50802390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 50812390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getNumArgs(), FPT->isVariadic(), 50822390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getTypeQuals(), 50832390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->hasExceptionSpec(), 50842390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->hasAnyExceptionSpec(), 50852390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getNumExceptions(), 50862390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->exception_begin(), 50872390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Info); 50882390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 50892390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 50902390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 50912390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 50922390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 50932390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 50942390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 50952390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 50962390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 50972390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 50982390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 50992390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 51002390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 51012390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 51022390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 51032390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 51042390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 51052390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 51062390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 51072390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 51082390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 51092390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 51102390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 51112390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 51122390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 51132390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 51142390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 51152390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 51162390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 51172390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 51182390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 51192390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 51202390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 51212390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 51222390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 51232390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 51242390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 51252390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 51262390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 51272390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 51282390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 51292390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 51302390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 51312390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 51322390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 51332390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 51345426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 5135ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 5136ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 513788054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 5138ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedmanunsigned ASTContext::getIntWidth(QualType T) { 5139632d772a78db7e2cd9b36f8a22aee49d44486fbfSebastian Redl if (T->isBooleanType()) 5140ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return 1; 5141842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (EnumType *ET = dyn_cast<EnumType>(T)) 514229a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 5143f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 5144ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 5145ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5146ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 5147ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 5148f60946222721d9ba3c059563935c17b84703187aDouglas Gregor assert(T->hasSignedIntegerRepresentation() && "Unexpected type"); 51496a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 51506a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 51516a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 51526a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 5153788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VTy->getNumElements(), VTy->getAltiVecSpecific()); 51546a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 51556a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 51566a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 5157ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 51586a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 51596a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 51606a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 5161ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 5162ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 5163ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 5164ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 5165ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 5166ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 5167ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 5168ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 5169ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 5170ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 5171ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 5172ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 51732df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 51742df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 5175ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 5176ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 5177ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 5178ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 5179ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5180ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 51812cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorExternalASTSource::~ExternalASTSource() { } 51822cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 51832cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregorvoid ExternalASTSource::PrintStats() { } 518486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 518586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 518686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 518786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 518886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 518986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 519086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 519133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// pointer over the consumed characters. This returns the resultant type. If 519233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// AllowTypeModifiers is false then modifier like * are not parsed, just basic 519333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// types. This allows "v2i*" to be parsed as a pointer to a v2i instead of 519433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// a vector of "i*". 519514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// 519614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// RequiresICE is filled in on return to indicate whether the value is required 519714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// to be an Integer Constant Expression. 51981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic QualType DecodeTypeFromStr(const char *&Str, ASTContext &Context, 519986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 520014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool &RequiresICE, 520133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner bool AllowTypeModifiers) { 520286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 520386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 520486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 520514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = false; 5206393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 520733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Read the prefixed modifiers first. 520886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 520986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 521086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 52111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 5212393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner case 'I': 521314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = true; 5214393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner break; 521586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 521686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 521786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 521886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 521986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 522086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 522186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 522286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 522386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 522486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 522586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 522686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 522786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 522886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 522986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 523086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 523186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 523286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 52331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 523486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 523586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 523686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 523786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 523886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 523986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 524086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 524186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 524286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 524386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 524486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 524586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 524686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 524786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 524886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 524986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 525086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 525186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 525286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 525386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 525486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 525586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 525686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 525786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 525886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 525986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 526086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 526186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 526286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 526386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 526486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 526586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 526686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 526786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 526886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 