ASTContext.cpp revision 7c3179cf463c3b3b8c21dbb955f933ba50b74f28
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), 2088178df3b39ab923ff5d24538812628abee33df79John McCall UniqueBlockByRefTypeID(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 3835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 3855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 3865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 3878e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 3887e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 3891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 390de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // "Builtin" typedefs set by Sema::ActOnTranslationUnitScope(). 391de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = QualType(); 392de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = QualType(); 39313dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = QualType(); 3941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39513dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 396de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 397de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 39813dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 39914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 400a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 4011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 40333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 4046e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 4056e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 4066e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 4075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 40978a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios KyrtzidisDiagnostic &ASTContext::getDiagnostics() const { 41078a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis return SourceMgr.getDiagnostics(); 41178a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis} 41278a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis 4136320064d0c60fa8683f5623881c9394fd4aa7689Douglas GregorAttrVec& ASTContext::getDeclAttrs(const Decl *D) { 4146320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AttrVec *&Result = DeclAttrs[D]; 4156320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (!Result) { 4166320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor void *Mem = Allocate(sizeof(AttrVec)); 4176320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Result = new (Mem) AttrVec; 4186320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 4196320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 4206320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor return *Result; 4216320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 4226320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 4236320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor/// \brief Erase the attributes corresponding to the given declaration. 4246320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregorvoid ASTContext::eraseDeclAttrs(const Decl *D) { 4256320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor llvm::DenseMap<const Decl*, AttrVec*>::iterator Pos = DeclAttrs.find(D); 4266320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (Pos != DeclAttrs.end()) { 4276320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Pos->second->~AttrVec(); 4286320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor DeclAttrs.erase(Pos); 4296320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 4306320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 4316320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 4326320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 433251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 434663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 4357caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 436663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 4377caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 4387caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 4397caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 4401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4417caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 4427caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 4437caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 4441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 445251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 4469421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis TemplateSpecializationKind TSK, 4479421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis SourceLocation PointOfInstantiation) { 4487caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 4497caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 4507caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 4517caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 452251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 4539421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis = new (*this) MemberSpecializationInfo(Tmpl, TSK, PointOfInstantiation); 4547caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 4557caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 4567ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 457ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 4587ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 459ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 460ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 4610d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 4621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4630d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 4640d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 4650d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 4660d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 467ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 468ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 469ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 470ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 471ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 472ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 473ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 474ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 475ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 476ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 477ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 478ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 479ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 480ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 481ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 482ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 483ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 484ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 485ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 486ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 487ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 488ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 489ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 490ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 4910d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 4920d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 493d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 494d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 495d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 496d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 497d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 4981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 499d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 500d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 501d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 502d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 503d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 504d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 505d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 506d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 507d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 5081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 509d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 510d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 511d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 5127d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 5137d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 5147d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 5157d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 5167d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 5177d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 5187d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 5197d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 5207d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 5217d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 5227d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 5237d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 5247d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 5257d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 5267d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 5277d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 5287d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 5297d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 5307d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 5317d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 532c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidisunsigned 533c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios KyrtzidisASTContext::overridden_methods_size(const CXXMethodDecl *Method) const { 534c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 535c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis = OverriddenMethods.find(Method); 536c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis if (Pos == OverriddenMethods.end()) 537c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return 0; 538c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 539c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return Pos->second.size(); 540c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis} 541c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 5427d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 5437d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 5447d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 5457d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 5467d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 547464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 548464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 549464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 550a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 551b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 552b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 553b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 554183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 555b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 556b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 557b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 558b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 559b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 560b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 561b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 562b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 563b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 5648b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 565af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 566af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 5675d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 5685d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 5694ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) const { 570dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 571dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 5724081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall bool UseAlignAttrOnly = false; 5734081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (unsigned AlignFromAttr = D->getMaxAlignment()) { 5744081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall Align = AlignFromAttr; 5754081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall 5764081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // __attribute__((aligned)) can increase or decrease alignment 5774081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // *except* on a struct or struct member, where it only increases 5784081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // alignment unless 'packed' is also specified. 5794081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // 5804081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // It is an error for [[align]] to decrease alignment, so we can 5814081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // ignore that possibility; Sema should diagnose it. 5824081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (isa<FieldDecl>(D)) { 5834081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = D->hasAttr<PackedAttr>() || 5844081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 5854081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else { 5864081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = true; 5874081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 5884081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 589dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 590ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // If we're using the align attribute only, just ignore everything 591ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // else about the declaration and its type. 5924081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (UseAlignAttrOnly) { 593ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // do nothing 594ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 5954081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 596af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 5976217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 5985d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 5995d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 6005d484e8cf710207010720589d89602233de61d01Sebastian Redl else 6015d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 6025d484e8cf710207010720589d89602233de61d01Sebastian Redl } 6035d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 6043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Adjust alignments of declarations with array type by the 6053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // large-array alignment on the target. 6066deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned MinWidth = Target.getLargeArrayMinWidth(); 6073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *arrayType; 6083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (MinWidth && (arrayType = getAsArrayType(T))) { 6093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (isa<VariableArrayType>(arrayType)) 6103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Align = std::max(Align, Target.getLargeArrayAlign()); 6113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall else if (isa<ConstantArrayType>(arrayType) && 6123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall MinWidth <= getTypeSize(cast<ConstantArrayType>(arrayType))) 6133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Align = std::max(Align, Target.getLargeArrayAlign()); 6143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 6153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Walk through any array types while we're at it. 6163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall T = getBaseElementType(arrayType); 6176deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola } 618dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 619dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 620ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 621ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Fields can be subject to extra alignment constraints, like if 622ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the field is packed, the struct is packed, or the struct has a 623ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // a max-field-alignment constraint (#pragma pack). So calculate 624ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the actual alignment of the field within the struct, and then 625ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // (as we're expected to) constrain that by the alignment of the type. 626ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (const FieldDecl *field = dyn_cast<FieldDecl>(VD)) { 627ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // So calculate the alignment of the field. 628ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall const ASTRecordLayout &layout = getASTRecordLayout(field->getParent()); 629ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 630ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Start with the record's overall alignment. 631dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck unsigned fieldAlign = toBits(layout.getAlignment()); 632ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 633ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Use the GCD of that and the offset within the record. 634ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t offset = layout.getFieldOffset(field->getFieldIndex()); 635ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (offset > 0) { 636ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Alignment is always a power of 2, so the GCD will be a power of 2, 637ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // which means we get to do this crazy thing instead of Euclid's. 638ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t lowBitOfOffset = offset & (~offset + 1); 639ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (lowBitOfOffset < fieldAlign) 640ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall fieldAlign = static_cast<unsigned>(lowBitOfOffset); 641ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall } 642ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 643ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall Align = std::min(Align, fieldAlign); 64405f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 645af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 646dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 647eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(Align); 648af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 649b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 650ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 651bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(const Type *T) const { 652ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 653eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return std::make_pair(toCharUnitsFromBits(Info.first), 654eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck toCharUnitsFromBits(Info.second)); 655ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 656ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 657ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 658bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(QualType T) const { 659ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 660ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 661ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 662a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 663a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 6640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 6650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 6660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 6670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 668d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 6694ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getTypeInfo(const Type *T) const { 6705e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 6715e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 672a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 67372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 67472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 67518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 67672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 67772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 67818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor assert(false && "Should not see dependent types"); 67972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 68072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 6815d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 6825d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 68318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 68418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 68518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 68618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 68718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 68872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 689fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 69018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 69118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 69218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 69318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 694fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 6951d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 6961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 69798be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 6989e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 699030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 700030d8846c7e520330007087e949f621989876e3aChris Lattner break; 7015c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 702213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 703030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 7049fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 7059fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 7069fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 7074bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 7086fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 7096fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 7108eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 7119fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 7129fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 7139fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 714030d8846c7e520330007087e949f621989876e3aChris Lattner break; 715030d8846c7e520330007087e949f621989876e3aChris Lattner } 7165d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 7179e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 718a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 719692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 720d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 72118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 72218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 72318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 72418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 72518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 7266f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 7279e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 7289e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 7296f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 730692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 731692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 732692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 7336f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 7349e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 7359e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 7366f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7373f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 7383f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 73964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 74064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 74164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 742f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 743f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar16Width(); 744f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar16Align(); 745f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 746f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 747f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar32Width(); 748f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar32Align(); 749f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 750692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 7516f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 7529e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 7539e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 7546f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 755692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 7566f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 7579e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 7589e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 7596f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 760692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 7616f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 7629e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 7639e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 7646f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 765692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 7666f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 7679e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 7689e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 7696f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 770ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 771ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 772ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 773ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 774ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 7756f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 7769e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 7779e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 7786f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7796f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 7805426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 7815426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 7826f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7836f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 7849e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 7859e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 7866f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7876e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 7886e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Width = Target.getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 7896e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Align = Target.getPointerAlign(0); // == sizeof(void*) 7901590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 791e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCId: 792e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCClass: 793e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCSel: 794e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Width = Target.getPointerWidth(0); 795e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Align = Target.getPointerAlign(0); 796e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian break; 797a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 798bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 799d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 8005426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 801f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 8026f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 803485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 804485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff unsigned AS = cast<BlockPointerType>(T)->getPointeeType().getAddressSpace(); 805485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 806485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 807485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 808485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 8095d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 8105d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 8115d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 8125d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 8135d484e8cf710207010720589d89602233de61d01Sebastian Redl unsigned AS = cast<ReferenceType>(T)->getPointeeType().getAddressSpace(); 8145d484e8cf710207010720589d89602233de61d01Sebastian Redl Width = Target.getPointerWidth(AS); 8155d484e8cf710207010720589d89602233de61d01Sebastian Redl Align = Target.getPointerAlign(AS); 8165d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 8175d484e8cf710207010720589d89602233de61d01Sebastian Redl } 818f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 819f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner unsigned AS = cast<PointerType>(T)->getPointeeType().getAddressSpace(); 8205426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 821f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 822f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 823f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 824f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 825071cc7deffad608165b1ddd5263e8bf181861520Charles Davis const MemberPointerType *MPT = cast<MemberPointerType>(T); 8261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 8271cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 828071cc7deffad608165b1ddd5263e8bf181861520Charles Davis Width = PtrDiffInfo.first * ABI->getMemberPointerSize(MPT); 8291cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 8301cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 831f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 8325d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 8335d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 8345d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 8351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 83698be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 8379e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 8385d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 8395d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 8405d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 841c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 842c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 84344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 8441d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 84544a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 846dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 847dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 84844a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 84944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 85072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 85172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 8521d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 8531d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 8541d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 8558389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Width = 1; 8568389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Align = 1; 8578389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 8588389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 8591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8601d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 8617176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 8627176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 8631d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 8647176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 865dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 866dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 867dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 868a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 8697532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 8709fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 87149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 87249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 87349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 87434b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: { 87534b41d939a1328f484511c6002ba2456db879a29Richard Smith const AutoType *A = cast<AutoType>(T); 87634b41d939a1328f484511c6002ba2456db879a29Richard Smith assert(A->isDeduced() && "Cannot request the size of a dependent type"); 877dc856aff4428380baa9afb5577ea04f8fb6beb13Matt Beaumont-Gay return getTypeInfo(A->getDeducedType().getTypePtr()); 87834b41d939a1328f484511c6002ba2456db879a29Richard Smith } 87934b41d939a1328f484511c6002ba2456db879a29Richard Smith 880075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara case Type::Paren: 881075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return getTypeInfo(cast<ParenType>(T)->getInnerType().getTypePtr()); 882075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 88318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 88418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor const TypedefDecl *Typedef = cast<TypedefType>(T)->getDecl(); 885df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor std::pair<uint64_t, unsigned> Info 886df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor = getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 887c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // If the typedef has an aligned attribute on it, it overrides any computed 888c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // alignment we have. This violates the GCC documentation (which says that 889c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // attribute(aligned) can only round up) but matches its implementation. 890c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner if (unsigned AttrAlign = Typedef->getMaxAlignment()) 891c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = AttrAlign; 892c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner else 893c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = Info.second; 894df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Width = Info.first; 8957532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 8967176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 89718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 89818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 89918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 90018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 90118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 90218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 90318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 90418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 905395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 906395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 907395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 908395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 909465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 910465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 9111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9129d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall case Type::Attributed: 9139d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return getTypeInfo( 9149d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall cast<AttributedType>(T)->getEquivalentType().getTypePtr()); 9159d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 91618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TemplateSpecialization: 9171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 91818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 91918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // FIXME: this is likely to be wrong once we support template 92018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // aliases, since a template alias could refer to a typedef that 92118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // has an __aligned__ attribute on it. 92218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(getCanonicalType(T)); 92318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 9241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 925464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 9269e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 927a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 928a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 929eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck/// toCharUnitsFromBits - Convert a size in bits to a size in characters. 930eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen DyckCharUnits ASTContext::toCharUnitsFromBits(int64_t BitSize) const { 931eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return CharUnits::fromQuantity(BitSize / getCharWidth()); 932eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck} 933eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck 934dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck/// toBits - Convert a size in characters to a size in characters. 935dd76a9ab9ea675671200f94b18ce95766841952bKen Dyckint64_t ASTContext::toBits(CharUnits CharSize) const { 936dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck return CharSize.getQuantity() * getCharWidth(); 937dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck} 938dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck 939bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 940bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 9414ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(QualType T) const { 942eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 943bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 9444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(const Type *T) const { 945eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 946bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 947bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 94816e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 94986fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 9504ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(QualType T) const { 951eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 95286fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 9534ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(const Type *T) const { 954eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 95586fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 95686fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 95734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 95834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 95934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 96034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 9614ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getPreferredTypeAlign(const Type *T) const { 96234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 9631eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 9641eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 965183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 9661eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 9671eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 9681eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 9691eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 9701eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 97134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 97234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 97334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 9748e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// ShallowCollectObjCIvars - 9758e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// Collect all ivars, including those synthesized, in the current class. 9768e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// 9778e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianvoid ASTContext::ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 9784ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) const { 9792c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian // FIXME. This need be removed but there are two many places which 9802c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian // assume const-ness of ObjCInterfaceDecl 9812c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian ObjCInterfaceDecl *IDecl = const_cast<ObjCInterfaceDecl *>(OI); 9822c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCIvarDecl *Iv = IDecl->all_declared_ivar_begin(); Iv; 9832c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian Iv= Iv->getNextIvar()) 9842c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian Ivars.push_back(Iv); 9852c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian} 9862c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian 9872c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// DeepCollectObjCIvars - 9882c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// This routine first collects all declared, but not synthesized, ivars in 9892c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// super class and then collects all ivars, including those synthesized for 9902c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// current class. This routine is used for implementation of current class 9912c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// when all ivars, declared and synthesized are known. 9929820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 9932c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanianvoid ASTContext::DeepCollectObjCIvars(const ObjCInterfaceDecl *OI, 9942c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian bool leafClass, 9954ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) const { 9962c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 9972c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(SuperClass, false, Ivars); 9982c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (!leafClass) { 9992c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 10002c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian E = OI->ivar_end(); I != E; ++I) 100111062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 100211062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian } 10032c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian else 10042c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian ShallowCollectObjCIvars(OI, Ivars); 10059820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 10069820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 1007e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 1008e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 1009e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 1010432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 1011e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 101253b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // We can use protocol_iterator here instead of 101353b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // all_referenced_protocol_iterator since we are walking all categories. 