ASTContext.cpp revision d263fd1451299b1e5f5f1acb2bb13b0a4119aee8
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- ASTContext.cpp - Context to hold long-lived AST nodes ------------===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file implements the ASTContext interface. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/ASTContext.h" 15bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck#include "clang/AST/CharUnits.h" 1649aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis#include "clang/AST/DeclCXX.h" 17980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff#include "clang/AST/DeclObjC.h" 18aaba5e346dffdbad5d1c42765a89e4a7afb0da67Douglas Gregor#include "clang/AST/DeclTemplate.h" 19b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis#include "clang/AST/TypeLoc.h" 20e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/AST/Expr.h" 21ea1471e0e967548c596a71469702f8846dbaf3c0John McCall#include "clang/AST/ExprCXX.h" 222cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor#include "clang/AST/ExternalASTSource.h" 237b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios Kyrtzidis#include "clang/AST/ASTMutationListener.h" 2419cc4abea06a9b49e0e16a50d335c064cd723572Anders Carlsson#include "clang/AST/RecordLayout.h" 2514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne#include "clang/AST/Mangle.h" 261b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner#include "clang/Basic/Builtins.h" 27a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner#include "clang/Basic/SourceManager.h" 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/TargetInfo.h" 29f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/ADT/SmallString.h" 3085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson#include "llvm/ADT/StringExtras.h" 316fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman#include "llvm/Support/MathExtras.h" 32f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/Support/raw_ostream.h" 33071cc7deffad608165b1ddd5263e8bf181861520Charles Davis#include "CXXABI.h" 3429445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 371827403a7138946305c0058f262e02b595cf882fDouglas Gregorunsigned ASTContext::NumImplicitDefaultConstructors; 381827403a7138946305c0058f262e02b595cf882fDouglas Gregorunsigned ASTContext::NumImplicitDefaultConstructorsDeclared; 39225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregorunsigned ASTContext::NumImplicitCopyConstructors; 40225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregorunsigned ASTContext::NumImplicitCopyConstructorsDeclared; 41a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregorunsigned ASTContext::NumImplicitCopyAssignmentOperators; 42a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregorunsigned ASTContext::NumImplicitCopyAssignmentOperatorsDeclared; 434923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregorunsigned ASTContext::NumImplicitDestructors; 444923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregorunsigned ASTContext::NumImplicitDestructorsDeclared; 454923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor 465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerenum FloatingRank { 475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatRank, DoubleRank, LongDoubleRank 485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 503e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregorvoid 513e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorASTContext::CanonicalTemplateTemplateParm::Profile(llvm::FoldingSetNodeID &ID, 523e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *Parm) { 533e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Parm->getDepth()); 543e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Parm->getPosition()); 5561c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor ID.AddBoolean(Parm->isParameterPack()); 563e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 573e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList *Params = Parm->getTemplateParameters(); 583e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Params->size()); 593e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 603e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor PEnd = Params->end(); 613e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor P != PEnd; ++P) { 623e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) { 633e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(0); 643e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddBoolean(TTP->isParameterPack()); 653e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor continue; 663e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 673e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 683e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(*P)) { 693e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(1); 7061c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor ID.AddBoolean(NTTP->isParameterPack()); 713e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddPointer(NTTP->getType().getAsOpaquePtr()); 726952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor if (NTTP->isExpandedParameterPack()) { 736952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ID.AddBoolean(true); 746952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ID.AddInteger(NTTP->getNumExpansionTypes()); 756952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor for (unsigned I = 0, N = NTTP->getNumExpansionTypes(); I != N; ++I) 766952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ID.AddPointer(NTTP->getExpansionType(I).getAsOpaquePtr()); 776952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } else 786952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ID.AddBoolean(false); 793e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor continue; 803e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 813e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 823e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *TTP = cast<TemplateTemplateParmDecl>(*P); 833e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(2); 843e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Profile(ID, TTP); 853e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 863e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor} 873e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 883e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorTemplateTemplateParmDecl * 893e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorASTContext::getCanonicalTemplateTemplateParmDecl( 904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad TemplateTemplateParmDecl *TTP) const { 913e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Check if we already have a canonical template template parameter. 923e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor llvm::FoldingSetNodeID ID; 933e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonicalTemplateTemplateParm::Profile(ID, TTP); 943e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor void *InsertPos = 0; 953e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonicalTemplateTemplateParm *Canonical 963e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); 973e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (Canonical) 983e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor return Canonical->getParam(); 993e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1003e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Build a canonical template parameter list. 1013e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList *Params = TTP->getTemplateParameters(); 1023e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor llvm::SmallVector<NamedDecl *, 4> CanonParams; 1033e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.reserve(Params->size()); 1043e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 1053e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor PEnd = Params->end(); 1063e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor P != PEnd; ++P) { 1073e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) 1083e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back( 1093e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTypeParmDecl::Create(*this, getTranslationUnitDecl(), 1103e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), TTP->getDepth(), 1113e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->getIndex(), 0, false, 1123e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->isParameterPack())); 1133e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor else if (NonTypeTemplateParmDecl *NTTP 1146952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor = dyn_cast<NonTypeTemplateParmDecl>(*P)) { 1156952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor QualType T = getCanonicalType(NTTP->getType()); 1166952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor TypeSourceInfo *TInfo = getTrivialTypeSourceInfo(T); 1176952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NonTypeTemplateParmDecl *Param; 1186952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor if (NTTP->isExpandedParameterPack()) { 1196952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor llvm::SmallVector<QualType, 2> ExpandedTypes; 1206952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor llvm::SmallVector<TypeSourceInfo *, 2> ExpandedTInfos; 1216952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor for (unsigned I = 0, N = NTTP->getNumExpansionTypes(); I != N; ++I) { 1226952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTypes.push_back(getCanonicalType(NTTP->getExpansionType(I))); 1236952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTInfos.push_back( 1246952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor getTrivialTypeSourceInfo(ExpandedTypes.back())); 1256952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } 1266952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor 1276952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor Param = NonTypeTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 1286952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor SourceLocation(), 1296952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getDepth(), 1306952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getPosition(), 0, 1316952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor T, 1326952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor TInfo, 1336952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTypes.data(), 1346952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTypes.size(), 1356952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTInfos.data()); 1366952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } else { 1376952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor Param = NonTypeTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 1386952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor SourceLocation(), 1396952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getDepth(), 1406952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getPosition(), 0, 1416952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor T, 1426952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->isParameterPack(), 1436952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor TInfo); 1446952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } 1456952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor CanonParams.push_back(Param); 1466952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor 1476952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } else 1483e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back(getCanonicalTemplateTemplateParmDecl( 1493e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor cast<TemplateTemplateParmDecl>(*P))); 1503e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 1513e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1523e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *CanonTTP 1533e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = TemplateTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 1543e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), TTP->getDepth(), 15561c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor TTP->getPosition(), 15661c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor TTP->isParameterPack(), 15761c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor 0, 1583e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList::Create(*this, SourceLocation(), 1593e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), 1603e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.data(), 1613e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.size(), 1623e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation())); 1633e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1643e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Get the new insert position for the node we care about. 1653e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); 1663e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor assert(Canonical == 0 && "Shouldn't be in the map!"); 1673e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor (void)Canonical; 1683e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1693e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Create the canonical template template parameter entry. 1703e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = new (*this) CanonicalTemplateTemplateParm(CanonTTP); 1713e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonTemplateTemplateParms.InsertNode(Canonical, InsertPos); 1723e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor return CanonTTP; 1733e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor} 1743e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 175071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI *ASTContext::createCXXABI(const TargetInfo &T) { 176ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall if (!LangOpts.CPlusPlus) return 0; 177ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall 17820cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis switch (T.getCXXABI()) { 179ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall case CXXABI_ARM: 180ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall return CreateARMCXXABI(*this); 181ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall case CXXABI_Itanium: 182071cc7deffad608165b1ddd5263e8bf181861520Charles Davis return CreateItaniumCXXABI(*this); 18320cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis case CXXABI_Microsoft: 18420cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis return CreateMicrosoftCXXABI(*this); 18520cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis } 186ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall return 0; 187071cc7deffad608165b1ddd5263e8bf181861520Charles Davis} 188071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 18961710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerASTContext::ASTContext(const LangOptions& LOpts, SourceManager &SM, 190444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar const TargetInfo &t, 191e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar IdentifierTable &idents, SelectorTable &sels, 1921b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 19363fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor unsigned size_reserve) : 194ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationTypes(this_()), 195ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationTypes(this_()), 196006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis GlobalNestedNameSpecifier(0), IsInt128Installed(false), 197006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis CFConstantStringTypeDecl(0), NSConstantStringTypeDecl(0), 198782fa308a765aeac2acb39c4e697c937ec21185bMike Stump ObjCFastEnumerationStateTypeDecl(0), FILEDecl(0), jmp_bufDecl(0), 199083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump sigjmp_bufDecl(0), BlockDescriptorType(0), BlockDescriptorExtendedType(0), 20014b6ba77710d6431794d65c7d58c6f29c3dc956ePeter Collingbourne cudaConfigureCallDecl(0), 201bf1a028246d884a540aeafa38e89be59a269b072John McCall NullTypeSourceInfo(QualType()), 202071cc7deffad608165b1ddd5263e8bf181861520Charles Davis SourceMgr(SM), LangOpts(LOpts), ABI(createCXXABI(t)), Target(t), 2032e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Idents(idents), Selectors(sels), 204ac9590effa90406767a544005ed1de52e258306bTed Kremenek BuiltinInfo(builtins), 205ac9590effa90406767a544005ed1de52e258306bTed Kremenek DeclarationNames(*this), 2069a44b5f5593bd8a385d06b07c564795f643ec8daArgyrios Kyrtzidis ExternalSource(0), Listener(0), PrintingPolicy(LOpts), 207f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek LastSDM(0, 0), 208f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek UniqueBlockByRefTypeID(0), UniqueBlockParmTypeID(0) { 2090f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCIdRedefinitionType = QualType(); 2100f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCClassRedefinitionType = QualType(); 21163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor ObjCSelRedefinitionType = QualType(); 2121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 213e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 21414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff InitBuiltinTypes(); 215e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 216e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 2183478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // Release the DenseMaps associated with DeclContext objects. 2193478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: Is this the ideal solution? 2203478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek ReleaseDeclContextMaps(); 2217d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 22263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Call all of the deallocation functions. 22363fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (unsigned I = 0, N = Deallocations.size(); I != N; ++I) 22463fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor Deallocations[I].first(Deallocations[I].second); 2250054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2267d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // Release all of the memory associated with overridden C++ methods. 2277d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor for (llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::iterator 2287d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM = OverriddenMethods.begin(), OMEnd = OverriddenMethods.end(); 2297d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM != OMEnd; ++OM) 2307d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM->second.Destroy(); 2313478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek 232dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // ASTRecordLayout objects in ASTRecordLayouts must always be destroyed 23363fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // because they can contain DenseMaps. 23463fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (llvm::DenseMap<const ObjCContainerDecl*, 23563fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor const ASTRecordLayout*>::iterator 23663fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor I = ObjCLayouts.begin(), E = ObjCLayouts.end(); I != E; ) 23763fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Increment in loop to prevent using deallocated memory. 23863fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 23963fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor R->Destroy(*this); 24063fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor 241dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek for (llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 242dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { 243dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // Increment in loop to prevent using deallocated memory. 244dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 245dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek R->Destroy(*this); 246dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek } 2476320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 2486320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor for (llvm::DenseMap<const Decl*, AttrVec*>::iterator A = DeclAttrs.begin(), 2496320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AEnd = DeclAttrs.end(); 2506320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A != AEnd; ++A) 2516320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A->second->~AttrVec(); 2526320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 253ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 2540054531488928a424666ac11fcdc6bcc5112de52Douglas Gregorvoid ASTContext::AddDeallocation(void (*Callback)(void*), void *Data) { 2550054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor Deallocations.push_back(std::make_pair(Callback, Data)); 2560054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor} 2570054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 2592cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 2602cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 2612cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 2622cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 2645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, "*** AST Context Stats:\n"); 2655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d types total.\n", (int)Types.size()); 2667c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 267dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 2681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 269dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 270dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 271dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 272dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 273c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 2745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 2755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 276dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 2775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 279dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 280dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 281dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 282dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 283dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, " %d %s types\n", (int)counts[Idx], #Name); \ 284dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 285dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 286dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 287dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 2881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 289dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, "Total bytes = %d\n", int(TotalBytes)); 290ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor 2914923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor // Implicit special member functions. 2921827403a7138946305c0058f262e02b595cf882fDouglas Gregor fprintf(stderr, " %u/%u implicit default constructors created\n", 2931827403a7138946305c0058f262e02b595cf882fDouglas Gregor NumImplicitDefaultConstructorsDeclared, 2941827403a7138946305c0058f262e02b595cf882fDouglas Gregor NumImplicitDefaultConstructors); 295225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor fprintf(stderr, " %u/%u implicit copy constructors created\n", 296225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor NumImplicitCopyConstructorsDeclared, 297225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor NumImplicitCopyConstructors); 298a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor fprintf(stderr, " %u/%u implicit copy assignment operators created\n", 299a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor NumImplicitCopyAssignmentOperatorsDeclared, 300a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor NumImplicitCopyAssignmentOperators); 3014923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor fprintf(stderr, " %u/%u implicit destructors created\n", 3024923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor NumImplicitDestructorsDeclared, NumImplicitDestructors); 3034923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor 3042cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 3052cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor fprintf(stderr, "\n"); 3062cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 3072cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 308ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor 30963fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor BumpAlloc.PrintStats(); 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 313e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 3146b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 315e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 3166b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 3175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinTypes() { 3205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 3211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 3235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 3241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 3265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 3275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 32815b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 3295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 3305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 3315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 3325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 3335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 3345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 3365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 3375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 3381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 3405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 3415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 3435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 3451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 35064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 3512df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 3522df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 3532df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 3542df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 3553f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (LangOpts.CPlusPlus) { // C++ 3.9.1p5 3563f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (!LangOpts.ShortWChar) 3573f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_S); 3583f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner else // -fshort-wchar makes wchar_t be unsigned. 3593f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_U); 3603f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner } else // C99 3613a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 36264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 363f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 364f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 365f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 366f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 367f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 368f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 369f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 370f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 371f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 372f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 373898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 374898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 375898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 376898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 377898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 378898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 3798e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 3802a984cad5ac3fdceeff2bd99daa7b90979313475John McCall // Placeholder type for functions. 3812a984cad5ac3fdceeff2bd99daa7b90979313475John McCall InitBuiltinType(OverloadTy, BuiltinType::Overload); 3822a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 3831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Placeholder type for C++0x auto declarations whose real type has 384e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // not yet been deduced. 3852a984cad5ac3fdceeff2bd99daa7b90979313475John McCall InitBuiltinType(UndeducedAutoTy, BuiltinType::UndeducedAuto); 3861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 3895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 3905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 3918e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 3927e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 3931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 394de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // "Builtin" typedefs set by Sema::ActOnTranslationUnitScope(). 395de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = QualType(); 396de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = QualType(); 39713dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = QualType(); 3981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39913dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 400de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 401de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 40213dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 40314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 404a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 4051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 40733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 4086e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 4096e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 4106e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 41378a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios KyrtzidisDiagnostic &ASTContext::getDiagnostics() const { 41478a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis return SourceMgr.getDiagnostics(); 41578a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis} 41678a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis 4176320064d0c60fa8683f5623881c9394fd4aa7689Douglas GregorAttrVec& ASTContext::getDeclAttrs(const Decl *D) { 4186320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AttrVec *&Result = DeclAttrs[D]; 4196320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (!Result) { 4206320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor void *Mem = Allocate(sizeof(AttrVec)); 4216320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Result = new (Mem) AttrVec; 4226320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 4236320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 4246320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor return *Result; 4256320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 4266320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 4276320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor/// \brief Erase the attributes corresponding to the given declaration. 4286320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregorvoid ASTContext::eraseDeclAttrs(const Decl *D) { 4296320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor llvm::DenseMap<const Decl*, AttrVec*>::iterator Pos = DeclAttrs.find(D); 4306320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (Pos != DeclAttrs.end()) { 4316320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Pos->second->~AttrVec(); 4326320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor DeclAttrs.erase(Pos); 4336320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 4346320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 4356320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 4366320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 437251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 438663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 4397caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 440663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 4417caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 4427caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 4437caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 4441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4457caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 4467caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 4477caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 4481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 449251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 4509421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis TemplateSpecializationKind TSK, 4519421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis SourceLocation PointOfInstantiation) { 4527caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 4537caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 4547caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 4557caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 456251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 4579421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis = new (*this) MemberSpecializationInfo(Tmpl, TSK, PointOfInstantiation); 4587caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 4597caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 4607ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 461ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 4627ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 463ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 464ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 4650d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 4661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4670d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 4680d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 4690d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 4700d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 471ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 472ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 473ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 474ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 475ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 476ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 477ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 478ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 479ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 480ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 481ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 482ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 483ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 484ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 485ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 486ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 487ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 488ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 489ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 490ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 491ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 492ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 493ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 494ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 4950d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 4960d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 497d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 498d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 499d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 500d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 501d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 5021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 503d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 504d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 505d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 506d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 507d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 508d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 509d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 510d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 511d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 5121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 513d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 514d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 515d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 5167d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 5177d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 5187d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 5197d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 5207d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 5217d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 5227d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 5237d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 5247d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 5257d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 5267d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 5277d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 5287d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 5297d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 5307d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 5317d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 5327d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 5337d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 5347d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 5357d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 536c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidisunsigned 537c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios KyrtzidisASTContext::overridden_methods_size(const CXXMethodDecl *Method) const { 538c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 539c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis = OverriddenMethods.find(Method); 540c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis if (Pos == OverriddenMethods.end()) 541c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return 0; 542c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 543c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return Pos->second.size(); 544c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis} 545c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 5467d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 5477d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 5487d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 5497d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 5507d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 551464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 552464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 553464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 554a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 555b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 556b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 557b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 558183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 559b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 560b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 561b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 562b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 563b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 564b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 565b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 566b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 567b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 5688b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 569af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 570af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 5715d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 5725d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 5734ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) const { 574dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 575dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 5764081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall bool UseAlignAttrOnly = false; 5774081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (unsigned AlignFromAttr = D->getMaxAlignment()) { 5784081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall Align = AlignFromAttr; 5794081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall 5804081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // __attribute__((aligned)) can increase or decrease alignment 5814081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // *except* on a struct or struct member, where it only increases 5824081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // alignment unless 'packed' is also specified. 5834081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // 5844081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // It is an error for [[align]] to decrease alignment, so we can 5854081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // ignore that possibility; Sema should diagnose it. 5864081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (isa<FieldDecl>(D)) { 5874081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = D->hasAttr<PackedAttr>() || 5884081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 5894081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else { 5904081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = true; 5914081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 5924081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 593dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 594ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // If we're using the align attribute only, just ignore everything 595ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // else about the declaration and its type. 5964081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (UseAlignAttrOnly) { 597ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // do nothing 598ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 5994081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 600af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 6016217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 6025d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 6035d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 6045d484e8cf710207010720589d89602233de61d01Sebastian Redl else 6055d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 6065d484e8cf710207010720589d89602233de61d01Sebastian Redl } 6075d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 6083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Adjust alignments of declarations with array type by the 6093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // large-array alignment on the target. 6106deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned MinWidth = Target.getLargeArrayMinWidth(); 6113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *arrayType; 6123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (MinWidth && (arrayType = getAsArrayType(T))) { 6133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (isa<VariableArrayType>(arrayType)) 6143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Align = std::max(Align, Target.getLargeArrayAlign()); 6153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall else if (isa<ConstantArrayType>(arrayType) && 6163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall MinWidth <= getTypeSize(cast<ConstantArrayType>(arrayType))) 6173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Align = std::max(Align, Target.getLargeArrayAlign()); 6183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 6193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Walk through any array types while we're at it. 6203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall T = getBaseElementType(arrayType); 6216deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola } 622dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 623dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 624ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 625ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Fields can be subject to extra alignment constraints, like if 626ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the field is packed, the struct is packed, or the struct has a 627ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // a max-field-alignment constraint (#pragma pack). So calculate 628ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the actual alignment of the field within the struct, and then 629ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // (as we're expected to) constrain that by the alignment of the type. 630ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (const FieldDecl *field = dyn_cast<FieldDecl>(VD)) { 631ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // So calculate the alignment of the field. 632ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall const ASTRecordLayout &layout = getASTRecordLayout(field->getParent()); 633ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 634ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Start with the record's overall alignment. 635ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall unsigned fieldAlign = layout.getAlignment(); 636ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 637ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Use the GCD of that and the offset within the record. 638ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t offset = layout.getFieldOffset(field->getFieldIndex()); 639ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (offset > 0) { 640ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Alignment is always a power of 2, so the GCD will be a power of 2, 641ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // which means we get to do this crazy thing instead of Euclid's. 642ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t lowBitOfOffset = offset & (~offset + 1); 643ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (lowBitOfOffset < fieldAlign) 644ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall fieldAlign = static_cast<unsigned>(lowBitOfOffset); 645ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall } 646ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 647ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall Align = std::min(Align, fieldAlign); 64805f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 649af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 650dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 651eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(Align); 652af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 653b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 654ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 655ea1471e0e967548c596a71469702f8846dbaf3c0John McCallASTContext::getTypeInfoInChars(const Type *T) { 656ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 657eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return std::make_pair(toCharUnitsFromBits(Info.first), 658eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck toCharUnitsFromBits(Info.second)); 659ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 660ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 661ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 662ea1471e0e967548c596a71469702f8846dbaf3c0John McCallASTContext::getTypeInfoInChars(QualType T) { 663ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 664ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 665ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 666a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 667a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 6680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 6690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 6700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 6710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 672d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 6734ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getTypeInfo(const Type *T) const { 6745e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 6755e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 676a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 67772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 67872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 67918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 68072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 68172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 68218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor assert(false && "Should not see dependent types"); 68372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 68472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 6855d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 6865d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 68718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 68818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 68918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 69018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 69118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 69272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 693fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 69418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 69518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 69618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 69718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 698fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 6991d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 7001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 70198be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 7029e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 703030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 704030d8846c7e520330007087e949f621989876e3aChris Lattner break; 7055c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 706213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 707030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 7089fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 7099fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 7109fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 7114bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 7126fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 7136fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 7148eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 7159fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 7169fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 7179fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 718030d8846c7e520330007087e949f621989876e3aChris Lattner break; 719030d8846c7e520330007087e949f621989876e3aChris Lattner } 7205d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 7219e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 722a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 723692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 724d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 72518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 72618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 72718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 72818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 72918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 7306f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 7319e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 7329e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 7336f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 734692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 735692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 736692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 7376f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 7389e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 7399e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 7406f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7413f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 7423f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 74364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 74464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 74564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 746f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 747f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar16Width(); 748f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar16Align(); 749f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 750f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 751f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar32Width(); 752f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar32Align(); 753f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 754692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 7556f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 7569e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 7579e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 7586f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 759692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 7606f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 7619e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 7629e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 7636f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 764692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 7656f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 7669e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 7679e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 7686f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 769692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 7706f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 7719e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 7729e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 7736f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 774ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 775ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 776ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 777ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 778ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 7796f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 7809e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 7819e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 7826f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7836f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 7845426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 7855426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 7866f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7876f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 7889e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 7899e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 7906f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7916e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 7926e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Width = Target.getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 7936e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Align = Target.getPointerAlign(0); // == sizeof(void*) 7941590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 795e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCId: 796e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCClass: 797e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCSel: 798e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Width = Target.getPointerWidth(0); 799e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Align = Target.getPointerAlign(0); 800e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian break; 801a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 802bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 803d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 8045426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 805f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 8066f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 807485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 808485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff unsigned AS = cast<BlockPointerType>(T)->getPointeeType().getAddressSpace(); 809485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 810485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 811485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 812485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 8135d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 8145d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 8155d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 8165d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 8175d484e8cf710207010720589d89602233de61d01Sebastian Redl unsigned AS = cast<ReferenceType>(T)->getPointeeType().getAddressSpace(); 8185d484e8cf710207010720589d89602233de61d01Sebastian Redl Width = Target.getPointerWidth(AS); 8195d484e8cf710207010720589d89602233de61d01Sebastian Redl Align = Target.getPointerAlign(AS); 8205d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 8215d484e8cf710207010720589d89602233de61d01Sebastian Redl } 822f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 823f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner unsigned AS = cast<PointerType>(T)->getPointeeType().getAddressSpace(); 8245426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 825f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 826f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 827f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 828f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 829071cc7deffad608165b1ddd5263e8bf181861520Charles Davis const MemberPointerType *MPT = cast<MemberPointerType>(T); 8301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 8311cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 832071cc7deffad608165b1ddd5263e8bf181861520Charles Davis Width = PtrDiffInfo.first * ABI->getMemberPointerSize(MPT); 8331cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 8341cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 835f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 8365d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 8375d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 8385d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 8391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 84098be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 8419e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 8425d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 8435d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 8445d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 845c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 846c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 84744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 8481d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 84944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 850dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 85144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Align = Layout.getAlignment(); 85244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 85344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 85472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 85572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 8561d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 8571d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 8581d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 8598389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Width = 1; 8608389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Align = 1; 8618389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 8628389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 8631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8641d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 8657176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 8667176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 8671d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 8687176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 869dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 8707176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Align = Layout.getAlignment(); 871dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 872a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 8737532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 8749fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 87549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 87649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 87749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 878075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara case Type::Paren: 879075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return getTypeInfo(cast<ParenType>(T)->getInnerType().getTypePtr()); 880075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 88118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 88218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor const TypedefDecl *Typedef = cast<TypedefType>(T)->getDecl(); 883df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor std::pair<uint64_t, unsigned> Info 884df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor = getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 885df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Align = std::max(Typedef->getMaxAlignment(), Info.second); 886df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Width = Info.first; 8877532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 8887176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 88918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 89018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 89118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 89218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 89318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 89418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 89518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 89618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 897395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 898395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 899395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 900395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 901465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 902465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 9031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9049d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall case Type::Attributed: 9059d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return getTypeInfo( 9069d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall cast<AttributedType>(T)->getEquivalentType().getTypePtr()); 9079d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 90818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TemplateSpecialization: 9091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 91018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 91118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // FIXME: this is likely to be wrong once we support template 91218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // aliases, since a template alias could refer to a typedef that 91318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // has an __aligned__ attribute on it. 91418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(getCanonicalType(T)); 91518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 9161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 917464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 9189e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 919a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 920a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 921eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck/// toCharUnitsFromBits - Convert a size in bits to a size in characters. 922eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen DyckCharUnits ASTContext::toCharUnitsFromBits(int64_t BitSize) const { 923eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return CharUnits::fromQuantity(BitSize / getCharWidth()); 924eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck} 925eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck 926dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck/// toBits - Convert a size in characters to a size in characters. 927dd76a9ab9ea675671200f94b18ce95766841952bKen Dyckint64_t ASTContext::toBits(CharUnits CharSize) const { 928dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck return CharSize.getQuantity() * getCharWidth(); 929dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck} 930dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck 931bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 932bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 9334ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(QualType T) const { 934eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 935bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 9364ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(const Type *T) const { 937eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 938bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 939bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 94016e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 94186fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 9424ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(QualType T) const { 943eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 94486fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 9454ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(const Type *T) const { 946eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 94786fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 94886fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 94934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 95034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 95134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 95234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 9534ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getPreferredTypeAlign(const Type *T) const { 95434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 9551eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 9561eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 957183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 9581eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 9591eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 9601eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 9611eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 9621eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 96334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 96434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 96534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 9668e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// ShallowCollectObjCIvars - 9678e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// Collect all ivars, including those synthesized, in the current class. 9688e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// 9698e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianvoid ASTContext::ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 9704ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) const { 9712c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian // FIXME. This need be removed but there are two many places which 9722c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian // assume const-ness of ObjCInterfaceDecl 9732c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian ObjCInterfaceDecl *IDecl = const_cast<ObjCInterfaceDecl *>(OI); 9742c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCIvarDecl *Iv = IDecl->all_declared_ivar_begin(); Iv; 9752c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian Iv= Iv->getNextIvar()) 9762c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian Ivars.push_back(Iv); 9772c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian} 9782c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian 9792c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// DeepCollectObjCIvars - 9802c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// This routine first collects all declared, but not synthesized, ivars in 9812c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// super class and then collects all ivars, including those synthesized for 9822c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// current class. This routine is used for implementation of current class 9832c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// when all ivars, declared and synthesized are known. 9849820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 9852c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanianvoid ASTContext::DeepCollectObjCIvars(const ObjCInterfaceDecl *OI, 9862c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian bool leafClass, 9874ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) const { 9882c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 9892c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(SuperClass, false, Ivars); 9902c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (!leafClass) { 9912c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 9922c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian E = OI->ivar_end(); I != E; ++I) 99311062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 99411062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian } 9952c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian else 9962c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian ShallowCollectObjCIvars(OI, Ivars); 9979820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 9989820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 999e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 1000e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 1001e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 1002432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 1003e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 100453b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // We can use protocol_iterator here instead of 100553b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // all_referenced_protocol_iterator since we are walking all categories. 100653b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCInterfaceDecl::all_protocol_iterator P = OI->all_referenced_protocol_begin(), 100753b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek PE = OI->all_referenced_protocol_end(); P != PE; ++P) { 1008e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1009432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1010e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1011b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 1012b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 1013e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1014e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1015b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 1016e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 1017e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 1018e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 1019e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 1020e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 1021e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 1022e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 1023e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 1024e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 1025e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1026b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 102753b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCCategoryDecl::protocol_iterator P = OC->protocol_begin(), 1028e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 1029e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1030432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1031e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1032e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1033e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1034e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1035b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 1036e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 1037e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 1038e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1039432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1040e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1041e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1042e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1043e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1044e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1045e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 1046e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 10474ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) const { 10483bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 10493bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 105080aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian for (const ObjCCategoryDecl *CDecl = OI->getFirstClassExtension(); CDecl; 105180aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian CDecl = CDecl->getNextClassExtension()) 1052b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 1053b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 10543bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 10553bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 10563bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 1057b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 1058b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 10598e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 10608e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 10618e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 10628a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 10638a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 10648a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 10658a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 10668a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 10678a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 10688a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 10698a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 10708a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 10718a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 10728a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 10738a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 10748a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 10758a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 10768a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 10778a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 10788a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 10798a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 10808a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 10818a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 10828a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 10838a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 10848a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 10858a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 10868a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 10878a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 10888a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 10898a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 10908a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 10918a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 10921ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Get the copy initialization expression of VarDecl,or NULL if 10931ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// none exists. 1094830937bc1100fba7682f7c32c40512085870f50cFariborz JahanianExpr *ASTContext::getBlockVarCopyInits(const VarDecl*VD) { 1095d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD && "Passed null params"); 1096d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1097d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "getBlockVarCopyInits - not __block var"); 1098830937bc1100fba7682f7c32c40512085870f50cFariborz Jahanian llvm::DenseMap<const VarDecl*, Expr*>::iterator 1099d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian I = BlockVarCopyInits.find(VD); 11001ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian return (I != BlockVarCopyInits.end()) ? cast<Expr>(I->second) : 0; 11011ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 11021ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 11031ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Set the copy inialization expression of a block var decl. 11041ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanianvoid ASTContext::setBlockVarCopyInits(VarDecl*VD, Expr* Init) { 11051ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian assert(VD && Init && "Passed null params"); 1106d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1107d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "setBlockVarCopyInits - not __block var"); 11081ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian BlockVarCopyInits[VD] = Init; 11091ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 11101ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 1111a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 1112b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1113a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 1114b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 1115b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1116b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 1117b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 1118b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 1119a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 11204ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned DataSize) const { 1121109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 1122109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 1123109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 1124109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 1125a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 1126109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 1127a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 1128a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 1129a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 1130a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 1131b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 1132b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1133a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 11346952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor SourceLocation L) const { 1135a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 1136c21c7e9c2cded68f91be15be6847c9649242dc17Douglas Gregor DI->getTypeLoc().initialize(const_cast<ASTContext &>(*this), L); 1137a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 1138a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 1139a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 1140b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 11414ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) const { 1142b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 1143b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1144b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1145b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 11464ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCImplementationLayout( 11474ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ObjCImplementationDecl *D) const { 1148b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 1149b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1150b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1151a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1152a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 1153a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1154a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 11554ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 11563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallASTContext::getExtQualType(const Type *baseType, Qualifiers quals) const { 11573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned fastQuals = quals.getFastQualifiers(); 11583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall quals.removeFastQualifiers(); 11590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 11600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 11610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 11623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals::Profile(ID, baseType, quals); 11633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 11643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ExtQuals *eq = ExtQualNodes.FindNodeOrInsertPos(ID, insertPos)) { 11653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(eq->getQualifiers() == quals); 11663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 11670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 11680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 11693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the base type is not canonical, make the appropriate canonical type. 11703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 11713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!baseType->isCanonicalUnqualified()) { 11723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = baseType->getCanonicalTypeInternal().split(); 11733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonSplit.second.addConsistentQualifiers(quals); 11743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getExtQualType(canonSplit.first, canonSplit.second); 11753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 11763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Re-find the insert position. 11773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall (void) ExtQualNodes.FindNodeOrInsertPos(ID, insertPos); 11783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 11793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 11803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals *eq = new (*this, TypeAlignment) ExtQuals(baseType, canon, quals); 11813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQualNodes.InsertNode(eq, insertPos); 11823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 11830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 11840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 11854ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 11864ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) const { 1187f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1188f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1189f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1190b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 11910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 11920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 11930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 11940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 11951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 11970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 11980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 11990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 12000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 12011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1203ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1204ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1205b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 12064ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Qualifiers::GC GCAttr) const { 1207d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1208b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1209d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 12101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12117f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (const PointerType *ptr = T->getAs<PointerType>()) { 12127f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall QualType Pointee = ptr->getPointeeType(); 121358f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 12144027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 12154027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 12164027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 12174027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 12181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 12200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 12210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 12220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 12231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 12250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 12260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 12270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 12280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 12291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1231d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1232a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1233e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCallconst FunctionType *ASTContext::adjustFunctionType(const FunctionType *T, 1234e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionType::ExtInfo Info) { 1235e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (T->getExtInfo() == Info) 1236e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return T; 1237e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1238e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType Result; 1239e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(T)) { 1240e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionNoProtoType(FNPT->getResultType(), Info); 1241e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } else { 1242e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall const FunctionProtoType *FPT = cast<FunctionProtoType>(T); 1243e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 1244e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall EPI.ExtInfo = Info; 1245e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1246e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FPT->getNumArgs(), EPI); 1247e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 1248e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1249e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return cast<FunctionType>(Result.getTypePtr()); 1250e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall} 1251e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 12525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 12535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 12544ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getComplexType(QualType T) const { 12555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 12565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 12585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 12591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 12625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 12631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 12655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 12665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1267467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1268f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 12691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1272c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 12735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12746b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 12755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 12775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 12815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 12824ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPointerType(QualType T) const { 12835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 12845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 12865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 12871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 12905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 12911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 12935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 12945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1295467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1296f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 12971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1300c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 13015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13026b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 13035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 13055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 13095618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 13104ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockPointerType(QualType T) const { 1311296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1312296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 13135618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 13145618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 13155618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 13161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13175618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 13185618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 13195618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 13205618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 13211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 13235618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 13245618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1325467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 13265618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 13271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13285618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 13295618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 13305618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1331c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 13325618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 13336b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 13346b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 13355618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 13365618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 13375618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 13385618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 13395618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 13407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 13417c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 13424ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 13434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) const { 13445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 13455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 13465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 134754e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 13485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13507c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 13517c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 13525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 13537c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 135454e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 135554e14c4db764c0636160d26c5bbf491637c83a76John McCall 13565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 13575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 13585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 135954e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 136054e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 136154e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 13627c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13637c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 13647c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 13657c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1366c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 13677c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 13687c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13696b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 137054e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 137154e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 13727c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 13737c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 137454e14c4db764c0636160d26c5bbf491637c83a76John McCall 13757c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 13767c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 13777c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13787c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 13797c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 13804ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRValueReferenceType(QualType T) const { 13817c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 13827c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 13837c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 138454e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 13857c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13867c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 13877c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 13887c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 13897c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 13907c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 139154e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 139254e14c4db764c0636160d26c5bbf491637c83a76John McCall 13937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 13947c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 13957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 139654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 139754e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 139854e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 13997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 14027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1403c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14066b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 14076b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 14085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 14105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1413f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1414f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 14154ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) const { 1416f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1417f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1418f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1419f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1420f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1421f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1422f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1423f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1424f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1425f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1426f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1427f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1428f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 142987c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1430f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1431f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1432f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1433f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1434f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1435c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 1436f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 14376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 14386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1439f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1440f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1441f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1442f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1443f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 14441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1445fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 14461eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 144738aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1448c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 144963e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals) const { 1450923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1451923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1452587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1453587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 145438aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 145538aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 145638aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 14579f71a8f4c7a182a5236da9e747d57cc1d1bd24c2Jay Foad ArySize = 14589f71a8f4c7a182a5236da9e747d57cc1d1bd24c2Jay Foad ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace())); 14591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 146163e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, IndexTypeQuals); 14621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 14657192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 14665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 14671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the element type isn't canonical or has qualifiers, this won't 14693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // be a canonical type either, so fill in the canonical type field. 14703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 14713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 14723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 14733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getConstantArrayType(QualType(canonSplit.first, 0), ArySize, 147463e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ASM, IndexTypeQuals); 14753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getQualifiedType(Canon, canonSplit.second); 14763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 14775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 14797192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1480c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14836b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 148463e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType(EltTy, Canon, ArySize, ASM, IndexTypeQuals); 14857192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 14865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1490ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// getVariableArrayDecayedType - Turns the given type, which may be 1491ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// variably-modified, into the corresponding type with all the known 1492ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// sizes replaced with [*]. 1493ce8890371fcdb983ae487c87fa40606a34896ff7John McCallQualType ASTContext::getVariableArrayDecayedType(QualType type) const { 1494ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Vastly most common case. 1495ce8890371fcdb983ae487c87fa40606a34896ff7John McCall if (!type->isVariablyModifiedType()) return type; 1496ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1497ce8890371fcdb983ae487c87fa40606a34896ff7John McCall QualType result; 1498ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1499ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SplitQualType split = type.getSplitDesugaredType(); 1500ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const Type *ty = split.first; 1501ce8890371fcdb983ae487c87fa40606a34896ff7John McCall switch (ty->getTypeClass()) { 1502ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define TYPE(Class, Base) 1503ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define ABSTRACT_TYPE(Class, Base) 1504ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 1505ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#include "clang/AST/TypeNodes.def" 1506ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("didn't desugar past all non-canonical types?"); 1507ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1508ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types should never be variably-modified. 