526986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 527086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 527186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 527286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 527386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 527486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 527586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 527686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 527786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 527886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 527986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 528086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 528186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 528286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 528386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 528486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 528586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 528686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 528786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 528886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 528986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 529086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 529186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 529286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 529386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 529486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 529586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 529686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 529786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 529886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 529986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 530086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 530186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 530286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 530386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 530486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 530586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 530686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 530714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (Type->isArrayType()) 530886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 530914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner else 531086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 531186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 531286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 531386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 531486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 531586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 531686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 53171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 531814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, 531914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, false); 532014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require vector ICE"); 532133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner 532233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // TODO: No way to make AltiVec vectors in builtins yet. 5323788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Type = Context.getVectorType(ElementType, NumElements, 5324788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::NotAltiVec); 532586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 532686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5327d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 532814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, RequiresICE, 532914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner false); 533014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require complex ICE"); 5331d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 5332d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 5333d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor } 53349a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 5335c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 5336c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 5337f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 533886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 533986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5340fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 53419a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 5342f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 5343782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 5344f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 5345f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 5346f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 5347fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 5348f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 5349fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 5350fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 5351fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 5352782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 53531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 535433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // If there are modifiers and if we're allowed to parse them, go for it. 535533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Done = !AllowTypeModifiers; 535686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 5357187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 535833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner default: Done = true; --Str; break; 535933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '*': 536033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '&': { 536133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Both pointers and references can have their pointee types 536233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // qualified with an address space. 536333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner char *End; 536433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner unsigned AddrSpace = strtoul(Str, &End, 10); 536533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (End != Str && AddrSpace != 0) { 536633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getAddrSpaceQualType(Type, AddrSpace); 536733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Str = End; 536833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 536933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (c == '*') 537033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getPointerType(Type); 537133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner else 537233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getLValueReferenceType(Type); 537333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 537433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 537533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 537633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'C': 537733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Type.withConst(); 537833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 537933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'D': 538033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getVolatileType(Type); 538133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 538286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 538386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5384393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 538514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert((!RequiresICE || Type->isIntegralOrEnumerationType()) && 5386393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner "Integer constant 'I' type must be an integer"); 53871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 538886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 538986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 539086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 539186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 539233daae66462e8f51ee153463b32bdefd60c801aaChris LattnerQualType ASTContext::GetBuiltinType(unsigned Id, 539314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner GetBuiltinTypeError &Error, 539414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner unsigned *IntegerConstantArgs) { 539533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(Id); 53961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 539786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner llvm::SmallVector<QualType, 8> ArgTypes; 53981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 539914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool RequiresICE = false; 540086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 540114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error, 540214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, true); 540386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 540486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 540514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 540614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Result of intrinsic cannot be required to be an ICE"); 540714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 540886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 540914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error, RequiresICE, true); 541086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 541186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 541286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 541314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // If this argument is required to be an IntegerConstantExpression and the 541414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // caller cares, fill in the bitmask we return. 541514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (RequiresICE && IntegerConstantArgs) 541614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner *IntegerConstantArgs |= 1 << ArgTypes.size(); 541714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 541886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 541986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 542086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 54211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 542286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 542386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 542486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 542586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 542686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 542786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 542886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // handle untyped/variadic arguments "T c99Style();" or "T cppStyle(...);". 542986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (ArgTypes.size() == 0 && TypeStr[0] == '.') 543086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionNoProtoType(ResType); 5431ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 5432ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor // FIXME: Should we create noreturn types? 543386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), 5434ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor TypeStr[0] == '.', 0, false, false, 0, 0, 5435264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 543686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 5437a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5438a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType 5439a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanASTContext::UsualArithmeticConversionsType(QualType lhs, QualType rhs) { 5440a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Perform the usual unary conversions. We do this early so that 5441a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // integral promotions to "int" can allow us to exit early, in the 5442a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // lhs == rhs check. Also, for conversion purposes, we ignore any 5443a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // qualifiers. For example, "const float" and "float" are 5444a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // equivalent. 