101453b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCInterfaceDecl::all_protocol_iterator P = OI->all_referenced_protocol_begin(), 101553b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek PE = OI->all_referenced_protocol_end(); P != PE; ++P) { 1016e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1017432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1018e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1019b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 1020b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 1021e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1022e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1023b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 1024e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 1025e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 1026e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 1027e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 1028e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 1029e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 1030e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 1031e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 1032e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 1033e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1034b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 103553b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCCategoryDecl::protocol_iterator P = OC->protocol_begin(), 1036e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 1037e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1038432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1039e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1040e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1041e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1042e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1043b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 1044e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 1045e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 1046e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1047432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1048e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1049e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1050e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1051e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1052e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1053e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 1054e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 10554ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) const { 10563bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 10573bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 105880aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian for (const ObjCCategoryDecl *CDecl = OI->getFirstClassExtension(); CDecl; 105980aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian CDecl = CDecl->getNextClassExtension()) 1060b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 1061b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 10623bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 10633bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 10643bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 1065b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 1066b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 10678e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 10688e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 10698e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 10708a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 10718a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 10728a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 10738a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 10748a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 10758a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 10768a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 10778a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 10788a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 10798a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 10808a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 10818a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 10828a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 10838a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 10848a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 10858a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 10868a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 10878a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 10888a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 10898a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 10908a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 10918a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 10928a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 10938a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 10948a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 10958a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 10968a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 10978a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 10988a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 10998a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 11001ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Get the copy initialization expression of VarDecl,or NULL if 11011ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// none exists. 1102830937bc1100fba7682f7c32c40512085870f50cFariborz JahanianExpr *ASTContext::getBlockVarCopyInits(const VarDecl*VD) { 1103d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD && "Passed null params"); 1104d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1105d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "getBlockVarCopyInits - not __block var"); 1106830937bc1100fba7682f7c32c40512085870f50cFariborz Jahanian llvm::DenseMap<const VarDecl*, Expr*>::iterator 1107d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian I = BlockVarCopyInits.find(VD); 11081ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian return (I != BlockVarCopyInits.end()) ? cast<Expr>(I->second) : 0; 11091ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 11101ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 11111ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Set the copy inialization expression of a block var decl. 11121ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanianvoid ASTContext::setBlockVarCopyInits(VarDecl*VD, Expr* Init) { 11131ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian assert(VD && Init && "Passed null params"); 1114d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1115d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "setBlockVarCopyInits - not __block var"); 11161ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian BlockVarCopyInits[VD] = Init; 11171ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 11181ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 1119a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 1120b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1121a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 1122b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 1123b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1124b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 1125b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 1126b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 1127a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 11284ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned DataSize) const { 1129109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 1130109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 1131109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 1132109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 1133a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 1134109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 1135a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 1136a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 1137a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 1138a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 1139b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 1140b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1141a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 11426952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor SourceLocation L) const { 1143a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 1144c21c7e9c2cded68f91be15be6847c9649242dc17Douglas Gregor DI->getTypeLoc().initialize(const_cast<ASTContext &>(*this), L); 1145a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 1146a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 1147a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 1148b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 11494ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) const { 1150b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 1151b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1152b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1153b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 11544ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCImplementationLayout( 11554ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ObjCImplementationDecl *D) const { 1156b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 1157b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1158b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1159a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1160a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 1161a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1162a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 11634ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 11643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallASTContext::getExtQualType(const Type *baseType, Qualifiers quals) const { 11653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned fastQuals = quals.getFastQualifiers(); 11663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall quals.removeFastQualifiers(); 11670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 11680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 11690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 11703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals::Profile(ID, baseType, quals); 11713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 11723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ExtQuals *eq = ExtQualNodes.FindNodeOrInsertPos(ID, insertPos)) { 11733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(eq->getQualifiers() == quals); 11743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 11750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 11760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 11773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the base type is not canonical, make the appropriate canonical type. 11783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 11793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!baseType->isCanonicalUnqualified()) { 11803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = baseType->getCanonicalTypeInternal().split(); 11813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonSplit.second.addConsistentQualifiers(quals); 11823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getExtQualType(canonSplit.first, canonSplit.second); 11833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 11843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Re-find the insert position. 11853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall (void) ExtQualNodes.FindNodeOrInsertPos(ID, insertPos); 11863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 11873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 11883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals *eq = new (*this, TypeAlignment) ExtQuals(baseType, canon, quals); 11893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQualNodes.InsertNode(eq, insertPos); 11903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 11910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 11920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 11934ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 11944ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) const { 1195f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1196f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1197f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1198b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 11990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 12000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 12010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 12020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 12031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 12050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 12060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 12070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 12080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 12091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1211ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1212ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1213b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 12144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Qualifiers::GC GCAttr) const { 1215d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1216b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1217d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 12181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12197f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (const PointerType *ptr = T->getAs<PointerType>()) { 12207f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall QualType Pointee = ptr->getPointeeType(); 122158f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 12224027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 12234027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 12244027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 12254027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 12261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 12280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 12290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 12300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 12311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 12330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 12340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 12350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 12360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 12371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1239d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1240a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1241e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCallconst FunctionType *ASTContext::adjustFunctionType(const FunctionType *T, 1242e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionType::ExtInfo Info) { 1243e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (T->getExtInfo() == Info) 1244e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return T; 1245e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1246e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType Result; 1247e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(T)) { 1248e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionNoProtoType(FNPT->getResultType(), Info); 1249e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } else { 1250e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall const FunctionProtoType *FPT = cast<FunctionProtoType>(T); 1251e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 1252e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall EPI.ExtInfo = Info; 1253e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1254e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FPT->getNumArgs(), EPI); 1255e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 1256e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1257e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return cast<FunctionType>(Result.getTypePtr()); 1258e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall} 1259e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 12605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 12615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 12624ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getComplexType(QualType T) const { 12635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 12645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 12665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 12671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 12705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 12711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 12735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 12745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1275467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1276f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 12771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1280c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 12815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12826b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 12835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 12855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 12895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 12904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPointerType(QualType T) const { 12915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 12925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 12945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 12951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 12985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 12991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 13015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 13025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1303467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1304f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 13051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1308c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 13095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13106b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 13115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 13135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 13175618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 13184ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockPointerType(QualType T) const { 1319296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1320296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 13215618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 13225618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 13235618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 13241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13255618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 13265618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 13275618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 13285618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 13291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 13315618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 13325618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1333467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 13345618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 13351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13365618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 13375618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 13385618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1339c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 13405618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 13416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 13426b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 13435618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 13445618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 13455618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 13465618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 13475618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 13487c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 13497c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 13504ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 13514ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) const { 13525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 13535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 13545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 135554e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 13565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13587c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 