1509ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Builtin: 1510ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Complex: 1511ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Vector: 1512ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ExtVector: 1513ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedExtVector: 1514ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObject: 1515ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCInterface: 1516ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObjectPointer: 1517ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Record: 1518ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Enum: 1519ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::UnresolvedUsing: 1520ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOfExpr: 1521ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOf: 1522ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Decltype: 1523ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentName: 1524ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::InjectedClassName: 1525ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateSpecialization: 1526ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentTemplateSpecialization: 1527ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateTypeParm: 1528ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::SubstTemplateTypeParmPack: 1529ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::PackExpansion: 1530ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("type should never be variably-modified"); 1531ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1532ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified but should never need to 1533ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // further decay. 1534ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionNoProto: 1535ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionProto: 1536ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::BlockPointer: 1537ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::MemberPointer: 1538ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return type; 1539ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1540ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified. All these modifications 1541ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // preserve structure except as noted by comments. 1542ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // TODO: if we ever care about optimizing VLAs, there are no-op 1543ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // optimizations available here. 1544ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Pointer: 1545ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getPointerType(getVariableArrayDecayedType( 1546ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cast<PointerType>(ty)->getPointeeType())); 1547ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1548ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1549ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::LValueReference: { 1550ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const LValueReferenceType *lv = cast<LValueReferenceType>(ty); 1551ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getLValueReferenceType( 1552ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType()), 1553ce8890371fcdb983ae487c87fa40606a34896ff7John McCall lv->isSpelledAsLValue()); 1554ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1555745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1556ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1557ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::RValueReference: { 1558ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const RValueReferenceType *lv = cast<RValueReferenceType>(ty); 1559ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getRValueReferenceType( 1560ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType())); 1561ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1562745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1563745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1564ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ConstantArray: { 1565ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const ConstantArrayType *cat = cast<ConstantArrayType>(ty); 1566ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getConstantArrayType( 1567ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(cat->getElementType()), 1568ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSize(), 1569ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSizeModifier(), 1570ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getIndexTypeCVRQualifiers()); 1571ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1572745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1573745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1574ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedArray: { 1575ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const DependentSizedArrayType *dat = cast<DependentSizedArrayType>(ty); 1576ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getDependentSizedArrayType( 1577ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(dat->getElementType()), 1578ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeExpr(), 1579ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeModifier(), 1580ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getIndexTypeCVRQualifiers(), 1581ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getBracketsRange()); 1582ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1583ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1584ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1585ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn incomplete types into [*] types. 1586ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::IncompleteArray: { 1587ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const IncompleteArrayType *iat = cast<IncompleteArrayType>(ty); 1588ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1589ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(iat->getElementType()), 1590ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1591ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Normal, 1592ce8890371fcdb983ae487c87fa40606a34896ff7John McCall iat->getIndexTypeCVRQualifiers(), 1593ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SourceRange()); 1594ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1595ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1596ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1597ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn VLA types into [*] types. 1598ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::VariableArray: { 1599ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const VariableArrayType *vat = cast<VariableArrayType>(ty); 1600ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1601ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(vat->getElementType()), 1602ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1603ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Star, 1604ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getIndexTypeCVRQualifiers(), 1605ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getBracketsRange()); 1606ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1607ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1608ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1609ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1610ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Apply the top-level qualifiers from the original. 1611ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return getQualifiedType(result, split.second); 1612ce8890371fcdb983ae487c87fa40606a34896ff7John McCall} 1613745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1614bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1615bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 16167e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 16177e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1618c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 161963e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals, 16204ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceRange Brackets) const { 1621c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1622c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 16233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 1624715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 16253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Be sure to pull qualifiers off the element type. 16263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 16273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 16283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getVariableArrayType(QualType(canonSplit.first, 0), NumElts, ASM, 162963e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara IndexTypeQuals, Brackets); 16303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getQualifiedType(Canon, canonSplit.second); 1631715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor } 1632715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 16336b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 163463e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara VariableArrayType(EltTy, Canon, NumElts, ASM, IndexTypeQuals, Brackets); 1635c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1636c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1637c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1638c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1639c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1640c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1641898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1642898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 164304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 16443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getDependentSizedArrayType(QualType elementType, 16453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Expr *numElements, 1646898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 16473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals, 16483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SourceRange brackets) const { 16493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert((!numElements || numElements->isTypeDependent() || 16503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements->isValueDependent()) && 1651898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1652898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 16533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Dependently-sized array types that do not have a specified number 16543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of elements will have their sizes deduced from a dependent 16553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // initializer. We do no canonicalization here at all, which is okay 16563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // because they can't be used in most locations. 16573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!numElements) { 16583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *newType 16593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 16603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, QualType(), 16613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements, ASM, elementTypeQuals, 16623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 16633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 16643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1665cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1666cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 16673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we actually build a new type every time, but we 16683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // also build a canonical type. 16691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonElementType = getCanonicalType(elementType).split(); 1671898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 16723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 16733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall llvm::FoldingSetNodeID ID; 16743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType::Profile(ID, *this, 16753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(canonElementType.first, 0), 16763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, numElements); 16773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 16783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Look for an existing type with these properties. 16793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *canonTy = 16803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.FindNodeOrInsertPos(ID, insertPos); 16813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 16823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we don't have one, build one. 16833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!canonTy) { 16843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonTy = new (*this, TypeAlignment) 16853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, QualType(canonElementType.first, 0), 16863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(), numElements, ASM, elementTypeQuals, 16873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 16883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.InsertNode(canonTy, insertPos); 16893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(canonTy); 16903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 16913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 16923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Apply qualifiers from the element type to the array. 16933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon = getQualifiedType(QualType(canonTy,0), 16943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonElementType.second); 16953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 16963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we didn't need extra canonicalization for the element type, 16973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // then just use that as our result. 16983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (QualType(canonElementType.first, 0) == elementType) 16993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return canon; 17003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we need to build a type which follows the spelling 17023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of the element type. 17033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *sugaredType 17043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 17053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, canon, numElements, 17063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, brackets); 17073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(sugaredType); 17083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(sugaredType, 0); 17093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 17103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getIncompleteArrayType(QualType elementType, 1712c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 17133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals) const { 1714c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 17153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType::Profile(ID, elementType, ASM, elementTypeQuals); 1716c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 17173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 17183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (IncompleteArrayType *iat = 17193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos)) 17203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(iat, 0); 1721c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1722c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 17233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // either, so fill in the canonical type field. We also have to pull 17243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // qualifiers off the element type. 17253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 1726c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 17273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!elementType.isCanonical() || elementType.hasLocalQualifiers()) { 17283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(elementType).split(); 17293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getIncompleteArrayType(QualType(canonSplit.first, 0), 17303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals); 17313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getQualifiedType(canon, canonSplit.second); 1732c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1733c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 17343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *existing = 17353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos); 17363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!existing && "Shouldn't be in the map!"); (void) existing; 17372bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1738c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 17393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *newType = new (*this, TypeAlignment) 17403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType(elementType, canon, ASM, elementTypeQuals); 1741c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 17423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.InsertNode(newType, insertPos); 17433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 17443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1745fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1746fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 174773322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 174873322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 174982287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 17504ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad VectorType::VectorKind VecKind) const { 17513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(vecType->isBuiltinType()); 17521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 17545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1755e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::Profile(ID, vecType, NumElts, Type::Vector, VecKind); 1756788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 17575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 17585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 17595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 17605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 17625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 17635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1764255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (!vecType.isCanonical()) { 1765231da7eb3dd13007e5e40fffe48998e5ef284e06Bob Wilson Canonical = getVectorType(getCanonicalType(vecType), NumElts, VecKind); 17661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 17685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1769c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 17705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17716b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 1772e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(vecType, NumElts, Canonical, VecKind); 17735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 17745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 17755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 17765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1778213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 177973322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 17804ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 17814ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getExtVectorType(QualType vecType, unsigned NumElts) const { 17823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(vecType->isBuiltinType()); 17831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 178473322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 178573322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 1786788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, 1787e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 178873322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 178973322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 179073322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 179173322924127c873c13101b705dd823f5539ffa5fSteve Naroff 179273322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 179373322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 179473322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1795467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1796213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 17971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 179873322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 179973322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1800c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 180173322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 18026b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 18036b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 180473322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 180573322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 180673322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 180773322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 180873322924127c873c13101b705dd823f5539ffa5fSteve Naroff 18094ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 18104ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentSizedExtVectorType(QualType vecType, 18114ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Expr *SizeExpr, 18124ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation AttrLoc) const { 18132ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 18141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 18152ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 18161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18172ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 18182ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 18192ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 18202ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 18212ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 18222ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 18232ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 18246b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 18256b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 18266b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 18272ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 18282ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 18292ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 18306b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 18316b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 18326b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 1833789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1834789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 1835789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1836789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 1837789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 18382ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 18392ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 18402ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 18412ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 18426b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 18436b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 18442ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 18452ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 18461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18479cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 18489cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 18499cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 18509cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 185172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 18525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 18534ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 18544ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionNoProtoType(QualType ResultTy, 18554ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionType::ExtInfo &Info) const { 1856264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv = Info.getCC(); 18575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 18585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 18595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1860264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 18611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 18631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 186472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 18655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 18661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1868ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 186904a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 1870264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 1871264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 1872264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 18731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 187572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 187672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1877c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 18785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18806b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 1881264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType(ResultTy, Canonical, Info); 18825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 188372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 18845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 18855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 18885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 18894ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 18904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionType(QualType ResultTy, 18914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const QualType *ArgArray, unsigned NumArgs, 18924ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionProtoType::ExtProtoInfo &EPI) const { 18935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 18945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 18955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1896e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, EPI); 18975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 18991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 190072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 19015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 1902465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1903465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 1904e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall bool isCanonical = !EPI.HasExceptionSpec && ResultTy.isCanonical(); 19055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 190654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 19075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 19085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1909e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall const CallingConv CallConv = EPI.ExtInfo.getCC(); 1910e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 19115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 1912465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 19135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 191404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 19155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> CanonicalArgs; 19165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 19175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 191854e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 1919465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1920e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo CanonicalEPI = EPI; 1921e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall if (CanonicalEPI.HasExceptionSpec) { 1922e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.HasExceptionSpec = false; 1923e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.HasAnyExceptionSpec = false; 1924e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.NumExceptions = 0; 1925e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall } 1926e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.ExtInfo 1927e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall = CanonicalEPI.ExtInfo.withCallingConv(getCanonicalCallConv(CallConv)); 1928e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 1929f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 1930beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 1931e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI); 1932465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 19335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 193472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 193572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1936c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 19375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1938465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 193972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // FunctionProtoType objects are allocated with extra bytes after them 1940465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // for two variable size arrays (for parameter and exception types) at the 1941465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // end of them. 1942e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall size_t Size = sizeof(FunctionProtoType) + 1943e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall NumArgs * sizeof(QualType) + 1944e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.NumExceptions * sizeof(QualType); 1945e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType *FTP = (FunctionProtoType*) Allocate(Size, TypeAlignment); 1946e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, Canonical, EPI); 19475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 194872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 19495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 19505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 19515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19523cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 19533cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 19543cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 19553cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 19563cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 19573cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 19583cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 19593cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 19603cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 19613cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 19623cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 19633cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 19643cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 19653cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 19663cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 19673cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 19684ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType TST) const { 19693cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 19703cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 19713cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 197237ffed3b7f229844cae2463ff82b527506c86c74Argyrios Kyrtzidis } else if (CXXRecordDecl *PrevDecl = Decl->getPreviousDeclaration()) { 19733cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 19743cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 19753cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 19763cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 1977f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = 197831f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 1979f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 1980f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 19813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 19823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 19833cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 19843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 19852ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 19862ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 19874ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) const { 19881e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 1989becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 19901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 199119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(Decl)) 19922ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 1993becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 1994becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 1995becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 1996becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 199719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 1998becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 1999becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 2000becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 2001400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getRecordType(Record); 200219c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 2003becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 2004becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 2005400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getEnumType(Enum); 200619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 2007ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 2008f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = new (*this, TypeAlignment) UnresolvedUsingType(Using); 2009f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2010f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 20119fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 2012becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 201349aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 201449aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 20152ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 20162ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 20175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 20185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified typename decl. 20199763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 20204ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getTypedefType(const TypedefDecl *Decl, QualType Canonical) const { 20215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 20221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20239763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (Canonical.isNull()) 20249763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canonical = getCanonicalType(Decl->getUnderlyingType()); 2025f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall TypedefType *newType = new(*this, TypeAlignment) 20266b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 2027f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2028f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2029f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 20305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 20315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20324ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRecordType(const RecordDecl *Decl) const { 2033400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2034400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2035400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const RecordDecl *PrevDecl = Decl->getPreviousDeclaration()) 2036400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2037400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2038400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2039f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall RecordType *newType = new (*this, TypeAlignment) RecordType(Decl); 2040f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2041f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2042f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2043400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2044400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 20454ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getEnumType(const EnumDecl *Decl) const { 2046400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2047400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2048400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const EnumDecl *PrevDecl = Decl->getPreviousDeclaration()) 2049400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2050400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2051400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2052f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall EnumType *newType = new (*this, TypeAlignment) EnumType(Decl); 2053f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2054f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2055f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2056400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2057400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 20589d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallQualType ASTContext::getAttributedType(AttributedType::Kind attrKind, 20599d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modifiedType, 20609d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType equivalentType) { 20619d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall llvm::FoldingSetNodeID id; 20629d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType::Profile(id, attrKind, modifiedType, equivalentType); 20639d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 20649d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall void *insertPos = 0; 20659d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType *type = AttributedTypes.FindNodeOrInsertPos(id, insertPos); 20669d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall if (type) return QualType(type, 0); 20679d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 20689d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType canon = getCanonicalType(equivalentType); 20699d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall type = new (*this, TypeAlignment) 20709d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType(canon, attrKind, modifiedType, equivalentType); 20719d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 20729d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Types.push_back(type); 20739d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypes.InsertNode(type, insertPos); 20749d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 20759d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return QualType(type, 0); 20769d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall} 20779d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 20789d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 207949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 208049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 208149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 20824ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Replacement) const { 2083467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 208449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 208549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 208649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 208749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 208849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 208949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 209049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 209149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 209249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 209349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 209449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 209549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 209649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 209749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 209849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 209949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 210049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 210149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 2102c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// \brief Retrieve a 2103c3069d618f4661d923cb1b5c4525b082fce73b04Douglas GregorQualType ASTContext::getSubstTemplateTypeParmPackType( 2104c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Parm, 2105c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack) { 2106c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#ifndef NDEBUG 2107c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor for (TemplateArgument::pack_iterator P = ArgPack.pack_begin(), 2108c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor PEnd = ArgPack.pack_end(); 2109c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor P != PEnd; ++P) { 2110c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getKind() == TemplateArgument::Type &&"Pack contains a non-type"); 2111c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getAsType().isCanonical() && "Pack contains non-canonical type"); 2112c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2113c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#endif 2114c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2115c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor llvm::FoldingSetNodeID ID; 2116c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType::Profile(ID, Parm, ArgPack); 2117c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor void *InsertPos = 0; 2118c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (SubstTemplateTypeParmPackType *SubstParm 2119c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos)) 2120c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2121c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2122c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType Canon; 2123c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (!Parm->isCanonicalUnqualified()) { 2124c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getCanonicalType(QualType(Parm, 0)); 2125c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getSubstTemplateTypeParmPackType(cast<TemplateTypeParmType>(Canon), 2126c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2127c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos); 2128c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2129c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2130c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType *SubstParm 2131c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = new (*this, TypeAlignment) SubstTemplateTypeParmPackType(Parm, Canon, 2132c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2133c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Types.push_back(SubstParm); 2134c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 2135c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2136c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor} 2137c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2138fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 21391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 214076e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 21411eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 214276e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 21434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad IdentifierInfo *Name) const { 2144fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 2145efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, Name); 2146fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 21471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 2148fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2149fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2150fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 2151fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 21521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2153efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor if (Name) { 215476e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 2155efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TypeParm = new (*this, TypeAlignment) 2156efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType(Depth, Index, ParameterPack, Name, Canon); 2157789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2158789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 2159789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2160789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 2161789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 216276e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 21636b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 21646b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 2165fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2166fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 2167fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 2168fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2169fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 2170fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 2171fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 21723cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 21733cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 21743cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 21753cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 21764ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType CanonType) const { 21773cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST = getTemplateSpecializationType(Name, Args, CanonType); 21783cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 21793cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 21803cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 21813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 21823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 21833cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 21843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 21853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 21863cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 21873cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 21883cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 21893cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 21901eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 21917532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 2192d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 21934ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Canon) const { 2194d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 2195d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 2196833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall llvm::SmallVector<TemplateArgument, 4> ArgVec; 2197833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 2198833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 2199833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 2200833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 220131f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 220271d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Canon); 2203833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 2204833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2205833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 2206833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 22077532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 22087532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 22094ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Canon) const { 2210b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (!Canon.isNull()) 2211b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = getCanonicalType(Canon); 22129763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis else 22139763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canon = getCanonicalTemplateSpecializationType(Template, Args, NumArgs); 2214fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 22151275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 22161275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 22171275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 22181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 221940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor sizeof(TemplateArgument) * NumArgs), 22206b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 22211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 2222ef99001908e799c388f1363b1e607dad5f5b57d3John McCall = new (Mem) TemplateSpecializationType(Template, 222331f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 2224828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor Canon); 22251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 222655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 22271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 222855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 222955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 22301eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 22319763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getCanonicalTemplateSpecializationType(TemplateName Template, 22329763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis const TemplateArgument *Args, 22334ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumArgs) const { 22349763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Build the canonical template specialization type. 22359763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateName CanonTemplate = getCanonicalTemplateName(Template); 22369763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::SmallVector<TemplateArgument, 4> CanonArgs; 22379763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.reserve(NumArgs); 22389763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis for (unsigned I = 0; I != NumArgs; ++I) 22399763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 22409763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 22419763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Determine whether this canonical template specialization type already 22429763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // exists. 