5445a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isPromotableIntegerType()) 5446a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getPromotedIntegerType(lhs); 5447a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 5448a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = lhs.getUnqualifiedType(); 5449a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isPromotableIntegerType()) 5450a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getPromotedIntegerType(rhs); 5451a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 5452a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = rhs.getUnqualifiedType(); 5453a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5454a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If both types are identical, no conversion is needed. 5455a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs == rhs) 5456a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 54571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5458a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If either side is a non-arithmetic type (e.g. a pointer), we are done. 5459a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The caller can deal with this (e.g. pointer + int). 5460a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (!lhs->isArithmeticType() || !rhs->isArithmeticType()) 5461a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 54621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 54631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // At this point, we have two different arithmetic types. 54641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5465a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle complex types first (C99 6.3.1.8p1). 5466a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexType() || rhs->isComplexType()) { 5467a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the complex type. 54681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (rhs->isIntegerType() || rhs->isComplexIntegerType()) { 5469a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 5470a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5471a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 54721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isIntegerType() || lhs->isComplexIntegerType()) { 5473a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 5474a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5475a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5476a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // This handles complex/complex, complex/float, or float/complex. 54771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // When both operands are complex, the shorter operand is converted to the 54781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // type of the longer, and that is the type of the result. This corresponds 54791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // to what is done when combining two real floating-point operands. 54801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // The fun begins when size promotion occur across type domains. 5481a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // From H&S 6.3.4: When one operand is complex and the other is a real 54821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // floating-point type, the less precise type is converted, within it's 5483a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // real or complex domain, to the precision of the other type. For example, 54841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // when combining a "long double" with a "double _Complex", the 5485a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // "double _Complex" is promoted to "long double _Complex". 5486a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 54871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 54881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (result > 0) { // The left side is bigger, convert rhs. 5489a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getFloatingTypeOfSizeWithinDomain(lhs, rhs); 54901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else if (result < 0) { // The right side is bigger, convert lhs. 5491a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getFloatingTypeOfSizeWithinDomain(rhs, lhs); 54921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 5493a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // At this point, lhs and rhs have the same rank/size. Now, make sure the 5494a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // domains match. This is a requirement for our implementation, C99 5495a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // does not require this promotion. 5496a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs != rhs) { // Domains don't match, we have complex/float mix. 5497a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType()) { // handle "double, _Complex double". 5498a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5499a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { // handle "_Complex double, double". 5500a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5501a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5502a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5503a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // The domain/size match exactly. 5504a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5505a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Now handle "real" floating types (i.e. float, double, long double). 5506a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType() || rhs->isRealFloatingType()) { 5507a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the real floating type. 5508a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isIntegerType()) { 5509a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the lhs floating point type. 5510a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5511a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5512a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isComplexIntegerType()) { 5513a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the complex floating point type. 5514a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(lhs); 5515a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5516a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isIntegerType()) { 5517a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the rhs floating point type. 5518a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5519a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 55201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isComplexIntegerType()) { 5521a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the complex floating point type. 5522a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(rhs); 5523a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5524a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // We have two real floating types, float/complex combos were handled above. 5525a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Convert the smaller operand to the bigger result. 5526a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 5527a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (result > 0) // convert the rhs 5528a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5529a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(result < 0 && "illegal float comparison"); 5530a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; // convert the lhs 5531a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5532a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexIntegerType() || rhs->isComplexIntegerType()) { 5533a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle GCC complex int extension. 5534a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *lhsComplexInt = lhs->getAsComplexIntegerType(); 5535a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *rhsComplexInt = rhs->getAsComplexIntegerType(); 5536a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5537a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsComplexInt && rhsComplexInt) { 55381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getIntegerTypeOrder(lhsComplexInt->getElementType(), 5539a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhsComplexInt->getElementType()) >= 0) 5540a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // convert the rhs 5541a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5542a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (lhsComplexInt && rhs->isIntegerType()) { 5543a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 5544a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5545a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (rhsComplexInt && lhs->isIntegerType()) { 5546a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 5547a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5548a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5549a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5550a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Finally, we have two differing integer types. 5551a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The rules for this case are in C99 6.3.1.8 5552a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int compare = getIntegerTypeOrder(lhs, rhs); 5553f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool lhsSigned = lhs->hasSignedIntegerRepresentation(), 5554f60946222721d9ba3c059563935c17b84703187aDouglas Gregor rhsSigned = rhs->hasSignedIntegerRepresentation(); 5555a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman QualType destType; 5556a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsSigned == rhsSigned) { 5557a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Same signedness; use the higher-ranked type 5558a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = compare >= 0 ? lhs : rhs; 5559a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (compare != (lhsSigned ? 1 : -1)) { 5560a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The unsigned type has greater than or equal rank to the 5561a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // signed type, so use the unsigned type 5562a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? rhs : lhs; 5563a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (getIntWidth(lhs) != getIntWidth(rhs)) { 5564a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The two types are different widths; if we are here, that 5565a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // means the signed type is larger than the unsigned type, so 5566a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // use the signed type. 5567a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? lhs : rhs; 5568a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { 5569a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The signed type is higher-ranked than the unsigned type, 5570a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // but isn't actually any bigger (like unsigned int and long 5571a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // on most 32-bit systems). Use the unsigned type corresponding 5572a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // to the signed type. 5573a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = getCorrespondingUnsignedType(lhsSigned ? lhs : rhs); 5574a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5575a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return destType; 5576a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 557790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 557890e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForFunction(const FunctionDecl *FD) { 557990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage External = GVA_StrongExternal; 558090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 558190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = FD->getLinkage(); 558290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 558390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis FD->getType()->getLinkage() == UniqueExternalLinkage) 558490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 558590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 558690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 558790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 558890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 558990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 559090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 559190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 559290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 559390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (FD->getTemplateSpecializationKind()) { 559490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 559590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 559690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_StrongExternal; 559790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 559890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 559990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 560090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 560190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 560290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 560390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 560490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_TemplateInstantiation; 560590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 560690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 560790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 560890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 560990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isInlined()) 561090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 561190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 561290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!getLangOptions().CPlusPlus || FD->hasAttr<GNUInlineAttr>()) { 561390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // GNU or C99 inline semantics. Determine whether this symbol should be 561490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // externally visible. 