13597c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 13605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 13617c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 136254e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 136354e14c4db764c0636160d26c5bbf491637c83a76John McCall 13645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 13655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 13665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 136754e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 136854e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 136954e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 13707c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13717c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 13727c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 13737c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1374c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 13757c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 13767c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13776b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 137854e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 137954e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 13807c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 13817c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 138254e14c4db764c0636160d26c5bbf491637c83a76John McCall 13837c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 13847c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 13857c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13867c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 13877c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 13884ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRValueReferenceType(QualType T) const { 13897c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 13907c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 13917c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 139254e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 13937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13947c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 13957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 13967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 13977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 13987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 139954e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 140054e14c4db764c0636160d26c5bbf491637c83a76John McCall 14017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 14027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 14037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 140454e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 140554e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 140654e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 14077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 14107c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1411c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14146b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 14156b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 14165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 14185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1421f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1422f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 14234ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) const { 1424f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1425f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1426f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1427f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1428f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1429f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1430f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1431f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1432f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1433f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1434f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1435f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1436f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 143787c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1438f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1439f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1440f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1441f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1442f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1443c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 1444f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 14456b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 14466b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1447f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1448f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1449f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1450f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1451f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 14521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1453fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 14541eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 145538aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1456c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 145763e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals) const { 1458923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1459923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1460587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1461587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 146238aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 146338aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 146438aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 14659f71a8f4c7a182a5236da9e747d57cc1d1bd24c2Jay Foad ArySize = 14669f71a8f4c7a182a5236da9e747d57cc1d1bd24c2Jay Foad ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace())); 14671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 146963e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, IndexTypeQuals); 14701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 14737192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 14745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 14751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the element type isn't canonical or has qualifiers, this won't 14773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // be a canonical type either, so fill in the canonical type field. 14783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 14793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 14803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 14813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getConstantArrayType(QualType(canonSplit.first, 0), ArySize, 148263e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ASM, IndexTypeQuals); 14833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getQualifiedType(Canon, canonSplit.second); 14843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 14855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 14877192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1488c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14916b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 149263e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType(EltTy, Canon, ArySize, ASM, IndexTypeQuals); 14937192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 14945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1498ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// getVariableArrayDecayedType - Turns the given type, which may be 1499ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// variably-modified, into the corresponding type with all the known 1500ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// sizes replaced with [*]. 1501ce8890371fcdb983ae487c87fa40606a34896ff7John McCallQualType ASTContext::getVariableArrayDecayedType(QualType type) const { 1502ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Vastly most common case. 1503ce8890371fcdb983ae487c87fa40606a34896ff7John McCall if (!type->isVariablyModifiedType()) return type; 1504ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1505ce8890371fcdb983ae487c87fa40606a34896ff7John McCall QualType result; 1506ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1507ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SplitQualType split = type.getSplitDesugaredType(); 1508ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const Type *ty = split.first; 1509ce8890371fcdb983ae487c87fa40606a34896ff7John McCall switch (ty->getTypeClass()) { 1510ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define TYPE(Class, Base) 1511ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define ABSTRACT_TYPE(Class, Base) 1512ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 1513ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#include "clang/AST/TypeNodes.def" 1514ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("didn't desugar past all non-canonical types?"); 1515ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1516ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types should never be variably-modified. 1517ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Builtin: 1518ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Complex: 1519ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Vector: 1520ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ExtVector: 1521ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedExtVector: 1522ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObject: 1523ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCInterface: 1524ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObjectPointer: 1525ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Record: 1526ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Enum: 1527ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::UnresolvedUsing: 1528ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOfExpr: 1529ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOf: 1530ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Decltype: 1531ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentName: 1532ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::InjectedClassName: 1533ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateSpecialization: 1534ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentTemplateSpecialization: 1535ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateTypeParm: 1536ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::SubstTemplateTypeParmPack: 153734b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: 1538ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::PackExpansion: 1539ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("type should never be variably-modified"); 1540ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1541ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified but should never need to 1542ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // further decay. 1543ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionNoProto: 1544ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionProto: 1545ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::BlockPointer: 1546ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::MemberPointer: 1547ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return type; 1548ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1549ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified. All these modifications 1550ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // preserve structure except as noted by comments. 1551ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // TODO: if we ever care about optimizing VLAs, there are no-op 1552ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // optimizations available here. 1553ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Pointer: 1554ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getPointerType(getVariableArrayDecayedType( 1555ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cast<PointerType>(ty)->getPointeeType())); 1556ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1557ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1558ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::LValueReference: { 1559ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const LValueReferenceType *lv = cast<LValueReferenceType>(ty); 1560ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getLValueReferenceType( 1561ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType()), 1562ce8890371fcdb983ae487c87fa40606a34896ff7John McCall lv->isSpelledAsLValue()); 1563ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1564745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1565ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1566ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::RValueReference: { 1567ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const RValueReferenceType *lv = cast<RValueReferenceType>(ty); 1568ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getRValueReferenceType( 1569ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType())); 1570ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1571745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1572745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1573ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ConstantArray: { 1574ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const ConstantArrayType *cat = cast<ConstantArrayType>(ty); 1575ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getConstantArrayType( 1576ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(cat->getElementType()), 1577ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSize(), 1578ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSizeModifier(), 1579ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getIndexTypeCVRQualifiers()); 1580ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1581745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1582745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1583ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedArray: { 1584ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const DependentSizedArrayType *dat = cast<DependentSizedArrayType>(ty); 1585ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getDependentSizedArrayType( 1586ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(dat->getElementType()), 1587ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeExpr(), 1588ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeModifier(), 1589ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getIndexTypeCVRQualifiers(), 1590ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getBracketsRange()); 1591ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1592ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1593ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1594ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn incomplete types into [*] types. 1595ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::IncompleteArray: { 1596ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const IncompleteArrayType *iat = cast<IncompleteArrayType>(ty); 1597ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1598ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(iat->getElementType()), 1599ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1600ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Normal, 1601ce8890371fcdb983ae487c87fa40606a34896ff7John McCall iat->getIndexTypeCVRQualifiers(), 1602ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SourceRange()); 1603ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1604ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1605ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1606ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn VLA types into [*] types. 1607ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::VariableArray: { 1608ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const VariableArrayType *vat = cast<VariableArrayType>(ty); 1609ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1610ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(vat->getElementType()), 1611ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1612ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Star, 1613ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getIndexTypeCVRQualifiers(), 1614ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getBracketsRange()); 1615ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1616ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1617ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1618ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1619ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Apply the top-level qualifiers from the original. 1620ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return getQualifiedType(result, split.second); 1621ce8890371fcdb983ae487c87fa40606a34896ff7John McCall} 1622745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1623bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1624bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 16257e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 16267e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1627c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 162863e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals, 16294ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceRange Brackets) const { 1630c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1631c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 16323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 1633715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 16343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Be sure to pull qualifiers off the element type. 16353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 16363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 16373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getVariableArrayType(QualType(canonSplit.first, 0), NumElts, ASM, 163863e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara IndexTypeQuals, Brackets); 16393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getQualifiedType(Canon, canonSplit.second); 1640715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor } 1641715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 16426b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 164363e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara VariableArrayType(EltTy, Canon, NumElts, ASM, IndexTypeQuals, Brackets); 1644c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1645c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1646c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1647c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1648c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1649c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1650898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1651898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 165204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 16533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getDependentSizedArrayType(QualType elementType, 16543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Expr *numElements, 1655898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 16563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals, 16573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SourceRange brackets) const { 16583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert((!numElements || numElements->isTypeDependent() || 16593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements->isValueDependent()) && 1660898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1661898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 16623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Dependently-sized array types that do not have a specified number 16633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of elements will have their sizes deduced from a dependent 16643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // initializer. We do no canonicalization here at all, which is okay 16653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // because they can't be used in most locations. 16663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!numElements) { 16673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *newType 16683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 16693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, QualType(), 16703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements, ASM, elementTypeQuals, 16713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 16723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 16733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1674cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1675cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 16763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we actually build a new type every time, but we 16773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // also build a canonical type. 16781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonElementType = getCanonicalType(elementType).split(); 1680898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 16813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 16823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall llvm::FoldingSetNodeID ID; 16833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType::Profile(ID, *this, 16843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(canonElementType.first, 0), 16853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, numElements); 16863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 16873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Look for an existing type with these properties. 