22439763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::FoldingSetNodeID ID; 22449763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType::Profile(ID, CanonTemplate, 22459763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, *this); 22469763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 22479763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *InsertPos = 0; 22489763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType *Spec 22499763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 22509763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 22519763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (!Spec) { 22529763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Allocate a new canonical template specialization type. 22539763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *Mem = Allocate((sizeof(TemplateSpecializationType) + 22549763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis sizeof(TemplateArgument) * NumArgs), 22559763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TypeAlignment); 22569763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Spec = new (Mem) TemplateSpecializationType(CanonTemplate, 22579763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, 22589763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis QualType()); 22599763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Types.push_back(Spec); 22609763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 22619763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis } 22629763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 22639763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis assert(Spec->isDependentType() && 22649763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis "Non-dependent template-id type must have a canonical type"); 22659763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis return QualType(Spec, 0); 22669763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis} 22679763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 22689763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2269465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 2270465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 22714ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType NamedType) const { 2272e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 2273465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 2274e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2275e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 2276465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2277e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 2278e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2279e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2280789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 2281789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 2282789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 2283465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2284465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 2285789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 2286789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 2287789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2288465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 2289e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 2290465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 2291e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2292e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 2293e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2294075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo BagnaraQualType 22954ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getParenType(QualType InnerType) const { 2296075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara llvm::FoldingSetNodeID ID; 2297075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType::Profile(ID, InnerType); 2298075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2299075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void *InsertPos = 0; 2300075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *T = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2301075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (T) 2302075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2303075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2304075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Canon = InnerType; 2305075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (!Canon.isCanonical()) { 2306075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Canon = getCanonicalType(InnerType); 2307075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *CheckT = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2308075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara assert(!CheckT && "Paren canonical type broken"); 2309075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara (void)CheckT; 2310075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 2311075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2312075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara T = new (*this) ParenType(InnerType, Canon); 2313075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Types.push_back(T); 2314075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenTypes.InsertNode(T, InsertPos); 2315075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2316075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara} 2317075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 23184a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 23194a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 23204a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 23214ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Canon) const { 2322d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 2323d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2324d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 2325d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 23264a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 23274a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 23284a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 23294a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 23304a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 23314a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 2332d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2333d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2334d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 23354a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 2336d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2337d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 23384714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 23394714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 2340d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 2341d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 2342d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 23434a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 2344d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 23454714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 23461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 2347d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2348d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 23491eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 235033500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 235133500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 23524a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 235333500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 23544ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgumentListInfo &Args) const { 235533500955d731c73717af52088b7fc0e7a85681e7John McCall // TODO: avoid this copy 235633500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> ArgCopy; 235733500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0, E = Args.size(); I != E; ++I) 235833500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.push_back(Args[I].getArgument()); 235933500955d731c73717af52088b7fc0e7a85681e7John McCall return getDependentTemplateSpecializationType(Keyword, NNS, Name, 236033500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.size(), 236133500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.data()); 236233500955d731c73717af52088b7fc0e7a85681e7John McCall} 236333500955d731c73717af52088b7fc0e7a85681e7John McCall 236433500955d731c73717af52088b7fc0e7a85681e7John McCallQualType 236533500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 236633500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 236733500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 236833500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 236933500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 23704ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgument *Args) const { 23711734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 23721734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2373789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 237433500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType::Profile(ID, *this, Keyword, NNS, 237533500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args); 2376789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2377789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 237833500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType *T 237933500955d731c73717af52088b7fc0e7a85681e7John McCall = DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 2380789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 2381789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 2382789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 238333500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 238433500955d731c73717af52088b7fc0e7a85681e7John McCall 238533500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword CanonKeyword = Keyword; 238633500955d731c73717af52088b7fc0e7a85681e7John McCall if (Keyword == ETK_None) CanonKeyword = ETK_Typename; 23871734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 238833500955d731c73717af52088b7fc0e7a85681e7John McCall bool AnyNonCanonArgs = false; 238933500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> CanonArgs(NumArgs); 239033500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0; I != NumArgs; ++I) { 239133500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs[I] = getCanonicalTemplateArgument(Args[I]); 239233500955d731c73717af52088b7fc0e7a85681e7John McCall if (!CanonArgs[I].structurallyEquals(Args[I])) 239333500955d731c73717af52088b7fc0e7a85681e7John McCall AnyNonCanonArgs = true; 2394789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 23951734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 239633500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon; 239733500955d731c73717af52088b7fc0e7a85681e7John McCall if (AnyNonCanonArgs || CanonNNS != NNS || CanonKeyword != Keyword) { 239833500955d731c73717af52088b7fc0e7a85681e7John McCall Canon = getDependentTemplateSpecializationType(CanonKeyword, CanonNNS, 239933500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, 240033500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs.data()); 240133500955d731c73717af52088b7fc0e7a85681e7John McCall 240233500955d731c73717af52088b7fc0e7a85681e7John McCall // Find the insert position again. 240333500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 240433500955d731c73717af52088b7fc0e7a85681e7John McCall } 240533500955d731c73717af52088b7fc0e7a85681e7John McCall 240633500955d731c73717af52088b7fc0e7a85681e7John McCall void *Mem = Allocate((sizeof(DependentTemplateSpecializationType) + 240733500955d731c73717af52088b7fc0e7a85681e7John McCall sizeof(TemplateArgument) * NumArgs), 240833500955d731c73717af52088b7fc0e7a85681e7John McCall TypeAlignment); 2409ef99001908e799c388f1363b1e607dad5f5b57d3John McCall T = new (Mem) DependentTemplateSpecializationType(Keyword, NNS, 241033500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args, Canon); 24111734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 241233500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.InsertNode(T, InsertPos); 24131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 24141734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 24151734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2416cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas GregorQualType ASTContext::getPackExpansionType(QualType Pattern, 2417cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) { 24187536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor llvm::FoldingSetNodeID ID; 2419cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor PackExpansionType::Profile(ID, Pattern, NumExpansions); 24207536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 24217536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor assert(Pattern->containsUnexpandedParameterPack() && 24227536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor "Pack expansions must expand one or more parameter packs"); 24237536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void *InsertPos = 0; 24247536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionType *T 24257536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor = PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 24267536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (T) 24277536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 24287536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 24297536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Canon; 24307536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (!Pattern.isCanonical()) { 2431cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Canon = getPackExpansionType(getCanonicalType(Pattern), NumExpansions); 24327536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 24337536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor // Find the insert position again. 24347536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 24357536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 24367536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 2437cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor T = new (*this) PackExpansionType(Pattern, Canon, NumExpansions); 24387536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor Types.push_back(T); 24397536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.InsertNode(T, InsertPos); 24407536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 24417536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor} 24427536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 244388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 244488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 244588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 244688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 24472e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 244888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 244988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2450c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 245154e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 245254e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 245354e14c4db764c0636160d26c5bbf491637c83a76John McCall 245454e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 245554e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 245654e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 245754e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 245854e14c4db764c0636160d26c5bbf491637c83a76John McCall} 245954e14c4db764c0636160d26c5bbf491637c83a76John McCall 246054e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 246188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 246288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 24631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 246488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 246588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 246688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 246788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 246888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 246988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 247088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 247188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2472c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2473c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 24744ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumProtocols) const { 2475c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2476c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2477c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2478c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2479d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2480c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2481c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2482c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2483d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2484c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2485c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2486d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2487c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2488c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 248954e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2490c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2491c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2492c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 24930237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 24940237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 249554e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 249654e14c4db764c0636160d26c5bbf491637c83a76John McCall 249754e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2498c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2499c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 250054e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2501c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2502c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 250354e14c4db764c0636160d26c5bbf491637c83a76John McCall } 250454e14c4db764c0636160d26c5bbf491637c83a76John McCall 250554e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2506c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 250754e14c4db764c0636160d26c5bbf491637c83a76John McCall } 250854e14c4db764c0636160d26c5bbf491637c83a76John McCall 2509c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2510c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2511fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2512c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2513c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 25141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2515c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2516c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2517c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2518d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 251988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2520c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2521c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 25224ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) const { 25234b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2524c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 25251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25264b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2527c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2528c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 25294b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 25301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2531c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 253254e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2533c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2534c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 253554e14c4db764c0636160d26c5bbf491637c83a76John McCall 2536c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2537c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 253854e14c4db764c0636160d26c5bbf491637c83a76John McCall } 253954e14c4db764c0636160d26c5bbf491637c83a76John McCall 2540c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2541c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2542c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2543c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 254424fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 254524fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2546c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 254724fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 254824fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 254924fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2550deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// getObjCInterfaceType - Return the unique reference to the type for the 2551deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// specified ObjC interface decl. The list of protocols is optional. 25524ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) const { 2553deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor if (Decl->TypeForDecl) 2554deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(Decl->TypeForDecl, 0); 255574c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl 2556deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor // FIXME: redeclarations? 2557deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2558deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2559deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Decl->TypeForDecl = T; 2560deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Types.push_back(T); 2561deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(T, 0); 2562c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2563c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 256472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 256572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 25669752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 25671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 25689752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 25694ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfExprType(Expr *tofExpr) const { 2570dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2571b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2572b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2573b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 25741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2575b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2576b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2577b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2578b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2579b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2580b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 25816b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2582b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 2583b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2584b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor else { 2585b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 25866b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 25876b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2588b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2589b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2590b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2591b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2592dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 25936b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2594dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 25959752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 25969752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2597d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2598d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 25999752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 26009752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 26019752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 26021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 26039752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 26044ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfType(QualType tofType) const { 2605f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 26066b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 26079752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 26089752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2609d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2610d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 261160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 261260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 26134ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType getDecltypeForExpr(const Expr *e, const ASTContext &Context) { 2614a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2615a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 26161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 261760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 261860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 261960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 262060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 262160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 262260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 262360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 262460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 262560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 262660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 262760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 262860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 262960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 263060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 263160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 26321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 263360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 26341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 263660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 26377eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall if (e->isLValue()) 263860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 26391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 264060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 264160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 264260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2643395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2644395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2645395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 26461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2647395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 26484ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getDecltypeType(Expr *e) const { 2649dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 26509d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (e->isTypeDependent()) { 26519d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 26529d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 26531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26549d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 26559d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 26569d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 26579d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 26589d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 26599d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 26606b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 26619d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 26629d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 26639d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor else { 26649d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 26656b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 26669d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 26679d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 26689d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 26699d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2670dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 26716b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2672dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2673395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2674395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2675395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2676395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 26775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 26785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 26794ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTagDeclType(const TagDecl *Decl) const { 2680d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2681e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2682e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2683e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 26845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 26855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 26861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 26871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 26881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 2689a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 2690b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 26915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 26925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 269364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 269464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 269564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 269664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 269764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 269864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 269964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 270064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 270164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 270264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 270364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 270464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 270564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 270664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 27078b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 27088b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 27098b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 2710b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 27118b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 27128b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 2713e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2714e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 2715e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2716e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 27174ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCanQualType ASTContext::getCanonicalParamType(QualType T) const { 271854e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 271954e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 272054e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 2721745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = getVariableArrayDecayedType(T); 272254e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 272354e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 272454e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 272554e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 272654e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 272754e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 272854e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 272954e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 273054e14c4db764c0636160d26c5bbf491637c83a76John McCall } 273154e14c4db764c0636160d26c5bbf491637c83a76John McCall 273254e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 273354e14c4db764c0636160d26c5bbf491637c83a76John McCall} 273454e14c4db764c0636160d26c5bbf491637c83a76John McCall 2735c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 273662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallQualType ASTContext::getUnqualifiedArrayType(QualType type, 273762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers &quals) { 273862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall SplitQualType splitType = type.getSplitUnqualifiedType(); 273962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 274062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // FIXME: getSplitUnqualifiedType() actually walks all the way to 274162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // the unqualified desugared type and then drops it on the floor. 274262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // We then have to strip that sugar back off with 274362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // getUnqualifiedDesugaredType(), which is silly. 274462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall const ArrayType *AT = 274562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall dyn_cast<ArrayType>(splitType.first->getUnqualifiedDesugaredType()); 274662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 274762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If we don't have an array, just use the results in splitType. 27489dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 274962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals = splitType.second; 275062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(splitType.first, 0); 275128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 275228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 275362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, recurse on the array's element type. 275462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType elementType = AT->getElementType(); 275562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType unqualElementType = getUnqualifiedArrayType(elementType, quals); 275662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 275762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If that didn't change the element type, AT has no qualifiers, so we 275862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // can just use the results in splitType. 275962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (elementType == unqualElementType) { 276062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(quals.empty()); // from the recursive call 276162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals = splitType.second; 276262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(splitType.first, 0); 276362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 276462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 276562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, add in the qualifiers from the outermost type, then 276662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // build the type back up. 276762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals.addConsistentQualifiers(splitType.second); 276828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 27699dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 277062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getConstantArrayType(unqualElementType, CAT->getSize(), 277128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 277228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 277328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 27749dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 277562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getIncompleteArrayType(unqualElementType, IAT->getSizeModifier(), 0); 277628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 277728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 27789dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 277962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getVariableArrayType(unqualElementType, 27803fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 27819dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 27829dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 27839dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 27849dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 27859dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 27869dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 278762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getDependentSizedArrayType(unqualElementType, DSAT->getSizeExpr(), 278828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 278928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 279028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 279128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 27925a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// UnwrapSimilarPointerTypes - If T1 and T2 are pointer types that 27935a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// may be similar (C++ 4.4), replaces T1 and T2 with the type that 27945a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// they point to and return true. If T1 and T2 aren't pointer types 27955a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// or pointer-to-member types, or if they are not similar at this 27965a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// level, returns false and leaves T1 and T2 unchanged. Top-level 27975a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// qualifiers on T1 and T2 are ignored. This function will typically 27985a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// be called in a loop that successively "unwraps" pointer and 27995a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// pointer-to-member types to compare them at each level. 28005a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregorbool ASTContext::UnwrapSimilarPointerTypes(QualType &T1, QualType &T2) { 28015a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const PointerType *T1PtrType = T1->getAs<PointerType>(), 28025a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2PtrType = T2->getAs<PointerType>(); 28035a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1PtrType && T2PtrType) { 28045a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1PtrType->getPointeeType(); 28055a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2PtrType->getPointeeType(); 28065a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 28075a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 28085a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 28095a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const MemberPointerType *T1MPType = T1->getAs<MemberPointerType>(), 28105a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2MPType = T2->getAs<MemberPointerType>(); 28115a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1MPType && T2MPType && 28125a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor hasSameUnqualifiedType(QualType(T1MPType->getClass(), 0), 28135a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor QualType(T2MPType->getClass(), 0))) { 28145a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1MPType->getPointeeType(); 28155a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2MPType->getPointeeType(); 28165a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 28175a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 28185a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 28195a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (getLangOptions().ObjC1) { 28205a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const ObjCObjectPointerType *T1OPType = T1->getAs<ObjCObjectPointerType>(), 28215a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2OPType = T2->getAs<ObjCObjectPointerType>(); 28225a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1OPType && T2OPType) { 28235a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1OPType->getPointeeType(); 28245a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2OPType->getPointeeType(); 28255a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 28265a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 28275a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 28285a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 28295a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor // FIXME: Block pointers, too? 28305a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 28315a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return false; 28325a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor} 28335a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 28344ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadDeclarationNameInfo 28354ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getNameForTemplate(TemplateName Name, 28364ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation NameLoc) const { 283780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (TemplateDecl *TD = Name.getAsTemplateDecl()) 28382577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 28392577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(TD->getDeclName(), NameLoc); 28402577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 284180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DependentTemplateName *DTN = Name.getAsDependentTemplateName()) { 28422577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName DName; 284380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 28442577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getIdentifier(DTN->getIdentifier()); 28452577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc); 284680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 28472577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getCXXOperatorName(DTN->getOperator()); 28482577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: FIXME: source locations? 28492577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc DNLoc; 28502577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.BeginOpNameLoc = SourceLocation().getRawEncoding(); 28512577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.EndOpNameLoc = SourceLocation().getRawEncoding(); 28522577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc, DNLoc); 285380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 285480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 285580ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 28560bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 28570bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(Storage); 28582577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 28592577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo((*Storage->begin())->getDeclName(), NameLoc); 286080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 286180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 28624ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) const { 28633e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateDecl *Template = Name.getAsTemplateDecl()) { 28643e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTemplateParmDecl *TTP 28653e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = dyn_cast<TemplateTemplateParmDecl>(Template)) 28663e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Template = getCanonicalTemplateTemplateParmDecl(TTP); 28673e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 28683e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // The canonical template name is the canonical template declaration. 286997fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 28703e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 287125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 28721aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor if (SubstTemplateTemplateParmPackStorage *SubstPack 28731aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = Name.getAsSubstTemplateTemplateParmPack()) { 28741aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor TemplateTemplateParmDecl *CanonParam 28751aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = getCanonicalTemplateTemplateParmDecl(SubstPack->getParameterPack()); 28761aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor TemplateArgument CanonArgPack 28771aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = getCanonicalTemplateArgument(SubstPack->getArgumentPack()); 28781aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor return getSubstTemplateTemplateParmPack(CanonParam, CanonArgPack); 28791aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 28801aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 28810bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(!Name.getAsOverloadedTemplate()); 28821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 288325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 288425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor assert(DTN && "Non-dependent template names must refer to template decls."); 288525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor return DTN->CanonicalTemplateName; 288625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 288725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 2888db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 2889db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 2890db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 2891db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 2892db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 2893db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 28941eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 28954ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) const { 28961275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 28971275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 28981275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 28991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29001275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 29011275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 29021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29031275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 2904833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 29051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2906788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 2907788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 2908a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 2909a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor case TemplateArgument::TemplateExpansion: 2910a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor return TemplateArgument(getCanonicalTemplateName( 2911a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor Arg.getAsTemplateOrTemplatePattern()), 29122be29f423acad3bbe39099a78db2805acb5bdf17Douglas Gregor Arg.getNumTemplateExpansions()); 2913a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 29141275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 2915833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 29161275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 29171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29181275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 2919833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 29201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29211275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 292287dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor if (Arg.pack_size() == 0) 292387dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor return Arg; 292487dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor 2925910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgument *CanonArgs 2926910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor = new (*this) TemplateArgument[Arg.pack_size()]; 29271275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 29281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 29291275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 29301275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 29311275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 29321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2933910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor return TemplateArgument(CanonArgs, Arg.pack_size()); 29341275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 29351275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 29361275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 29371275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 29381275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 29391275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 29401275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 29411275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 2942d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 29434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) const { 29441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 2945d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2946d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2947d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 2948d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 2949d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 29501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 2951d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 2952d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 2953d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2954d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 2955d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 2956d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 2957d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NestedNameSpecifier::Create(*this, 0, NNS->getAsNamespace()); 2958d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2959d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 2960d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 2961d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 2962264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 2963264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // If we have some kind of dependent-named type (e.g., "typename T::type"), 2964264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // break it apart into its prefix and identifier, then reconsititute those 2965264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // as the canonical nested-name-specifier. This is required to canonicalize 2966264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // a dependent nested-name-specifier involving typedefs of dependent-name 2967264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // types, e.g., 2968264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T::type T1; 2969264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T1::type T2; 2970264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentNameType *DNT = T->getAs<DependentNameType>()) { 2971264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 2972264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DNT->getQualifier()); 2973264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor return NestedNameSpecifier::Create(*this, Prefix, 2974264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor const_cast<IdentifierInfo *>(DNT->getIdentifier())); 2975264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 2976264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 2977643f84353b3b7bbf9b73bcbc7da0ef8a39a5ca99Douglas Gregor // Do the same thing as above, but with dependent-named specializations. 