561590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->isInlineDefinitionExternallyVisible()) 561690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 561790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 561890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C99 inline semantics, where the symbol is not externally visible. 561990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 562090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 562190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 562290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C++0x [temp.explicit]p9: 562390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // [ Note: The intent is that an inline function that is the subject of 562490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // an explicit instantiation declaration will still be implicitly 562590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // instantiated when used so that the body can be considered for 562690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // inlining, but that no out-of-line copy of the inline function would be 562790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // generated in the translation unit. -- end note ] 562890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->getTemplateSpecializationKind() 562990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis == TSK_ExplicitInstantiationDeclaration) 563090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 563190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 563290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_CXXInline; 563390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 563490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 563590e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForVariable(const VarDecl *VD) { 563690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // If this is a static data member, compute the kind of template 563790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // specialization. Otherwise, this variable is not part of a 563890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // template. 563990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TemplateSpecializationKind TSK = TSK_Undeclared; 564090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (VD->isStaticDataMember()) 564190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TSK = VD->getTemplateSpecializationKind(); 564290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 564390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = VD->getLinkage(); 564490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 564590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis VD->getType()->getLinkage() == UniqueExternalLinkage) 564690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 564790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 564890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 564990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 565090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 565190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 565290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 565390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 565490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 565590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (TSK) { 565690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 565790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 565890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 565990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 566090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 566190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis llvm_unreachable("Variable should not be instantiated"); 566290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Fall through to treat this like any other instantiation. 566390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 566490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 566590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 566690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 566790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 566890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_TemplateInstantiation; 566990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 567090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 567190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 567290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 567390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 567490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 56754ac7c0bb39696e92fd220118fedc484c09a69870Argyrios Kyrtzidisbool ASTContext::DeclMustBeEmitted(const Decl *D) { 567690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 567790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!VD->isFileVarDecl()) 567890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 567990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } else if (!isa<FunctionDecl>(D)) 568090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 568190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 5682ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis // Weak references don't produce any output by themselves. 5683ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (D->hasAttr<WeakRefAttr>()) 5684ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 5685ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 568690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Aliases and used decls are required. 568790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (D->hasAttr<AliasAttr>() || D->hasAttr<UsedAttr>()) 568890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 568990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 569090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 569190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Forward declarations aren't required. 569290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isThisDeclarationADefinition()) 569390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 569490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 569590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Constructors and destructors are required. 569690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->hasAttr<ConstructorAttr>() || FD->hasAttr<DestructorAttr>()) 569790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 569890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 569990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // The key function for a class is required. 570090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 570190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXRecordDecl *RD = MD->getParent(); 570290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (MD->isOutOfLine() && RD->isDynamicClass()) { 570390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXMethodDecl *KeyFunc = getKeyFunction(RD); 570490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (KeyFunc && KeyFunc->getCanonicalDecl() == MD->getCanonicalDecl()) 570590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 570690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 570790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 570890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 570990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage Linkage = GetGVALinkageForFunction(FD); 571090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 571190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // static, static inline, always_inline, and extern inline functions can 571290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // always be deferred. Normal inline functions can be deferred in C99/C++. 571390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Implicit template instantiations can also be deferred in C++. 571490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (Linkage == GVA_Internal || Linkage == GVA_C99Inline || 571590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage == GVA_CXXInline || Linkage == GVA_TemplateInstantiation) 571690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 571790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 571890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 571990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 572090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const VarDecl *VD = cast<VarDecl>(D); 572190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis assert(VD->isFileVarDecl() && "Expected file scoped var"); 572290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 5723ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (VD->isThisDeclarationADefinition() == VarDecl::DeclarationOnly) 5724ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 5725ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 572690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Structs that have non-trivial constructors or destructors are required. 572790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 572890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // FIXME: Handle references. 572990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const RecordType *RT = VD->getType()->getAs<RecordType>()) { 573090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl())) { 5731bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis if (RD->hasDefinition() && 5732bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis (!RD->hasTrivialConstructor() || !RD->hasTrivialDestructor())) 573390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 573490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 573590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 573690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 573790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage L = GetGVALinkageForVariable(VD); 573890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == GVA_Internal || L == GVA_TemplateInstantiation) { 573990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!(VD->getInit() && VD->getInit()->HasSideEffects(*this))) 574090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 574190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 574290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 574390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 574490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 5745071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 5746071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI::~CXXABI() {} 5747