16883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *canonTy = 16893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.FindNodeOrInsertPos(ID, insertPos); 16903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 16913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we don't have one, build one. 16923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!canonTy) { 16933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonTy = new (*this, TypeAlignment) 16943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, QualType(canonElementType.first, 0), 16953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(), numElements, ASM, elementTypeQuals, 16963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 16973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.InsertNode(canonTy, insertPos); 16983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(canonTy); 16993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 17003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Apply qualifiers from the element type to the array. 17023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon = getQualifiedType(QualType(canonTy,0), 17033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonElementType.second); 17043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we didn't need extra canonicalization for the element type, 17063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // then just use that as our result. 17073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (QualType(canonElementType.first, 0) == elementType) 17083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return canon; 17093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we need to build a type which follows the spelling 17113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of the element type. 17123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *sugaredType 17133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 17143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, canon, numElements, 17153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, brackets); 17163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(sugaredType); 17173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(sugaredType, 0); 17183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 17193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getIncompleteArrayType(QualType elementType, 1721c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 17223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals) const { 1723c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 17243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType::Profile(ID, elementType, ASM, elementTypeQuals); 1725c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 17263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 17273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (IncompleteArrayType *iat = 17283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos)) 17293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(iat, 0); 1730c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1731c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 17323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // either, so fill in the canonical type field. We also have to pull 17333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // qualifiers off the element type. 17343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 1735c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 17363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!elementType.isCanonical() || elementType.hasLocalQualifiers()) { 17373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(elementType).split(); 17383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getIncompleteArrayType(QualType(canonSplit.first, 0), 17393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals); 17403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getQualifiedType(canon, canonSplit.second); 1741c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1742c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 17433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *existing = 17443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos); 17453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!existing && "Shouldn't be in the map!"); (void) existing; 17462bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1747c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 17483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *newType = new (*this, TypeAlignment) 17493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType(elementType, canon, ASM, elementTypeQuals); 1750c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 17513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.InsertNode(newType, insertPos); 17523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 17533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1754fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1755fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 175673322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 175773322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 175882287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 17594ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad VectorType::VectorKind VecKind) const { 17603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(vecType->isBuiltinType()); 17611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 17635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1764e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::Profile(ID, vecType, NumElts, Type::Vector, VecKind); 1765788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 17665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 17675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 17685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 17695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 17715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 17725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1773255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (!vecType.isCanonical()) { 1774231da7eb3dd13007e5e40fffe48998e5ef284e06Bob Wilson Canonical = getVectorType(getCanonicalType(vecType), NumElts, VecKind); 17751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 17775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1778c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 17795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17806b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 1781e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(vecType, NumElts, Canonical, VecKind); 17825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 17835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 17845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 17855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1787213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 178873322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 17894ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 17904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getExtVectorType(QualType vecType, unsigned NumElts) const { 17913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(vecType->isBuiltinType()); 17921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 179373322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 179473322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 1795788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, 1796e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 179773322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 179873322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 179973322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 180073322924127c873c13101b705dd823f5539ffa5fSteve Naroff 180173322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 180273322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 180373322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1804467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1805213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 18061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 180773322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 180873322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1809c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 181073322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 18116b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 18126b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 181373322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 181473322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 181573322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 181673322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 181773322924127c873c13101b705dd823f5539ffa5fSteve Naroff 18184ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 18194ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentSizedExtVectorType(QualType vecType, 18204ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Expr *SizeExpr, 18214ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation AttrLoc) const { 18222ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 18231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 18242ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 18251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18262ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 18272ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 18282ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 18292ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 18302ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 18312ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 18322ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 18336b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 18346b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 18356b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 18362ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 18372ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 18382ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 18396b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 18406b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 18416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 1842789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1843789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 1844789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1845789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 1846789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 18472ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 18482ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 18492ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 18502ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 18516b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 18526b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 18532ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 18542ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 18551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18569cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 18579cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 18589cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 18599cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 186072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 18615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 18624ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 18634ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionNoProtoType(QualType ResultTy, 18644ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionType::ExtInfo &Info) const { 1865264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv = Info.getCC(); 18665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 18675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 18685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1869264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 18701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 18721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 187372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 18745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 18751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1877ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 187804a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 1879264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 1880264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 1881264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 18821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 188472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 188572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1886c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 18875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18896b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 1890264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType(ResultTy, Canonical, Info); 18915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 189272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 18935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 18945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 18975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 18984ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 18994ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionType(QualType ResultTy, 19004ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const QualType *ArgArray, unsigned NumArgs, 19014ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionProtoType::ExtProtoInfo &EPI) const { 19025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 19035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 19045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1905e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, EPI); 19065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 19081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 190972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 19105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 1911465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1912465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 1913e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall bool isCanonical = !EPI.HasExceptionSpec && ResultTy.isCanonical(); 19145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 191554e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 19165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 19175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1918e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall const CallingConv CallConv = EPI.ExtInfo.getCC(); 1919e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 19205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 1921465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 19225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 192304a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 19245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> CanonicalArgs; 19255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 19265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 192754e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 1928465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1929e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo CanonicalEPI = EPI; 1930e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall if (CanonicalEPI.HasExceptionSpec) { 1931e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.HasExceptionSpec = false; 1932e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.HasAnyExceptionSpec = false; 1933e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.NumExceptions = 0; 1934e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall } 1935e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.ExtInfo 1936e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall = CanonicalEPI.ExtInfo.withCallingConv(getCanonicalCallConv(CallConv)); 1937e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 1938f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 1939beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 1940e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI); 1941465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 19425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 194372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 194472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1945c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 19465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1947465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 194872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // FunctionProtoType objects are allocated with extra bytes after them 1949465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // for two variable size arrays (for parameter and exception types) at the 1950465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // end of them. 1951e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall size_t Size = sizeof(FunctionProtoType) + 1952e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall NumArgs * sizeof(QualType) + 1953e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.NumExceptions * sizeof(QualType); 1954e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType *FTP = (FunctionProtoType*) Allocate(Size, TypeAlignment); 1955e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, Canonical, EPI); 19565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 195772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 19585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 19595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 19605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19613cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 19623cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 19633cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 19643cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 19653cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 19663cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 19673cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 19683cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 19693cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 19703cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 19713cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 19723cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 19733cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 19743cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 19753cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 19763cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 19774ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType TST) const { 19783cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 19793cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 19803cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 198137ffed3b7f229844cae2463ff82b527506c86c74Argyrios Kyrtzidis } else if (CXXRecordDecl *PrevDecl = Decl->getPreviousDeclaration()) { 19823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 19833cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 19843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 19853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 1986f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = 198731f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 1988f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 1989f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 19903cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 19913cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 19923cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 19933cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 19942ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 19952ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 19964ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) const { 19971e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 1998becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 19991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 200019c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(Decl)) 20012ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 2002becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 2003becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 2004becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 2005becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 200619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 2007becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 2008becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 2009becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 2010400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getRecordType(Record); 201119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 2012becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 2013becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 