2978264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentTemplateSpecializationType *DTST 2979264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = T->getAs<DependentTemplateSpecializationType>()) { 2980264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 2981264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DTST->getQualifier()); 2982264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor TemplateName Name 2983264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getDependentTemplateName(Prefix, DTST->getIdentifier()); 2984264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor T = getTemplateSpecializationType(Name, 2985264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor DTST->getArgs(), DTST->getNumArgs()); 2986264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor T = getCanonicalType(T); 2987264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 2988264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 29893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return NestedNameSpecifier::Create(*this, 0, false, 29903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const_cast<Type*>(T.getTypePtr())); 2991d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2992d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2993d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 2994d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 2995d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 2996d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2997d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2998d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 2999d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 3000d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 3001d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3002c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 30034ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadconst ArrayType *ASTContext::getAsArrayType(QualType T) const { 3004c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 3005a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 3006c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 3007c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 3008c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 3009c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 30101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 30123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isa<ArrayType>(T.getCanonicalType())) 3013c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 30141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 3016c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 3017c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 30181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3019c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 3020c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 302150d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 30220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 30233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = T.getSplitDesugaredType(); 30243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs = split.second; 30251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3026c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 30273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *ATy = dyn_cast<ArrayType>(split.first); 30283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ATy == 0 || qs.empty()) 3029c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 30301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3031c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 3032c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 30333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), qs); 30341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3035c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 3036c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 3037c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 30380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 3039c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 3040c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 3041c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 30420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 3043898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 30441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 3045898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 3046898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 30471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 30483fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall DSAT->getSizeExpr(), 3049898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 30500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 30517e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 30521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3053c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 30547e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 30553fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 3056c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 30570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 30587e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 305977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 306077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 3061e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 3062e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 3063e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 3064e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 3065e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 3066e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 30674ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getArrayDecayedType(QualType Ty) const { 3068c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 3069c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 3070c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 3071c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 3072c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 3073c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 30741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3075c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 3076e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 3077e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 30780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 3079e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 3080e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 30813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(const ArrayType *array) const { 30823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getBaseElementType(array->getElementType()); 30835e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 30845e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 30853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(QualType type) const { 30863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs; 30873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall while (true) { 30883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = type.getSplitDesugaredType(); 30893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *array = split.first->getAsArrayTypeUnsafe(); 30903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!array) break; 30911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall type = array->getElementType(); 30933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall qs.addConsistentQualifiers(split.second); 30943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 30951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiedType(type, qs); 30976183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 30986183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 30990de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 31001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 31010de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 31020de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 31030de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 31040de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 31050de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 31060de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 31070de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 31080de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 31090de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 31105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 31115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 3112a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 3113183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 31145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 3115a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 3116183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 3117183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 3118a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 31195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 31205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 31215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 31225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 31235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 31245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 31251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 31261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 3127716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 3128716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 31291361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 31301361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 31311361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 31321361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 31331361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 3134716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 3135f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 3136f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 3137f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 3138f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 3139f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 31401361b11066239ea15764a2a844405352d87296b3Chris Lattner 31411361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 31421361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 31431361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 31441361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 31451361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 31461361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 31475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 31485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 31495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 31507cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 31517cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 31527cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 31531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 31544ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) const { 3155a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 3156a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 31571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3158a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 3159fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 3160a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 3161fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 3162fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 31635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 31645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3165f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 3166f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 3167f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 3168f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCallunsigned ASTContext::getIntegerRank(const Type *T) const { 3169467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 3170f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const EnumType* ET = dyn_cast<EnumType>(T)) 3171842aef8d942a880eeb9535d40de31a86838264cbJohn McCall T = ET->getDecl()->getPromotionType().getTypePtr(); 3172f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 31733f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (T->isSpecificBuiltinType(BuiltinType::WChar_S) || 31743f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner T->isSpecificBuiltinType(BuiltinType::WChar_U)) 3175a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 3176a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 3177f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 3178f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 3179f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3180f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 3181f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 3182f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3183f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 31847cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 31857cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 3186f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 31877cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 31887cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 31897cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 31907cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 3191f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 31927cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 31937cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 3194f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 31957cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 31967cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 3197f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 31987cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 31997cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 3200f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 32017cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 32027cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 3203f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 32042df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 32052df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 32062df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 3207f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 3208f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 3209f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 321004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 321104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 321204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 321304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 321404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 32154ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::isPromotableBitField(Expr *E) const { 3216ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor if (E->isTypeDependent() || E->isValueDependent()) 3217ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor return QualType(); 3218ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor 321904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 322004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 322104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 322204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 322304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 322404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 322504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 322604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 322704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 322804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 322904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 323004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 323104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 323204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 323304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 323404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 323504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 323604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 323704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 323804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 323904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 324004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 324104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 324204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 324304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 3244a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 3245a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 3246a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 32474ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPromotedIntegerType(QualType Promotable) const { 3248a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 3249a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 3250842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 3251842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 3252a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 3253a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 3254a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 3255a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 3256a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 3257a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 3258a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 3259a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 32601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 32617cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 32621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 32634ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) const { 3264f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *LHSC = getCanonicalType(LHS).getTypePtr(); 3265f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *RHSC = getCanonicalType(RHS).getTypePtr(); 32667cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 32671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3268f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 3269f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 32701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32717cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 32727cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 32731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32747cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 32757cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 32767cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 32777cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 32781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32797cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 32807cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 32817cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 32827cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 32837cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 32841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32857cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 32867cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 32871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 32887cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 32897cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 32907cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 32917cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 32927cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 32937cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 32941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32957cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 32967cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 32971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 32987cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 32995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 330071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 330179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 33024ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCreateRecordDecl(const ASTContext &Ctx, RecordDecl::TagKind TK, DeclContext *DC, 330379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson SourceLocation L, IdentifierInfo *Id) { 330479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 330579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return CXXRecordDecl::Create(Ctx, TK, DC, L, Id); 330679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 330779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return RecordDecl::Create(Ctx, TK, DC, L, Id); 330879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 330979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 33101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 33114ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getCFConstantStringType() const { 331271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 33131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 3314465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 331579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 33165cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 331779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 3318f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 33191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 332071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 33210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 3322f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 3323f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 332471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 33250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 332671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 33271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 33281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 332944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 333044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 33311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 333244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 3333a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 33341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 33354afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 33362888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 333717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 333844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 333944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 3340838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 334171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 33421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 334371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 33448467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 3345b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3346319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 33476217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3348319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 3349319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 3350319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3351319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 33522bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian// getNSConstantStringType - Return the type used for constant NSStrings. 33534ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getNSConstantStringType() const { 33542bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian if (!NSConstantStringTypeDecl) { 33552bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = 3356465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 33572bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian &Idents.get("__builtin_NSString")); 33582bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->startDefinition(); 33592bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 33602bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType FieldTypes[3]; 33612bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 33622bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const int *isa; 33632bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[0] = getPointerType(IntTy.withConst()); 33642bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const char *str; 33652bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[1] = getPointerType(CharTy.withConst()); 33662bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // unsigned int length; 33672bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[2] = UnsignedIntTy; 33682bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 33692bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // Create fields 33702bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian for (unsigned i = 0; i < 3; ++i) { 33712bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldDecl *Field = FieldDecl::Create(*this, NSConstantStringTypeDecl, 33722bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian SourceLocation(), 0, 33732bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[i], /*TInfo=*/0, 33742bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*BitWidth=*/0, 33752bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*Mutable=*/false); 33762888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 33772bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->addDecl(Field); 33782bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 33792bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 33802bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->completeDefinition(); 33812bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 33822bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 33832bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return getTagDeclType(NSConstantStringTypeDecl); 33842bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 33852bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 33862bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanianvoid ASTContext::setNSConstantStringType(QualType T) { 33872bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian const RecordType *Rec = T->getAs<RecordType>(); 33882bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian assert(Rec && "Invalid NSConstantStringType"); 33892bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = Rec->getDecl(); 33902bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 33912bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 33924ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCFastEnumerationStateType() const { 3393bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 339444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 3395465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 339679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__objcFastEnumerationState")); 33975cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall ObjCFastEnumerationStateTypeDecl->startDefinition(); 33981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3399bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 3400bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 3401de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff getPointerType(ObjCIdTypedefType), 3402bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 3403bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 3404bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 3405bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 34061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 340744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 34081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, 34091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCFastEnumerationStateTypeDecl, 34101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 3411a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 34121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 34134afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 34142888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 341517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ObjCFastEnumerationStateTypeDecl->addDecl(Field); 341644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 34171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3418838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(); 3419bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 34201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3421bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 3422bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 3423bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 34244ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorType() const { 3425adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 3426adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3427adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3428adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3429adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 3430465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 343179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 34325cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3433adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3434adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3435adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3436adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3437adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3438adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3439adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3440adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 3441083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 3442adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3443adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3444adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 3445adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump FieldDecl *Field = FieldDecl::Create(*this, 3446adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T, 3447adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 3448adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3449a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3450adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 3451adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*Mutable=*/false); 34522888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3453adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3454adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3455adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3456838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3457adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3458adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 3459adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3460adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3461adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3462adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3463adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stumpvoid ASTContext::setBlockDescriptorType(QualType T) { 3464adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3465adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3466adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = Rec->getDecl(); 3467adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3468adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 34694ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorExtendedType() const { 3470083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 3471083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3472083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3473083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 3474083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 3475465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 347679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 34775cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3478083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3479083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 3480083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3481083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3482083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 3483083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 3484083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3485083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3486083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 3487083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 3488083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 3489083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 3490083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 3491083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3492083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3493083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 3494083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump FieldDecl *Field = FieldDecl::Create(*this, 3495083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T, 3496083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 3497083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 3498a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3499083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 3500083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*Mutable=*/false); 35012888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3502083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 3503083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 3504083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3505838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3506083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3507083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 3508083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3509083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3510083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3511083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3512083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stumpvoid ASTContext::setBlockDescriptorExtendedType(QualType T) { 3513083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3514083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3515083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = Rec->getDecl(); 3516083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3517083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 35184ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::BlockRequiresCopying(QualType Ty) const { 3519af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isBlockPointerType()) 3520af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3521af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (isObjCNSObjectType(Ty)) 3522af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3523af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isObjCObjectPointerType()) 3524af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3525e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (getLangOptions().CPlusPlus) { 3526e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (const RecordType *RT = Ty->getAs<RecordType>()) { 3527e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl()); 3528e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian return RD->hasConstCopyConstructor(*this); 3529e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian 3530e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3531e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3532af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3533af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3534af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 35354ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 35364ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::BuildByRefType(llvm::StringRef DeclName, QualType Ty) const { 3537af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3538ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3539af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3540ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3541ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 3542a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__copy_helper; // as needed 3543a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__destroy_help // as needed 3544af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3545ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3546ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3547af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3548af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3549af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 3550f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3551f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3552f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3553af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3554465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 355579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 3556af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3557af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3558af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3559af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3560af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3561af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3562af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3563af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3564af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3565af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3566af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3567af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3568af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 35694087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef FieldNames[] = { 3570af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3571af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3572af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3573af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3574af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3575af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3576af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3577af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3578af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3579af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3580af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3581af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3582af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3583af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3584a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3585af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /*BitWidth=*/0, /*Mutable=*/false); 35862888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3587af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3588af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3589af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3590838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3591af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3592af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3593ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3594ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3595ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3596ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike StumpQualType ASTContext::getBlockParmType( 3597083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump bool BlockHasCopyDispose, 35984ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad llvm::SmallVectorImpl<const Expr *> &Layout) const { 3599ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 3600adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Move up 3601f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3602f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__block_literal_" 3603f5942a44880be26878592eb052b737579349411eBenjamin Kramer << ++UniqueBlockParmTypeID; 3604adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3605465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 360679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 36075cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3608adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3609adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3610adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3611adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3612adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3613083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump (BlockHasCopyDispose ? 3614083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorExtendedType()) : 3615083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorType())) 3616adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3617adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3618adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3619adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__isa", 3620adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__flags", 3621adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__reserved", 3622adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__FuncPtr", 3623adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__descriptor" 3624adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3625adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3626adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 5; ++i) { 3627ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3628adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3629a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3630ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 36312888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3632ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump T->addDecl(Field); 3633ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3634ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3635ea1471e0e967548c596a71469702f8846dbaf3c0John McCall for (unsigned i = 0; i < Layout.size(); ++i) { 3636ea1471e0e967548c596a71469702f8846dbaf3c0John McCall const Expr *E = Layout[i]; 3637ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 3638ea1471e0e967548c596a71469702f8846dbaf3c0John McCall QualType FieldType = E->getType(); 3639ea1471e0e967548c596a71469702f8846dbaf3c0John McCall IdentifierInfo *FieldName = 0; 3640ea1471e0e967548c596a71469702f8846dbaf3c0John McCall if (isa<CXXThisExpr>(E)) { 3641ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName = &Idents.get("this"); 3642ea1471e0e967548c596a71469702f8846dbaf3c0John McCall } else if (const BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(E)) { 3643ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const ValueDecl *D = BDRE->getDecl(); 3644ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName = D->getIdentifier(); 3645ea1471e0e967548c596a71469702f8846dbaf3c0John McCall if (BDRE->isByRef()) 36464087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FieldType = BuildByRefType(D->getName(), FieldType); 3647ea1471e0e967548c596a71469702f8846dbaf3c0John McCall } else { 3648ea1471e0e967548c596a71469702f8846dbaf3c0John McCall // Padding. 3649ea1471e0e967548c596a71469702f8846dbaf3c0John McCall assert(isa<ConstantArrayType>(FieldType) && 3650ea1471e0e967548c596a71469702f8846dbaf3c0John McCall isa<DeclRefExpr>(E) && 3651ea1471e0e967548c596a71469702f8846dbaf3c0John McCall !cast<DeclRefExpr>(E)->getDecl()->getDeclName() && 3652ea1471e0e967548c596a71469702f8846dbaf3c0John McCall "doesn't match characteristics of padding decl"); 3653ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3654ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3655ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3656ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName, FieldType, /*TInfo=*/0, 3657ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 36582888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3659adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3660adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3661adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3662838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3663ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3664ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump return getPointerType(getTagDeclType(T)); 3665adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3666adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3667319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setObjCFastEnumerationStateType(QualType T) { 36686217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3669319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid ObjCFAstEnumerationStateType"); 3670319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCFastEnumerationStateTypeDecl = Rec->getDecl(); 3671319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3672319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 3673e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3674e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 36752d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3676e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3677bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3678bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 36791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 368085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 368185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 368285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3683a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 368433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 36854ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) const { 3686199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 36871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 368833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 36892ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor if (sz.isPositive() && type->isIntegralOrEnumerationType()) 3690199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 369133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 369233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3693199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3694aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3695199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3696199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3697199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3698199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3699199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 370033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 370133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 37026b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall/// getObjCEncodingForBlock - Return the encoded type for this block 37035e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 37046b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCallstd::string ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr) const { 37056b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall std::string S; 37066b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 37075e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 37085e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 37095e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 37105e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 3711c71a4915ca216847599d03cab4ed1c5086b0eb43John McCall getObjCEncodingForType(BlockTy->getAs<FunctionType>()->getResultType(), S); 37125e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 37135e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 37145e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 37155e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3716199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3717199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 37186f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 37195e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 37205e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3721aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3722199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 37235e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 37245e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 37255e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3726199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 37275e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 37285e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 37295e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 37305e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 37315e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 37325e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 37335e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 37345e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 37355e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 37365e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 37375e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 37385e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 37395e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 37405389f48b24937ad7b4093307128b3cbf25235654David Chisnall // elements. 37415389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (!isa<ConstantArrayType>(AT)) 37425389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 37435389f48b24937ad7b4093307128b3cbf25235654David Chisnall } else if (PType->isFunctionType()) 37445389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 37455389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(PType, S); 37465389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 37475389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += getObjCEncodingTypeSize(PType); 37485389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 37496b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 37506b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall return S; 37515389f48b24937ad7b4093307128b3cbf25235654David Chisnall} 37525389f48b24937ad7b4093307128b3cbf25235654David Chisnall 37535389f48b24937ad7b4093307128b3cbf25235654David Chisnallvoid ASTContext::getObjCEncodingForFunctionDecl(const FunctionDecl *Decl, 37545389f48b24937ad7b4093307128b3cbf25235654David Chisnall std::string& S) { 37555389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Encode result type. 37565389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(Decl->getResultType(), S); 37575389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits ParmOffset; 37585389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Compute size of all parameters. 