2014400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getEnumType(Enum); 201519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 2016ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 2017f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = new (*this, TypeAlignment) UnresolvedUsingType(Using); 2018f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2019f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 20209fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 2021becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 202249aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 202349aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 20242ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 20252ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 20265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 20275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified typename decl. 20289763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 20294ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getTypedefType(const TypedefDecl *Decl, QualType Canonical) const { 20305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 20311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20329763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (Canonical.isNull()) 20339763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canonical = getCanonicalType(Decl->getUnderlyingType()); 2034f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall TypedefType *newType = new(*this, TypeAlignment) 20356b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 2036f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2037f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2038f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 20395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 20405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20414ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRecordType(const RecordDecl *Decl) const { 2042400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2043400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2044400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const RecordDecl *PrevDecl = Decl->getPreviousDeclaration()) 2045400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2046400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2047400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2048f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall RecordType *newType = new (*this, TypeAlignment) RecordType(Decl); 2049f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2050f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2051f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2052400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2053400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 20544ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getEnumType(const EnumDecl *Decl) const { 2055400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2056400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2057400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const EnumDecl *PrevDecl = Decl->getPreviousDeclaration()) 2058400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2059400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2060400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2061f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall EnumType *newType = new (*this, TypeAlignment) EnumType(Decl); 2062f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2063f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2064f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2065400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2066400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 20679d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallQualType ASTContext::getAttributedType(AttributedType::Kind attrKind, 20689d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modifiedType, 20699d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType equivalentType) { 20709d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall llvm::FoldingSetNodeID id; 20719d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType::Profile(id, attrKind, modifiedType, equivalentType); 20729d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 20739d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall void *insertPos = 0; 20749d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType *type = AttributedTypes.FindNodeOrInsertPos(id, insertPos); 20759d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall if (type) return QualType(type, 0); 20769d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 20779d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType canon = getCanonicalType(equivalentType); 20789d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall type = new (*this, TypeAlignment) 20799d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType(canon, attrKind, modifiedType, equivalentType); 20809d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 20819d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Types.push_back(type); 20829d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypes.InsertNode(type, insertPos); 20839d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 20849d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return QualType(type, 0); 20859d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall} 20869d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 20879d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 208849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 208949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 209049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 20914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Replacement) const { 2092467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 209349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 209449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 209549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 209649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 209749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 209849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 209949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 210049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 210149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 210249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 210349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 210449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 210549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 210649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 210749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 210849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 210949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 211049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 2111c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// \brief Retrieve a 2112c3069d618f4661d923cb1b5c4525b082fce73b04Douglas GregorQualType ASTContext::getSubstTemplateTypeParmPackType( 2113c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Parm, 2114c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack) { 2115c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#ifndef NDEBUG 2116c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor for (TemplateArgument::pack_iterator P = ArgPack.pack_begin(), 2117c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor PEnd = ArgPack.pack_end(); 2118c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor P != PEnd; ++P) { 2119c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getKind() == TemplateArgument::Type &&"Pack contains a non-type"); 2120c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getAsType().isCanonical() && "Pack contains non-canonical type"); 2121c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2122c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#endif 2123c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2124c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor llvm::FoldingSetNodeID ID; 2125c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType::Profile(ID, Parm, ArgPack); 2126c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor void *InsertPos = 0; 2127c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (SubstTemplateTypeParmPackType *SubstParm 2128c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos)) 2129c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2130c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2131c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType Canon; 2132c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (!Parm->isCanonicalUnqualified()) { 2133c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getCanonicalType(QualType(Parm, 0)); 2134c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getSubstTemplateTypeParmPackType(cast<TemplateTypeParmType>(Canon), 2135c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2136c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos); 2137c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2138c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2139c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType *SubstParm 2140c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = new (*this, TypeAlignment) SubstTemplateTypeParmPackType(Parm, Canon, 2141c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2142c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Types.push_back(SubstParm); 2143c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 2144c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2145c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor} 2146c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2147fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 21481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 214976e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 21501eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 215176e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 21524ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad IdentifierInfo *Name) const { 2153fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 2154efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, Name); 2155fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 21561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 2157fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2158fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2159fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 2160fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 21611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2162efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor if (Name) { 216376e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 2164efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TypeParm = new (*this, TypeAlignment) 2165efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType(Depth, Index, ParameterPack, Name, Canon); 2166789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2167789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 2168789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2169789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 2170789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 217176e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 21726b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 21736b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 2174fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2175fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 2176fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 2177fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2178fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 2179fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 2180fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 21813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 21823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 21833cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 21843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 21854ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType CanonType) const { 21867c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Name.getAsDependentTemplateName() && 21877c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 21883cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST = getTemplateSpecializationType(Name, Args, CanonType); 21893cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 21903cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 21913cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 21923cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 21933cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 21943cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 21953cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 21963cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 21973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 21983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 21993cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 22003cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 22011eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 22027532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 2203d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 22044ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Canon) const { 22057c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 22067c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 22077c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 2208d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 2209d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 2210833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall llvm::SmallVector<TemplateArgument, 4> ArgVec; 2211833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 2212833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 2213833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 2214833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 221531f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 221671d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Canon); 2217833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 2218833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2219833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 2220833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 22217532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 22227532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 22234ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Canon) const { 22247c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 22257c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 22267c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 2227b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (!Canon.isNull()) 2228b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = getCanonicalType(Canon); 22299763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis else 22309763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canon = getCanonicalTemplateSpecializationType(Template, Args, NumArgs); 2231fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 22321275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 22331275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 22341275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 22351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 223640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor sizeof(TemplateArgument) * NumArgs), 22376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 22381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 2239ef99001908e799c388f1363b1e607dad5f5b57d3John McCall = new (Mem) TemplateSpecializationType(Template, 224031f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 2241828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor Canon); 22421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 224355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 22441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 224555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 224655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 22471eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 22489763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getCanonicalTemplateSpecializationType(TemplateName Template, 22499763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis const TemplateArgument *Args, 22504ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumArgs) const { 22517c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 22527c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 22537c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 22549763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Build the canonical template specialization type. 22559763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateName CanonTemplate = getCanonicalTemplateName(Template); 22569763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::SmallVector<TemplateArgument, 4> CanonArgs; 22579763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.reserve(NumArgs); 22589763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis for (unsigned I = 0; I != NumArgs; ++I) 22599763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 22609763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 22619763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Determine whether this canonical template specialization type already 22629763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // exists. 22639763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::FoldingSetNodeID ID; 22649763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType::Profile(ID, CanonTemplate, 22659763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, *this); 22669763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 22679763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *InsertPos = 0; 22689763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType *Spec 22699763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 22709763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 22719763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (!Spec) { 22729763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Allocate a new canonical template specialization type. 22739763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *Mem = Allocate((sizeof(TemplateSpecializationType) + 22749763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis sizeof(TemplateArgument) * NumArgs), 22759763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TypeAlignment); 22769763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Spec = new (Mem) TemplateSpecializationType(CanonTemplate, 22779763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, 22789763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis QualType()); 22799763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Types.push_back(Spec); 22809763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 22819763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis } 22829763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 22839763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis assert(Spec->isDependentType() && 22849763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis "Non-dependent template-id type must have a canonical type"); 22859763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis return QualType(Spec, 0); 22869763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis} 22879763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 22889763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2289465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 2290465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 22914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType NamedType) const { 2292e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 2293465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 2294e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2295e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 2296465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2297e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 2298e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2299e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2300789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 2301789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 2302789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 2303465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2304465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 2305789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 2306789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 2307789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2308465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 2309e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 2310465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 2311e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2312e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 2313e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2314075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo BagnaraQualType 23154ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getParenType(QualType InnerType) const { 2316075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara llvm::FoldingSetNodeID ID; 2317075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType::Profile(ID, InnerType); 2318075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2319075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void *InsertPos = 0; 2320075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *T = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2321075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (T) 2322075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2323075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2324075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Canon = InnerType; 2325075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (!Canon.isCanonical()) { 2326075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Canon = getCanonicalType(InnerType); 2327075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *CheckT = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2328075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara assert(!CheckT && "Paren canonical type broken"); 2329075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara (void)CheckT; 2330075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 2331075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2332075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara T = new (*this) ParenType(InnerType, Canon); 2333075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Types.push_back(T); 2334075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenTypes.InsertNode(T, InsertPos); 2335075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2336075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara} 2337075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 23384a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 23394a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 23404a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 23414ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Canon) const { 2342d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 2343d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2344d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 2345d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 23464a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 23474a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 23484a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 23494a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 23504a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 23514a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 2352d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2353d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2354d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 23554a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 2356d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2357d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 23584714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 23594714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 2360d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 2361d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 2362d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 23634a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 2364d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 23654714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 23661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 2367d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2368d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 23691eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 237033500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 237133500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 23724a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 237333500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 23744ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgumentListInfo &Args) const { 237533500955d731c73717af52088b7fc0e7a85681e7John McCall // TODO: avoid this copy 237633500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> ArgCopy; 237733500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0, E = Args.size(); I != E; ++I) 237833500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.push_back(Args[I].getArgument()); 237933500955d731c73717af52088b7fc0e7a85681e7John McCall return getDependentTemplateSpecializationType(Keyword, NNS, Name, 238033500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.size(), 238133500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.data()); 238233500955d731c73717af52088b7fc0e7a85681e7John McCall} 238333500955d731c73717af52088b7fc0e7a85681e7John McCall 238433500955d731c73717af52088b7fc0e7a85681e7John McCallQualType 238533500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 238633500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 238733500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 238833500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 238933500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 23904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgument *Args) const { 2391aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor assert((!NNS || NNS->isDependent()) && 2392aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor "nested-name-specifier must be dependent"); 23931734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2394789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 239533500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType::Profile(ID, *this, Keyword, NNS, 239633500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args); 2397789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2398789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 239933500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType *T 240033500955d731c73717af52088b7fc0e7a85681e7John McCall = DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 2401789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 2402789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 2403789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 240433500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 240533500955d731c73717af52088b7fc0e7a85681e7John McCall 240633500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword CanonKeyword = Keyword; 240733500955d731c73717af52088b7fc0e7a85681e7John McCall if (Keyword == ETK_None) CanonKeyword = ETK_Typename; 24081734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 240933500955d731c73717af52088b7fc0e7a85681e7John McCall bool AnyNonCanonArgs = false; 241033500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> CanonArgs(NumArgs); 241133500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0; I != NumArgs; ++I) { 241233500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs[I] = getCanonicalTemplateArgument(Args[I]); 241333500955d731c73717af52088b7fc0e7a85681e7John McCall if (!CanonArgs[I].structurallyEquals(Args[I])) 241433500955d731c73717af52088b7fc0e7a85681e7John McCall AnyNonCanonArgs = true; 2415789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 24161734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 241733500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon; 241833500955d731c73717af52088b7fc0e7a85681e7John McCall if (AnyNonCanonArgs || CanonNNS != NNS || CanonKeyword != Keyword) { 241933500955d731c73717af52088b7fc0e7a85681e7John McCall Canon = getDependentTemplateSpecializationType(CanonKeyword, CanonNNS, 242033500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, 242133500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs.data()); 242233500955d731c73717af52088b7fc0e7a85681e7John McCall 242333500955d731c73717af52088b7fc0e7a85681e7John McCall // Find the insert position again. 242433500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 242533500955d731c73717af52088b7fc0e7a85681e7John McCall } 242633500955d731c73717af52088b7fc0e7a85681e7John McCall 242733500955d731c73717af52088b7fc0e7a85681e7John McCall void *Mem = Allocate((sizeof(DependentTemplateSpecializationType) + 242833500955d731c73717af52088b7fc0e7a85681e7John McCall sizeof(TemplateArgument) * NumArgs), 242933500955d731c73717af52088b7fc0e7a85681e7John McCall TypeAlignment); 2430ef99001908e799c388f1363b1e607dad5f5b57d3John McCall T = new (Mem) DependentTemplateSpecializationType(Keyword, NNS, 243133500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args, Canon); 24321734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 243333500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.InsertNode(T, InsertPos); 24341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 24351734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 24361734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2437cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas GregorQualType ASTContext::getPackExpansionType(QualType Pattern, 2438cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) { 24397536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor llvm::FoldingSetNodeID ID; 2440cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor PackExpansionType::Profile(ID, Pattern, NumExpansions); 24417536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 24427536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor assert(Pattern->containsUnexpandedParameterPack() && 24437536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor "Pack expansions must expand one or more parameter packs"); 24447536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void *InsertPos = 0; 24457536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionType *T 24467536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor = PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 24477536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (T) 24487536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 24497536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 24507536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Canon; 24517536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (!Pattern.isCanonical()) { 2452cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Canon = getPackExpansionType(getCanonicalType(Pattern), NumExpansions); 24537536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 24547536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor // Find the insert position again. 24557536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 24567536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 24577536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 2458cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor T = new (*this) PackExpansionType(Pattern, Canon, NumExpansions); 24597536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor Types.push_back(T); 24607536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.InsertNode(T, InsertPos); 24617536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 24627536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor} 24637536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 246488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 246588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 246688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 246788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 24682e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 246988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 247088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2471c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 247254e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 247354e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 247454e14c4db764c0636160d26c5bbf491637c83a76John McCall 247554e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 247654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 247754e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 247854e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 247954e14c4db764c0636160d26c5bbf491637c83a76John McCall} 248054e14c4db764c0636160d26c5bbf491637c83a76John McCall 248154e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 248288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 248388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 24841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 248588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 248688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 248788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 248888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 248988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 249088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 249188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 249288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2493c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2494c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 24954ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumProtocols) const { 2496c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2497c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2498c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2499c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2500d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2501c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2502c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2503c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2504d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2505c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2506c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2507d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2508c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2509c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 251054e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2511c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2512c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2513c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 25140237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 25150237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 251654e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 251754e14c4db764c0636160d26c5bbf491637c83a76John McCall 251854e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2519c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2520c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 252154e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2522c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2523c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 252454e14c4db764c0636160d26c5bbf491637c83a76John McCall } 252554e14c4db764c0636160d26c5bbf491637c83a76John McCall 252654e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2527c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 252854e14c4db764c0636160d26c5bbf491637c83a76John McCall } 252954e14c4db764c0636160d26c5bbf491637c83a76John McCall 2530c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2531c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2532fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2533c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2534c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 25351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2536c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2537c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2538c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2539d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 254088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2541c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2542c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 25434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) const { 25444b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2545c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 25461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25474b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2548c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2549c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 25504b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 25511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2552c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 255354e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2554c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2555c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 255654e14c4db764c0636160d26c5bbf491637c83a76John McCall 2557c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2558c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 255954e14c4db764c0636160d26c5bbf491637c83a76John McCall } 256054e14c4db764c0636160d26c5bbf491637c83a76John McCall 2561c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2562c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2563c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2564c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 256524fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 256624fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2567c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 256824fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 256924fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 257024fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2571deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// getObjCInterfaceType - Return the unique reference to the type for the 2572deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// specified ObjC interface decl. The list of protocols is optional. 25734ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) const { 2574deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor if (Decl->TypeForDecl) 2575deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(Decl->TypeForDecl, 0); 257674c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl 2577deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor // FIXME: redeclarations? 2578deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2579deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2580deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Decl->TypeForDecl = T; 2581deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Types.push_back(T); 2582deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(T, 0); 2583c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2584c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 258572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 258672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 25879752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 25881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 25899752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 25904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfExprType(Expr *tofExpr) const { 2591dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2592b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2593b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2594b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 25951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2596b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2597b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2598b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2599b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2600b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2601b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 26026b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2603b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 2604b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2605b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor else { 2606b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 26076b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 26086b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2609b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2610b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2611b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2612b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2613dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 26146b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2615dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 26169752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 26179752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2618d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2619d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 26209752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 26219752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 26229752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 26231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 26249752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 26254ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfType(QualType tofType) const { 2626f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 26276b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 26289752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 26299752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2630d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2631d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 263260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 263360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 26344ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType getDecltypeForExpr(const Expr *e, const ASTContext &Context) { 2635a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2636a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 26371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 263860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 263960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 