37595389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 37605389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 37615389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = (*PI)->getType(); 37625389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits sz = getObjCEncodingTypeSize(PType); 37635389f48b24937ad7b4093307128b3cbf25235654David Chisnall assert (sz.isPositive() && 37645389f48b24937ad7b4093307128b3cbf25235654David Chisnall "getObjCEncodingForMethodDecl - Incomplete param type"); 37655389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += sz; 37665389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 37675389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 37685389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset = CharUnits::Zero(); 37695389f48b24937ad7b4093307128b3cbf25235654David Chisnall 37705389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Argument types. 37715389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 37725389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 37735389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmVarDecl *PVDecl = *PI; 37745389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = PVDecl->getOriginalType(); 37755389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (const ArrayType *AT = 37765389f48b24937ad7b4093307128b3cbf25235654David Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 37775389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Use array's original type only if it has known number of 37785e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 37795e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 37805e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 37815e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 37825e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 37835e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 3784199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3785aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 37865e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 37875e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 37885e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 3789a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 379033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 37911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 37924ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 3793c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3794ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 3795a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 379633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 37970d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 379833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 379933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 380033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 380133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 3802199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 380333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 380433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 3805199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 380689951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 38077732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 380889951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 3809aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3810199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 3811199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 381233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 381333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 3814199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 381533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 3816199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 38171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 381833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 381933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 382089951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 38217732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 382289951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 38231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 38244306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 3825ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 3826ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 3827ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 3828bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 3829ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3830ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 3831ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3832ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 383333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 38344306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 38350d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 3836199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3837aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 383833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 383933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 384033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 3841c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 384283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 3843c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 3844c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 38451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 38461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 38471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 38481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 38491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 385083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 385183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 385283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 385383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 385483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 385583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 385683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 385783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 385883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 385983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 386083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 386183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 386283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 386383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 386483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 386583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 38661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 3867c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 38684ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 3869c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 3870c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 3871c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 3872c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3873c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 3874c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 38751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 3876c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 3877c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 387817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 3879653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3880c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3881c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3882c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3883c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3884c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3885c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3886c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3887c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3888c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3889c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 389061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 3891c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 389217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 3893653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3894c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3895c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3896c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3897c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3898c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3899c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3900c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3901c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 39021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3903c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3904c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3905c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3906c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3907c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 3908c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3909c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 3910090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 3911090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 39121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 3913090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 3914090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 3915c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3916c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 3917c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 3918c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3919c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 3920c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 3921c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 39221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 3923c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3924c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3925c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3926c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 3927c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 3928c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 3929c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 3930c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3931090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 3932090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 39331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3934c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 3935c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 3936077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 3937c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3938c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3939c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 3940c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 3941077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 3942c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3943c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3944c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 3945c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 3946c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 394739f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 3948c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3949c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3950c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 3951c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 3952c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3953a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 39541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 39551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 3956a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 3957a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 3958a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 39598e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 3960183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 39614ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::ULong && getIntWidth(PointeeTy) == 32) 3962a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 39631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 39644ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::Long && getIntWidth(PointeeTy) == 32) 3965a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 3966a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3967a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3968a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 3969a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 39707d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 39714ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FieldDecl *Field) const { 397282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 397382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 397482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 397582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 39761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 39775b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 397882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 397982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 398064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnallstatic char ObjCEncodingForPrimitiveKind(const ASTContext *C, QualType T) { 398164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall switch (T->getAs<BuiltinType>()->getKind()) { 398264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall default: assert(0 && "Unhandled builtin type kind"); 398364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Void: return 'v'; 398464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Bool: return 'B'; 398564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_U: 398664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UChar: return 'C'; 398764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UShort: return 'S'; 398864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt: return 'I'; 398964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULong: 39904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'L' : 'Q'; 399164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt128: return 'T'; 399264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULongLong: return 'Q'; 399364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_S: 399464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::SChar: return 'c'; 399564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Short: return 's'; 39963f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 39973f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 399864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int: return 'i'; 399964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Long: 40004ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'l' : 'q'; 400164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongLong: return 'q'; 400264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int128: return 't'; 400364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Float: return 'f'; 400464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Double: return 'd'; 40053a0be84b2aed8563150cdbd976a98838afa261ebDaniel Dunbar case BuiltinType::LongDouble: return 'D'; 400664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 400764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall} 400864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall 40094ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic void EncodeBitField(const ASTContext *Ctx, std::string& S, 401064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall QualType T, const FieldDecl *FD) { 40118b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 40128b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 40138b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 401464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The NeXT runtime encodes bit fields as b followed by the number of bits. 401564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The GNU runtime requires more information; bitfields are encoded as b, 401664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // then the offset (in bits) of the first element, then the type of the 401764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // bitfield, then the size in bits. For example, in this structure: 401864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // 401964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // struct 402064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // { 402164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int integer; 402264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int flags:2; 402364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // }; 402464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // On a 32-bit system, the encoding for flags would be b2 for the NeXT 402564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // runtime, but b32i2 for the GNU runtime. The reason for this extra 402664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // information is not especially sensible, but we're stuck with it for 402764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // compatibility with GCC, although providing it breaks anything that 402864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // actually uses runtime introspection and wants to work on both runtimes... 402964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (!Ctx->getLangOptions().NeXTRuntime) { 403064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const RecordDecl *RD = FD->getParent(); 403164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const ASTRecordLayout &RL = Ctx->getASTRecordLayout(RD); 403264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // FIXME: This same linear search is also used in ExprConstant - it might 403364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // be better if the FieldDecl stored its offset. We'd be increasing the 403464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // size of the object slightly, but saving some time every time it is used. 403564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned i = 0; 403664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall for (RecordDecl::field_iterator Field = RD->field_begin(), 403764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall FieldEnd = RD->field_end(); 403864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall Field != FieldEnd; (void)++Field, ++i) { 403964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (*Field == FD) 404064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall break; 404164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 404264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += llvm::utostr(RL.getFieldOffset(i)); 4043c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall if (T->isEnumeralType()) 4044c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall S += 'i'; 4045c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall else 40464ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad S += ObjCEncodingForPrimitiveKind(Ctx, T); 404764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 404864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 40498b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 40508b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 40518b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 405201eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 405382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 405482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 405582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 4056153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 4057090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 40584ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool EncodingProperty) const { 405964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (T->getAs<BuiltinType>()) { 4060ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 406164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return EncodeBitField(this, S, T, FD); 406264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(this, T); 4063ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4064ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 40651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4066183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 4067c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 40681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 4069c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 4070ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4071ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 407260bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 4073aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 4074aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 40756217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 40768d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 40778d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 40788d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 40798d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 4080aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 4081aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 4082aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 4083aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 4084aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 4085a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 4086a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 4087a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 4088a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 40891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 40908e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 4091a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 4092a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4093a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4094a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 40959fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 4096a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 40976217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 40986217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 4099a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 4100a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4101a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4102a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4103a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4104a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 4105a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 4106a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 4107a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 41080237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer if (llvm::StringRef(S).endswith("nr")) 41090237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 4110a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 41111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 411285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 411385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 411485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 4115e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 411685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 411785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 411885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 41196217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 41209533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 41219533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 41229533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 41239533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 41249533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 41259533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 41269533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 41279533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 41289533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 41299533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 41309533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 413185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 413285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 4133a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 4134a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 41351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 413643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 4137ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4138ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4139aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 4140ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 4141ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 4142ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 4143559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (isa<IncompleteArrayType>(AT)) { 4144559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 4145559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 4146559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 41471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4148559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4149559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 4150559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 41511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4152559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 4153559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += llvm::utostr(CAT->getSize().getZExtValue()); 4154559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson else { 4155559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 4156559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson assert(isa<VariableArrayType>(AT) && "Unknown array type!"); 4157559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 4158559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 41591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4161559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4162559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 4163559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 4164ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4165ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 41661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4167183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 4168c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 4169ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4170ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 41711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41726217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 417382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 4174d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 4175502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 4176502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 4177502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 41786fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 41796fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 41806fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 41816fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 41826fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 4183910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.data(), 4184910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.size(), 41856fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian (*this).PrintingPolicy); 41866fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 41876fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 41886fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 4189502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 4190502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 4191502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 41920d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 41937d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 419417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 419517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 419644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor Field != FieldEnd; ++Field) { 419743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (FD) { 4198d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 419944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor S += Field->getNameAsString(); 4200d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 4201d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 42021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4203d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar // Special case bit-fields. 420443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (Field->isBitField()) { 42051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 420643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian (*Field)); 4207d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } else { 4208a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType qt = Field->getType(); 4209a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(qt); 42101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(qt, S, false, true, 421143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 4212d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 42137d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 42146de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 4215d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 4216ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4217ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4218e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4219ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 42208b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 422164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall EncodeBitField(this, S, T, FD); 42228b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 42238b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 4224ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4225ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4227ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 422821a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 4229ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4230ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4232c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 4233c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 4234c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 4235c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 42360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 423743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 42380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 423943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 424043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 424143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 424243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 42432c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian llvm::SmallVector<ObjCIvarDecl*, 32> Ivars; 42442c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(OI, true, Ivars); 42452c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (unsigned i = 0, e = Ivars.size(); i != e; ++i) { 42462c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian FieldDecl *Field = cast<FieldDecl>(Ivars[i]); 42472c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (Field->isBitField()) 42482c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, Field); 424943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 42502c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, FD); 425143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 425243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 4253ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 425443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 42551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4256183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 425714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 425814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 425914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4260ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 426227d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 426327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 426427d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 426527d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 426614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 426714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4268ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4270ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 42711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 427214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 427314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 427414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 427514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 427614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 427714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 427867ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 427967ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 428014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 428114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 428214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 428314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 428414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 428514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 428614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4287ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4289ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 4290ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 4291ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 4292ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 42931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 4294ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 4295ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 42961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 42971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 4298ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 429914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 430014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4301ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 4302ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 430327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 4304ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 430527d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 430667ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 430767ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 4308ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 4309ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 4310ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 43111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4312ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 4313ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4314ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4315ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 43161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4317532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 4318532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 4319532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 4320532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 4321e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4322e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian if (T->isVectorType()) { 4323e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // This matches gcc's encoding, even though technically it is 4324e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // insufficient. 4325e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // FIXME. We should do a better job than gcc. 4326e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian return; 4327e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian } 4328e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4329ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 433085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 433185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 43321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 4333ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 4334ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 4335ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 4336ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 4337ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 4338ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 4339ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 4340ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 4341ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 4342ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 4343ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 4344ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 4345ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 4346ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 4347ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 4348ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 4349b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 43501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4351b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 4352b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 4353b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 4354ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCIdType(QualType T) { 4355de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = T; 43567e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 43577e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 4358ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCSelType(QualType T) { 435913dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = T; 4360b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 4361b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 4362ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 4363a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 4364390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 4365390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 4366ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCClassType(QualType T) { 4367de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = T; 43688baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 43698baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 4370a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 43711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 43722198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 43731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4374a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 43752198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 43762198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 43770bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 43780bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 43794ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 43804ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 43814ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad UnresolvedSetIterator End) const { 43820bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 43830bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 43847532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 43850bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 43860bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 43870bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 43880bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 43890bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 4390eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 43910bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 43920bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 43930bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 43940bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 43950bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 43967532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 43977532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 43980bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 43997532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 44007532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4401d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 4402d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 44034ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 44044ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 44054ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool TemplateKeyword, 44064ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad TemplateDecl *Template) const { 4407789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 4408d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 4409d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 44101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4411d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 4412d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 44130bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4414d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 4415d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 4416d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 4417d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 44181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4419d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 4420d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 4421d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 44227532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 44237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 44244ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 44254ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 44264ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const IdentifierInfo *Name) const { 44271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 44283b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 44297532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 44307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 44317532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 44327532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 44337532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 44347532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 44357532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 44367532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 44377532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 44387532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 44397532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 44407532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 44417532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 44427532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 44437532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 44447532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 44457532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 4446789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 4447789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4448789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 4449789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 44507532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 44517532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 44527532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 44537532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 44547532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 44557532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4456ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 4457ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 4458ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 4459ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 44604ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad OverloadedOperatorKind Operator) const { 4461ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 4462ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 4463ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4464ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 4465ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 4466ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4467ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 4468789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 4469789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4470ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4471ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 4472ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4473ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4474ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 4475ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 4476ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 4477ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 4478ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 4479ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 4480789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 4481789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 4482789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4483789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 4484789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 4485ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 4486ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4487ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 4488ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4489ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 4490ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 44911aee05d08b2184acadeb36de300e216390780d6cDouglas GregorTemplateName 44921aee05d08b2184acadeb36de300e216390780d6cDouglas GregorASTContext::getSubstTemplateTemplateParmPack(TemplateTemplateParmDecl *Param, 44931aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor const TemplateArgument &ArgPack) const { 44941aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ASTContext &Self = const_cast<ASTContext &>(*this); 44951aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor llvm::FoldingSetNodeID ID; 44961aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage::Profile(ID, Self, Param, ArgPack); 44971aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 44981aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor void *InsertPos = 0; 44991aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage *Subst 45001aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = SubstTemplateTemplateParmPacks.FindNodeOrInsertPos(ID, InsertPos); 45011aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 45021aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor if (!Subst) { 45031aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor Subst = new (*this) SubstTemplateTemplateParmPackStorage(Self, Param, 45041aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_size(), 45051aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_begin()); 45061aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPacks.InsertNode(Subst, InsertPos); 45071aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 45081aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 45091aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor return TemplateName(Subst); 45101aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor} 45111aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 4512b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 4513d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 4514d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 4515e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 4516b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 4517e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 4518b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 4519b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 4520b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 4521b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 4522b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 4523b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 4524b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 4525b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 4526b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 4527b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 4528b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 4529e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 4530b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 4531b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4532b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4533b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 4534b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4535b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4536fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// isObjCNSObjectType - Return true if this is an NSObject object using 4537fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// NSObject attribute on a c-style pointer type. 4538fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// FIXME - Make it work directly on types. 4539f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff/// FIXME: Move to Type. 4540fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// 4541fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanianbool ASTContext::isObjCNSObjectType(QualType Ty) const { 4542f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const TypedefType *TDT = dyn_cast<TypedefType>(Ty)) { 4543fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefDecl *TD = TDT->getDecl()) 454440b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (TD->getAttr<ObjCNSObjectAttr>()) 4545fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return true; 4546fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian } 45471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return false; 4548fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian} 4549fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 45504fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 45514fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 45524fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 4553ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(QualType Ty) const { 4554ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (getLangOptions().getGCMode() == LangOptions::NonGC) 4555ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::GCNone; 4556ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 4557ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(getLangOptions().ObjC1); 4558ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall Qualifiers::GC GCAttrs = Ty.getObjCGCAttr(); 4559ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 4560ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // Default behaviour under objective-C's gc is for ObjC pointers 4561ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // (or pointers to them) be treated as though they were declared 4562ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // as __strong. 4563ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (GCAttrs == Qualifiers::GCNone) { 4564ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 4565ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::Strong; 4566ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall else if (Ty->isPointerType()) 4567ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 4568ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall } else { 4569ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // It's not valid to set GC attributes on anything that isn't a 4570ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // pointer. 4571ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#ifndef NDEBUG 4572ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall QualType CT = Ty->getCanonicalTypeInternal(); 4573ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall while (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 4574ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall CT = AT->getElementType(); 4575ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(CT->isAnyPointerType() || CT->isBlockPointerType()); 4576ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#endif 45774fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 4578b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 45794fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 45804fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 45816ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 45826ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 45836ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 4584770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 45851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 45866ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 45876ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 45886ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 4589467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 45906ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 459161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 45926ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 45936ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4594255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregorbool ASTContext::areCompatibleVectorTypes(QualType FirstVec, 4595255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor QualType SecondVec) { 4596255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(FirstVec->isVectorType() && "FirstVec should be a vector type"); 4597255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(SecondVec->isVectorType() && "SecondVec should be a vector type"); 4598255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4599255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (hasSameUnqualifiedType(FirstVec, SecondVec)) 4600255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4601255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4602f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // Treat Neon vector types and most AltiVec vector types as if they are the 4603f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // equivalent GCC vector types. 4604255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *First = FirstVec->getAs<VectorType>(); 4605255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *Second = SecondVec->getAs<VectorType>(); 4606f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson if (First->getNumElements() == Second->getNumElements() && 4607255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor hasSameType(First->getElementType(), Second->getElementType()) && 4608f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecPixel && 4609f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecBool && 4610f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecPixel && 4611f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecBool) 4612255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4613255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4614255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return false; 4615255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor} 4616255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 46174084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 46184084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 46194084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 46204084c306635b70f37029dca938444e6013f08684Steve Naroff 46214084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 46224084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 46234ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool 46244ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 46254ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad ObjCProtocolDecl *rProto) const { 46264084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 462714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 46284084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 46294084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 46304084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 46314084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 46324084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 46334084c306635b70f37029dca938444e6013f08684Steve Naroff} 463414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 46354084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 46364084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 46374084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 46384084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 46394084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 46404084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 46414084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 46424084c306635b70f37029dca938444e6013f08684Steve Naroff} 46434084c306635b70f37029dca938444e6013f08684Steve Naroff 4644a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// ObjCQualifiedClassTypesAreCompatible - compare Class<p,...> and 4645a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// Class<p1, ...>. 4646a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanianbool ASTContext::ObjCQualifiedClassTypesAreCompatible(QualType lhs, 4647a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType rhs) { 4648a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *lhsQID = lhs->getAs<ObjCObjectPointerType>(); 4649a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 4650a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian assert ((lhsQID && rhsOPT) && "ObjCQualifiedClassTypesAreCompatible"); 4651a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4652a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 4653a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = lhsQID->qual_end(); I != E; ++I) { 4654a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian bool match = false; 4655a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *lhsProto = *I; 4656a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 4657a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = rhsOPT->qual_end(); J != E; ++J) { 4658a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 4659a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto)) { 4660a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian match = true; 4661a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian break; 4662a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4663a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4664a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (!match) 4665a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return false; 4666a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4667a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return true; 4668a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian} 4669a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 46704084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 46714084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 46724084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 46734084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 46744084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 46751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 46764084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 46774084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 46781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 46794084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 46804084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 46814084c306635b70f37029dca938444e6013f08684Steve Naroff 46824084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 4683183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 46841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46854084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 46861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46874084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 46881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 46894084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 46904084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 46914084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 46924084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 46934084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 46944084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 46954084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 46960fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 46974084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 46984084c306635b70f37029dca938444e6013f08684Steve Naroff } 46994084c306635b70f37029dca938444e6013f08684Steve Naroff } 47004084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 47014084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 47024084c306635b70f37029dca938444e6013f08684Steve Naroff } 47031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 47044084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 47054084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 47064084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 47074084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 4708de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 4709de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 4710de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 4711de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 47124084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 47134084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 47144084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 47154084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 47164084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 47174084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 47188f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 47198f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 4720de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 47211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 47224084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 47234084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 47244084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 47254084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 47264084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 47274084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 47284084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 47290fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 47304084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 47314084c306635b70f37029dca938444e6013f08684Steve Naroff break; 47324084c306635b70f37029dca938444e6013f08684Steve Naroff } 47334084c306635b70f37029dca938444e6013f08684Steve Naroff } 47344084c306635b70f37029dca938444e6013f08684Steve Naroff } 47354084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 4736de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 4737de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 47381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4739de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 4740de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 47411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47424084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 47434084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 47444084c306635b70f37029dca938444e6013f08684Steve Naroff 47451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 47464084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 4747de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // If both the right and left sides have qualifiers. 47484084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 47494084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 47504084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 47514084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 47524084c306635b70f37029dca938444e6013f08684Steve Naroff 4753de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // when comparing an id<P> on rhs with a static type on lhs, 47544084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 47554084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 4756de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // First, lhs protocols in the qualifier list must be found, direct 4757de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // or indirect in rhs's qualifier list or it is a mismatch. 47584084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 47594084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 47604084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 47614084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 47624084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 47634084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 47644084c306635b70f37029dca938444e6013f08684Steve Naroff break; 47654084c306635b70f37029dca938444e6013f08684Steve Naroff } 47664084c306635b70f37029dca938444e6013f08684Steve Naroff } 47674084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 47684084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 47694084c306635b70f37029dca938444e6013f08684Steve Naroff } 4770de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian 4771de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // Static class's protocols, or its super class or category protocols 4772de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // must be found, direct or indirect in rhs's qualifier list or it is a mismatch. 4773de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 4774de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4775de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian CollectInheritedProtocols(lhsID, LHSInheritedProtocols); 4776de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // This is rather dubious but matches gcc's behavior. If lhs has 4777de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // no type qualifier and its class has no static protocol(s) 4778de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // assume that it is mismatch. 4779de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (LHSInheritedProtocols.empty() && lhsOPT->qual_empty()) 4780de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 4781de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4782de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian LHSInheritedProtocols.begin(), 4783de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = LHSInheritedProtocols.end(); I != E; ++I) { 4784de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian bool match = false; 4785de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *lhsProto = (*I); 4786de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 4787de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = rhsQID->qual_end(); J != E; ++J) { 4788de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 4789de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 4790de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 4791de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian match = true; 4792de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian break; 4793de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 4794de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 4795de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (!match) 4796de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 4797de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 4798de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 47994084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 48004084c306635b70f37029dca938444e6013f08684Steve Naroff } 48014084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 48024084c306635b70f37029dca938444e6013f08684Steve Naroff} 48034084c306635b70f37029dca938444e6013f08684Steve Naroff 48044084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 48054084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 48064084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 48074084c306635b70f37029dca938444e6013f08684Steve Naroff/// 48084084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 48094084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 4810c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4811c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4812c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 48134084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 4814c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 4815c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 48164084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 48174084c306635b70f37029dca938444e6013f08684Steve Naroff 4818c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 48191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 48201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 48214084c306635b70f37029dca938444e6013f08684Steve Naroff false); 4822a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4823a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (LHS->isObjCQualifiedClass() && RHS->isObjCQualifiedClass()) 4824a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return ObjCQualifiedClassTypesAreCompatible(QualType(LHSOPT,0), 4825a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType(RHSOPT,0)); 4826a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4827c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 4828c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 48294084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 48301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48314084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 483214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 483314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4834132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 4835132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// for providing type-safty for objective-c pointers used to pass/return 4836132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 4837132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 4838132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 4839132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 4840132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4841132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *RHSOPT) { 4842a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 4843132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4844132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4845132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 4846132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 4847132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4848132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4849a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 4850132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 4851132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 4852132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 4853132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4854132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 4855132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 4856132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 4857132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 4858132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 4859132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4860132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 4861132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4862132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4863132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4864132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4865132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4866132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4867132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4868132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4869e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 4870e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 4871e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 4872e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 4873e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 4874e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 4875e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4876e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 4877e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 4878e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4879c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4880c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4881c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 4882c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 4883e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4884e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 4885e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 4886e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 4887e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 4888e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4889432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4890c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 4891c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 4892e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 4893e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 4894e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4895e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4896e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 4897e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 4898cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 4899cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 4900e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 4901e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 4902e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 4903e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4904e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4905432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 4906c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 4907c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 4908432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4909432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 4910432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 4911432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 4912432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 4913e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4914e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 4915e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4916db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 4917db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 4918db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 4919db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 4920db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 4921c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 4922c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 4923c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 4924c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 4925c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 4926c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 4927c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LDecl || !RDecl) 4928db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4929db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4930c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall while ((LDecl = LDecl->getSuperClass())) { 4931c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 4932e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 4933c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::SmallVector<ObjCProtocolDecl *, 8> Protocols; 4934c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 4935c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4936c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 4937c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 4938c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 4939c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 4940c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 4941e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4942db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian } 4943db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4944db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4945db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 4946db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4947c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 4948c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 4949c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 4950c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 4951c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 49526ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 49536ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 4954c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 49556ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 49561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49576ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 49586ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 4959c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 49606ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 49611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49626ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, then it 49636ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // isn't a superset. 4964c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (RHS->getNumProtocols() == 0) 49656ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; // FIXME: should return false! 49661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4967c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 4968c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 496991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 497091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 497191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 497291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 497391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 4974c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 4975c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 49768f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 49778f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 497891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 49798f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 49808f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 498191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 498291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 498391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 498491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 498591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 498691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 498791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 49886ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 49896ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4990389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 4991389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 4992183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 4993183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 49941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 499514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 4996389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 499714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 499814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 499914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 5000389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 5001389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 5002569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorbool ASTContext::canBindObjCObjectType(QualType To, QualType From) { 5003569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return canAssignObjCInterfaces( 5004569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(To)->getAs<ObjCObjectPointerType>(), 5005569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(From)->getAs<ObjCObjectPointerType>()); 5006569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 5007569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 50081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 5009ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 50101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 5011ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 5012447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregorbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS, 5013447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool CompareUnqualified) { 50140e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 50150e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 50160e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 5017447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return !mergeTypes(LHS, RHS, false, CompareUnqualified).isNull(); 50183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 50193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5020132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 5021132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 5022132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 5023132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 50244846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeTransparentUnionType - if T is a transparent union type and a member 50254846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// of T is compatible with SubType, return the merged type, else return 50264846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// QualType() 50274846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeTransparentUnionType(QualType T, QualType SubType, 50284846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 50294846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 50304846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (const RecordType *UT = T->getAsUnionType()) { 50314846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne RecordDecl *UD = UT->getDecl(); 50324846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (UD->hasAttr<TransparentUnionAttr>()) { 50334846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne for (RecordDecl::field_iterator it = UD->field_begin(), 50344846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne itend = UD->field_end(); it != itend; ++it) { 5035f91d7572ee7fa6f2926c8e7e816039a1154a59f8Peter Collingbourne QualType ET = it->getType().getUnqualifiedType(); 50364846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType MT = mergeTypes(ET, SubType, OfBlockPointer, Unqualified); 50374846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!MT.isNull()) 50384846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return MT; 50394846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 50404846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 50414846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 50424846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 50434846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return QualType(); 50444846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 50454846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 50464846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeFunctionArgumentTypes - merge two types which appear as function 50474846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// argument types 50484846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeFunctionArgumentTypes(QualType lhs, QualType rhs, 50494846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 50504846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 50514846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // GNU extension: two types are compatible if they appear as a function 50524846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // argument, one of the types is a transparent union type and the other 50534846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // type is compatible with a union member 50544846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType lmerge = mergeTransparentUnionType(lhs, rhs, OfBlockPointer, 50554846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 50564846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!lmerge.isNull()) 50574846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return lmerge; 50584846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 50594846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType rmerge = mergeTransparentUnionType(rhs, lhs, OfBlockPointer, 50604846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 50614846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!rmerge.isNull()) 50624846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return rmerge; 50634846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 50644846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return mergeTypes(lhs, rhs, OfBlockPointer, Unqualified); 50654846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 50664846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 5067132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 5068447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5069447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 5070183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 5071183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 507272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 507372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 50743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 50753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 50763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 50773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 5078132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 5079d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (OfBlockPointer) { 5080d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType RHS = rbase->getResultType(); 5081d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType LHS = lbase->getResultType(); 5082d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian bool UnqualifiedResult = Unqualified; 5083d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (!UnqualifiedResult) 5084d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian UnqualifiedResult = (!RHS.hasQualifiers() && LHS.hasQualifiers()); 5085d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian retType = mergeTypes(RHS, LHS, true, UnqualifiedResult); 5086d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian } 5087132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 50888cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall retType = mergeTypes(lbase->getResultType(), rbase->getResultType(), false, 50898cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall Unqualified); 50903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 5091447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5092447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5093447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = retType.getUnqualifiedType(); 5094447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5095447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType LRetType = getCanonicalType(lbase->getResultType()); 5096447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType RRetType = getCanonicalType(rbase->getResultType()); 5097447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5098447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LRetType = LRetType.getUnqualifiedType(); 5099447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RRetType = RRetType.getUnqualifiedType(); 5100447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5101447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5102447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != LRetType) 510361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 5104447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != RRetType) 510561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 51068cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 51076a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 51086a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 51096a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 51106a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 5111264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 5112264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 51138cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 51148cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Compatible functions must have compatible calling conventions 51158cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (!isSameCallConv(lbaseInfo.getCC(), rbaseInfo.getCC())) 51168cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 51178cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 51188cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Regparm is part of the calling convention. 51198cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (lbaseInfo.getRegParm() != rbaseInfo.getRegParm()) 51208cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 51218cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 51228cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // It's noreturn if either type is. 51238cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // FIXME: some uses, e.g. conditional exprs, really want this to be 'both'. 51246a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 51258cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (NoReturn != lbaseInfo.getNoReturn()) 51266a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 51278cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (NoReturn != rbaseInfo.getNoReturn()) 51286a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 51291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51308cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall FunctionType::ExtInfo einfo(NoReturn, 51318cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall lbaseInfo.getRegParm(), 51328cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall lbaseInfo.getCC()); 5133e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 51343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 5135465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 5136465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 51373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 51383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 51393d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 51403d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 51413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 51423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 51433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 51443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 51453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 51463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 51473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 51487fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 51497fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 51507fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 51513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 51523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman llvm::SmallVector<QualType, 10> types; 51533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 51543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 51553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 51564846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType argtype = mergeFunctionArgumentTypes(largtype, rargtype, 51574846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne OfBlockPointer, 51584846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 51593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 5160447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5161447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5162447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor argtype = argtype.getUnqualifiedType(); 5163447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 51643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 5165447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5166447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor largtype = largtype.getUnqualifiedType(); 5167447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor rargtype = rargtype.getUnqualifiedType(); 5168447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5169447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 517061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 517161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 517261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 517361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 51743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 51753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 51763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5177e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5178e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = lproto->getExtProtoInfo(); 5179e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 5180e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(retType, types.begin(), types.size(), EPI); 51813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 51823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 51833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 51843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 51853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 518672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 51873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 5188465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 51893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 51903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 51913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 51923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 51933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 51943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 51953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 51963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 51973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 5198b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 5199b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 5200b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 5201b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 5202b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 5203b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 52043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 52053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 52063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 52073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 52083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 52093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 52103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5211e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5212e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = proto->getExtProtoInfo(); 5213e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 52143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 5215e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall proto->getNumArgs(), EPI); 52163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 52173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 52183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 52193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 52208cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return getFunctionNoProtoType(retType, einfo); 52213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 52223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5223132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 5224447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5225447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 522643d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 522743d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 522843d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 52297c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 52307c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 52310e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 52320e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 5233447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5234447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5235447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHS = LHS.getUnqualifiedType(); 5236447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHS = RHS.getUnqualifiedType(); 5237447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 52380e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 52393d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 52403d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 52413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5242f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 52433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 52443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 52453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 52460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 5247a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 5248a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 52490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 52500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 52510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 52520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 52530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall LQuals.getAddressSpace() != RQuals.getAddressSpace()) 52540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 52550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 52560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 52570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 52580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 52590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 52600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 52610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 52620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 52630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 52640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 52650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 52660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 52670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 52680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 52690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 52700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 52710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 52720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 52730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 52743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 52750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 52760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 52770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 52783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5279852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 5280852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 5281f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 52821adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 52831adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 52841adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 52851adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 52864c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 52874c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 5288a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 5289a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 5290a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 5291a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 52921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5293c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 5294c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 5295c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 5296c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5297213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 5298213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 5299213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 53001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53014e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 53024e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 53031adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 53041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 5305842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 5306842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 5307183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 53083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 53093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 5310bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 5311183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 53123d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 53133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 5314bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 53151adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 53163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 5317ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 53183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 53194a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 53201adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 532172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 532272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 5323ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 532472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 532572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 532672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 532772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 532872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 532972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 53307c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 53317c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 533272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 533372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 533472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 533572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 5336c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 533772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 533872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 533972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 534072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 534172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 534272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 534372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 53441adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 53453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 53463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 53476217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 53486217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 5349447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5350447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5351447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5352447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5353447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, false, 5354447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 53553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 535607d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 535761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 535807d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 535961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 53603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 53613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 5362c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 5363c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 5364c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 53656217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 53666217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 5367447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5368447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5369447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5370447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5371447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer, 5372447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 5373c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 5374c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 5375c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 5376c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 5377c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 5378c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 5379c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 53801adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 53813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 53823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 53833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 53843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 53853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 53863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 53873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 53883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 5389447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5390447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSElem = LHSElem.getUnqualifiedType(); 5391447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSElem = RHSElem.getUnqualifiedType(); 5392447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5393447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5394447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSElem, RHSElem, false, Unqualified); 53953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 539661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 539761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 539861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 539961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 54003bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 54013bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 54023bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 54033bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 54043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 54053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 540661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 540761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 540861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 540961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 54103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 54113d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 54123d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 54133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 54143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 54153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 54163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 54173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 54183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 54193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 54203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 54213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 54223bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 54233bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 54247e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 54257e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 54263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 54271adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 5428447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return mergeFunctionTypes(LHS, RHS, OfBlockPointer, Unqualified); 542972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 543072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 54313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 54321adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 54333cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 54343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 543564cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 543664cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 543764cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 54383cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 54395a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 54401c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 54411c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 54423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 544361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 5444c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 5445c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 54465a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 54475a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 5448c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 5449c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 5450c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 54515fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 54525fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 54533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 545461490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 545514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 5456132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 5457132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 5458132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 5459132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian RHS->getAs<ObjCObjectPointerType>())) 5460132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 5461132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 5462132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5463183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 5464183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 546514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 546614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5467bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 5468132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5469ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 547072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 547172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 5472ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 54737192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 54742390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 54752390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 54762390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 54772390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 54782390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 54792390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 54802390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 54812390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 54822390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 54832390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 54842390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 54852390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 54862390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 54872390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 54882390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 54892390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 54902390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 54912390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 54922390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 54932390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 54942390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 54952390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 54962390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 54972390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 54982390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 5499e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 5500e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getFunctionExtInfo(LHS); 55012390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 55022390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 5503e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FPT->getNumArgs(), EPI); 55042390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 55052390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 55062390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 55072390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 55082390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 55092390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 55102390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 55112390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 55122390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 55132390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 55142390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 55152390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 55162390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 55172390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 55182390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 55192390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 55202390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 55212390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 55222390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 55232390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 55242390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 55252390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 55262390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 55272390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 55282390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 55292390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 55302390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 55312390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 55322390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 55332390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 55342390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 55352390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 55362390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 55372390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 55382390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 55392390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 55402390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 55412390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 55422390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 55432390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 55442390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 55452390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 55462390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 55472390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 55482390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 55492390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 55505426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 5551ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 5552ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 555388054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 55544ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getIntWidth(QualType T) const { 5555f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const EnumType *ET = dyn_cast<EnumType>(T)) 555629a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 55571274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (T->isBooleanType()) 55581274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor return 1; 5559f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 5560ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 5561ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5562ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 5563ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 5564f60946222721d9ba3c059563935c17b84703187aDouglas Gregor assert(T->hasSignedIntegerRepresentation() && "Unexpected type"); 55656a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 55666a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 55676a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 55686a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 5569e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VTy->getNumElements(), VTy->getVectorKind()); 55706a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 55716a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 55726a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 5573ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 55746a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 55756a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 55766a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 5577ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 5578ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 5579ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 5580ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 5581ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 5582ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 5583ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 5584ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 5585ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 5586ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 5587ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 5588ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 55892df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 55902df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 5591ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 5592ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 5593ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 5594ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 5595ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5596ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 55972cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorExternalASTSource::~ExternalASTSource() { } 55982cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 55992cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregorvoid ExternalASTSource::PrintStats() { } 560086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 56017b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios KyrtzidisASTMutationListener::~ASTMutationListener() { } 56027b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios Kyrtzidis 560386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 560486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 560586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 560686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 560786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 560886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 560933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// pointer over the consumed characters. This returns the resultant type. If 561033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// AllowTypeModifiers is false then modifier like * are not parsed, just basic 561133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// types. This allows "v2i*" to be parsed as a pointer to a v2i instead of 561233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// a vector of "i*". 561314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// 561414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// RequiresICE is filled in on return to indicate whether the value is required 561514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// to be an Integer Constant Expression. 56164ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType DecodeTypeFromStr(const char *&Str, const ASTContext &Context, 561786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 561814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool &RequiresICE, 561933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner bool AllowTypeModifiers) { 562086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 562186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 562286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 562314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = false; 5624393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 562533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Read the prefixed modifiers first. 562686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 562786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 562886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 56291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 5630393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner case 'I': 563114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = true; 5632393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner break; 563386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 563486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 563586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 563686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 563786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 563886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 563986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 564086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 564186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 564286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 564386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 564486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 564586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 564686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 564786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 564886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 564986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 565086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 56511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 565286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 565386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 565486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 565586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 565686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 565786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 565886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 565986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 566086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 566186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 566286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 566386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 566486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 566586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 566686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 566786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 566886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 566986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 567086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 567186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 567286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 567386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 567486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 567586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 567686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 567786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 567886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 567986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 568086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 568186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 568286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 568386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 568486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 568586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 568686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 568786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 568886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 568986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 569086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 569186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 569286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 569386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 569486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 569586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 569686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 569786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 569886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 569986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 570086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 570186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 570286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 570386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 570486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 570586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 570686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 570786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 570886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 570986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 5710ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'G': 5711ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCIdType(); 5712ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 5713ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'H': 5714ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCSelType(); 5715ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 571686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 571786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 571886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 571986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 572086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 572186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 572286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 572386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 572486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 572586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 572686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 572786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 572886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 572986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 573086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 573114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (Type->isArrayType()) 573286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 573314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner else 573486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 573586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 573686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 573786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 573886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 573986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 574086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 57411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 574214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, 574314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, false); 574414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require vector ICE"); 574533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner 574633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // TODO: No way to make AltiVec vectors in builtins yet. 5747788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Type = Context.getVectorType(ElementType, NumElements, 5748e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 574986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 575086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5751d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 575214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, RequiresICE, 575314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner false); 575414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require complex ICE"); 5755d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 5756d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 5757d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor } 57589a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 5759c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 5760c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 5761f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 576286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 576386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5764fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 57659a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 5766f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 5767782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 5768f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 5769f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 5770f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 5771fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 5772f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 5773fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 5774fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 5775fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 5776782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 57771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 577833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // If there are modifiers and if we're allowed to parse them, go for it. 577933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Done = !AllowTypeModifiers; 578086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 5781187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 578233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner default: Done = true; --Str; break; 578333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '*': 578433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '&': { 578533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Both pointers and references can have their pointee types 578633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // qualified with an address space. 578733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner char *End; 578833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner unsigned AddrSpace = strtoul(Str, &End, 10); 578933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (End != Str && AddrSpace != 0) { 579033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getAddrSpaceQualType(Type, AddrSpace); 579133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Str = End; 579233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 579333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (c == '*') 579433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getPointerType(Type); 579533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner else 579633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getLValueReferenceType(Type); 579733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 579833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 579933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 580033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'C': 580133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Type.withConst(); 580233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 580333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'D': 580433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getVolatileType(Type); 580533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 580686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 580786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5808393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 580914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert((!RequiresICE || Type->isIntegralOrEnumerationType()) && 5810393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner "Integer constant 'I' type must be an integer"); 58111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 581286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 581386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 581486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 581586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 581633daae66462e8f51ee153463b32bdefd60c801aaChris LattnerQualType ASTContext::GetBuiltinType(unsigned Id, 581714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner GetBuiltinTypeError &Error, 58184ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned *IntegerConstantArgs) const { 581933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(Id); 58201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 582186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner llvm::SmallVector<QualType, 8> ArgTypes; 58221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 582314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool RequiresICE = false; 582486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 582514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error, 582614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, true); 582786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 582886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 582914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 583014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Result of intrinsic cannot be required to be an ICE"); 583114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 583286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 583314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error, RequiresICE, true); 583486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 583586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 583686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 583714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // If this argument is required to be an IntegerConstantExpression and the 583814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // caller cares, fill in the bitmask we return. 583914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (RequiresICE && IntegerConstantArgs) 584014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner *IntegerConstantArgs |= 1 << ArgTypes.size(); 584114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 584286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 584386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 584486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 58451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 584686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 584786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 584886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 584986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 585086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 585186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 585200ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall FunctionType::ExtInfo EI; 585300ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (BuiltinInfo.isNoReturn(Id)) EI = EI.withNoReturn(true); 585400ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 585500ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall bool Variadic = (TypeStr[0] == '.'); 585600ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 585700ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall // We really shouldn't be making a no-proto type here, especially in C++. 585800ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (ArgTypes.empty() && Variadic) 585900ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall return getFunctionNoProtoType(ResType, EI); 5860ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 5861e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI; 586200ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.ExtInfo = EI; 586300ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.Variadic = Variadic; 5864e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5865e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), EPI); 586686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 5867a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 586890e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForFunction(const FunctionDecl *FD) { 586990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage External = GVA_StrongExternal; 587090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 587190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = FD->getLinkage(); 587290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 587390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 587490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 587590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 587690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 587790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 587890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 587990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (FD->getTemplateSpecializationKind()) { 588090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 588190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 588290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_StrongExternal; 588390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 588490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 588590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 588690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 588790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 588890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 588990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 589090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_TemplateInstantiation; 589190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 589290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 589390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 589490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 589590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isInlined()) 589690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 589790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 589890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!getLangOptions().CPlusPlus || FD->hasAttr<GNUInlineAttr>()) { 589990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // GNU or C99 inline semantics. Determine whether this symbol should be 590090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // externally visible. 590190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->isInlineDefinitionExternallyVisible()) 590290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 590390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 590490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C99 inline semantics, where the symbol is not externally visible. 590590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 590690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 590790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 590890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C++0x [temp.explicit]p9: 590990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // [ Note: The intent is that an inline function that is the subject of 591090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // an explicit instantiation declaration will still be implicitly 591190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // instantiated when used so that the body can be considered for 591290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // inlining, but that no out-of-line copy of the inline function would be 591390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // generated in the translation unit. -- end note ] 591490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->getTemplateSpecializationKind() 591590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis == TSK_ExplicitInstantiationDeclaration) 591690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 591790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 591890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_CXXInline; 591990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 592090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 592190e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForVariable(const VarDecl *VD) { 592290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // If this is a static data member, compute the kind of template 592390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // specialization. Otherwise, this variable is not part of a 592490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // template. 592590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TemplateSpecializationKind TSK = TSK_Undeclared; 592690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (VD->isStaticDataMember()) 592790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TSK = VD->getTemplateSpecializationKind(); 592890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 592990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = VD->getLinkage(); 593090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 593190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis VD->getType()->getLinkage() == UniqueExternalLinkage) 593290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 593390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 593490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 593590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 593690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 593790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 593890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 593990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 594090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 594190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (TSK) { 594290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 594390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 594490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 594590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 594690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 594790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis llvm_unreachable("Variable should not be instantiated"); 594890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Fall through to treat this like any other instantiation. 594990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 595090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 595190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 595290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 595390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 595490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_TemplateInstantiation; 595590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 595690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 595790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 595890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 595990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 596090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 59614ac7c0bb39696e92fd220118fedc484c09a69870Argyrios Kyrtzidisbool ASTContext::DeclMustBeEmitted(const Decl *D) { 596290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 596390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!VD->isFileVarDecl()) 596490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 596590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } else if (!isa<FunctionDecl>(D)) 596690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 596790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 5968ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis // Weak references don't produce any output by themselves. 5969ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (D->hasAttr<WeakRefAttr>()) 5970ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 5971ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 597290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Aliases and used decls are required. 597390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (D->hasAttr<AliasAttr>() || D->hasAttr<UsedAttr>()) 597490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 597590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 597690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 597790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Forward declarations aren't required. 597890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isThisDeclarationADefinition()) 597990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 598090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 598190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Constructors and destructors are required. 598290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->hasAttr<ConstructorAttr>() || FD->hasAttr<DestructorAttr>()) 598390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 598490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 598590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // The key function for a class is required. 598690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 598790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXRecordDecl *RD = MD->getParent(); 598890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (MD->isOutOfLine() && RD->isDynamicClass()) { 598990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXMethodDecl *KeyFunc = getKeyFunction(RD); 599090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (KeyFunc && KeyFunc->getCanonicalDecl() == MD->getCanonicalDecl()) 599190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 599290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 599390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 599490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 599590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage Linkage = GetGVALinkageForFunction(FD); 599690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 599790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // static, static inline, always_inline, and extern inline functions can 599890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // always be deferred. Normal inline functions can be deferred in C99/C++. 599990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Implicit template instantiations can also be deferred in C++. 600090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (Linkage == GVA_Internal || Linkage == GVA_C99Inline || 600190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage == GVA_CXXInline || Linkage == GVA_TemplateInstantiation) 600290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 600390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 600490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 600590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 600690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const VarDecl *VD = cast<VarDecl>(D); 600790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis assert(VD->isFileVarDecl() && "Expected file scoped var"); 600890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 6009ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (VD->isThisDeclarationADefinition() == VarDecl::DeclarationOnly) 6010ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 6011ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 601290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Structs that have non-trivial constructors or destructors are required. 601390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 601490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // FIXME: Handle references. 601590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const RecordType *RT = VD->getType()->getAs<RecordType>()) { 601690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl())) { 6017bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis if (RD->hasDefinition() && 6018bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis (!RD->hasTrivialConstructor() || !RD->hasTrivialDestructor())) 601990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 602090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 602190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 602290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 602390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage L = GetGVALinkageForVariable(VD); 602490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == GVA_Internal || L == GVA_TemplateInstantiation) { 602590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!(VD->getInit() && VD->getInit()->HasSideEffects(*this))) 602690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 602790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 602890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 602990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 603090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 6031071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 6032ee743f903858e337434ac0335f147f4de4ecae05Charles DavisCallingConv ASTContext::getDefaultMethodCallConv() { 6033ee743f903858e337434ac0335f147f4de4ecae05Charles Davis // Pass through to the C++ ABI object 6034ee743f903858e337434ac0335f147f4de4ecae05Charles Davis return ABI->getDefaultMethodCallConv(); 6035ee743f903858e337434ac0335f147f4de4ecae05Charles Davis} 6036ee743f903858e337434ac0335f147f4de4ecae05Charles Davis 60374ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::isNearlyEmpty(const CXXRecordDecl *RD) const { 6038dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson // Pass through to the C++ ABI object 6039dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson return ABI->isNearlyEmpty(RD); 6040dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson} 6041dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson 604214110477887e3dc168ffc6c191e72d705051f99ePeter CollingbourneMangleContext *ASTContext::createMangleContext() { 604314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne switch (Target.getCXXABI()) { 604414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_ARM: 604514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Itanium: 604614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createItaniumMangleContext(*this, getDiagnostics()); 604714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Microsoft: 604814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createMicrosoftMangleContext(*this, getDiagnostics()); 604914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne } 605014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne assert(0 && "Unsupported ABI"); 605114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return 0; 605214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne} 605314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 6054071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI::~CXXABI() {} 6055