264060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 264160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 264260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 264360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 264460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 264560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 264660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 264760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 264860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 264960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 265060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 265160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 265260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 26531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 265460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 26551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 265760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 26587eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall if (e->isLValue()) 265960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 26601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 266160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 266260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 266360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2664395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2665395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2666395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 26671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2668395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 26694ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getDecltypeType(Expr *e) const { 2670dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 26719d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (e->isTypeDependent()) { 26729d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 26739d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 26741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26759d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 26769d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 26779d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 26789d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 26799d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 26809d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 26816b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 26829d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 26839d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 26849d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor else { 26859d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 26866b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 26879d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 26889d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 26899d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 26909d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2691dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 26926b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2693dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2694395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2695395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2696395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2697395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 2698483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith/// getAutoType - We only unique auto types after they've been deduced. 269934b41d939a1328f484511c6002ba2456db879a29Richard SmithQualType ASTContext::getAutoType(QualType DeducedType) const { 2700483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith void *InsertPos = 0; 2701483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (!DeducedType.isNull()) { 2702483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith // Look in the folding set for an existing type. 2703483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith llvm::FoldingSetNodeID ID; 2704483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType::Profile(ID, DeducedType); 2705483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (AutoType *AT = AutoTypes.FindNodeOrInsertPos(ID, InsertPos)) 2706483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 2707483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith } 2708483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith 2709483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType *AT = new (*this, TypeAlignment) AutoType(DeducedType); 2710483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith Types.push_back(AT); 2711483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (InsertPos) 2712483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoTypes.InsertNode(AT, InsertPos); 2713483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 271434b41d939a1328f484511c6002ba2456db879a29Richard Smith} 271534b41d939a1328f484511c6002ba2456db879a29Richard Smith 27165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 27175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 27184ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTagDeclType(const TagDecl *Decl) const { 2719d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2720e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2721e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2722e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 27235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 27245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 27251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 27261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 27271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 2728a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 2729b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 27305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 27315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 273264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 273364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 273464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 273564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 273664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 273764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 273864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 273964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 274064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 274164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 274264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 274364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 274464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 274564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 27468b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 27478b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 27488b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 2749b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 27508b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 27518b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 2752e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2753e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 2754e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2755e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 27564ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCanQualType ASTContext::getCanonicalParamType(QualType T) const { 275754e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 275854e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 275954e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 2760745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = getVariableArrayDecayedType(T); 276154e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 276254e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 276354e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 276454e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 276554e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 276654e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 276754e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 276854e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 276954e14c4db764c0636160d26c5bbf491637c83a76John McCall } 277054e14c4db764c0636160d26c5bbf491637c83a76John McCall 277154e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 277254e14c4db764c0636160d26c5bbf491637c83a76John McCall} 277354e14c4db764c0636160d26c5bbf491637c83a76John McCall 2774c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 277562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallQualType ASTContext::getUnqualifiedArrayType(QualType type, 277662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers &quals) { 277762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall SplitQualType splitType = type.getSplitUnqualifiedType(); 277862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 277962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // FIXME: getSplitUnqualifiedType() actually walks all the way to 278062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // the unqualified desugared type and then drops it on the floor. 278162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // We then have to strip that sugar back off with 278262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // getUnqualifiedDesugaredType(), which is silly. 278362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall const ArrayType *AT = 278462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall dyn_cast<ArrayType>(splitType.first->getUnqualifiedDesugaredType()); 278562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 278662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If we don't have an array, just use the results in splitType. 27879dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 278862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals = splitType.second; 278962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(splitType.first, 0); 279028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 279128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 279262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, recurse on the array's element type. 279362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType elementType = AT->getElementType(); 279462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType unqualElementType = getUnqualifiedArrayType(elementType, quals); 279562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 279662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If that didn't change the element type, AT has no qualifiers, so we 279762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // can just use the results in splitType. 279862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (elementType == unqualElementType) { 279962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(quals.empty()); // from the recursive call 280062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals = splitType.second; 280162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(splitType.first, 0); 280262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 280362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 280462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, add in the qualifiers from the outermost type, then 280562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // build the type back up. 280662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals.addConsistentQualifiers(splitType.second); 280728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 28089dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 280962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getConstantArrayType(unqualElementType, CAT->getSize(), 281028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 281128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 281228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 28139dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 281462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getIncompleteArrayType(unqualElementType, IAT->getSizeModifier(), 0); 281528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 281628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 28179dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 281862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getVariableArrayType(unqualElementType, 28193fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 28209dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 28219dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 28229dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 28239dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 28249dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 28259dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 282662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getDependentSizedArrayType(unqualElementType, DSAT->getSizeExpr(), 282728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 282828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 282928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 283028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 28315a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// UnwrapSimilarPointerTypes - If T1 and T2 are pointer types that 28325a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// may be similar (C++ 4.4), replaces T1 and T2 with the type that 28335a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// they point to and return true. If T1 and T2 aren't pointer types 28345a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// or pointer-to-member types, or if they are not similar at this 28355a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// level, returns false and leaves T1 and T2 unchanged. Top-level 28365a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// qualifiers on T1 and T2 are ignored. This function will typically 28375a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// be called in a loop that successively "unwraps" pointer and 28385a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// pointer-to-member types to compare them at each level. 28395a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregorbool ASTContext::UnwrapSimilarPointerTypes(QualType &T1, QualType &T2) { 28405a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const PointerType *T1PtrType = T1->getAs<PointerType>(), 28415a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2PtrType = T2->getAs<PointerType>(); 28425a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1PtrType && T2PtrType) { 28435a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1PtrType->getPointeeType(); 28445a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2PtrType->getPointeeType(); 28455a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 28465a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 28475a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 28485a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const MemberPointerType *T1MPType = T1->getAs<MemberPointerType>(), 28495a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2MPType = T2->getAs<MemberPointerType>(); 28505a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1MPType && T2MPType && 28515a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor hasSameUnqualifiedType(QualType(T1MPType->getClass(), 0), 28525a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor QualType(T2MPType->getClass(), 0))) { 28535a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1MPType->getPointeeType(); 28545a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2MPType->getPointeeType(); 28555a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 28565a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 28575a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 28585a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (getLangOptions().ObjC1) { 28595a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const ObjCObjectPointerType *T1OPType = T1->getAs<ObjCObjectPointerType>(), 28605a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2OPType = T2->getAs<ObjCObjectPointerType>(); 28615a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1OPType && T2OPType) { 28625a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1OPType->getPointeeType(); 28635a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2OPType->getPointeeType(); 28645a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 28655a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 28665a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 28675a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 28685a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor // FIXME: Block pointers, too? 28695a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 28705a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return false; 28715a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor} 28725a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 28734ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadDeclarationNameInfo 28744ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getNameForTemplate(TemplateName Name, 28754ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation NameLoc) const { 287680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (TemplateDecl *TD = Name.getAsTemplateDecl()) 28772577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 28782577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(TD->getDeclName(), NameLoc); 28792577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 288080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DependentTemplateName *DTN = Name.getAsDependentTemplateName()) { 28812577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName DName; 288280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 28832577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getIdentifier(DTN->getIdentifier()); 28842577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc); 288580ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 28862577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getCXXOperatorName(DTN->getOperator()); 28872577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: FIXME: source locations? 28882577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc DNLoc; 28892577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.BeginOpNameLoc = SourceLocation().getRawEncoding(); 28902577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.EndOpNameLoc = SourceLocation().getRawEncoding(); 28912577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc, DNLoc); 289280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 289380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 289480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 28950bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 28960bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(Storage); 28972577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 28982577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo((*Storage->begin())->getDeclName(), NameLoc); 289980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 290080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 29014ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) const { 29023e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateDecl *Template = Name.getAsTemplateDecl()) { 29033e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTemplateParmDecl *TTP 29043e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = dyn_cast<TemplateTemplateParmDecl>(Template)) 29053e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Template = getCanonicalTemplateTemplateParmDecl(TTP); 29063e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 29073e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // The canonical template name is the canonical template declaration. 290897fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 29093e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 291025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 29111aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor if (SubstTemplateTemplateParmPackStorage *SubstPack 29121aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = Name.getAsSubstTemplateTemplateParmPack()) { 29131aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor TemplateTemplateParmDecl *CanonParam 29141aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = getCanonicalTemplateTemplateParmDecl(SubstPack->getParameterPack()); 29151aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor TemplateArgument CanonArgPack 29161aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = getCanonicalTemplateArgument(SubstPack->getArgumentPack()); 29171aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor return getSubstTemplateTemplateParmPack(CanonParam, CanonArgPack); 29181aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 29191aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 29200bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(!Name.getAsOverloadedTemplate()); 29211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 292225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 292325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor assert(DTN && "Non-dependent template names must refer to template decls."); 292425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor return DTN->CanonicalTemplateName; 292525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 292625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 2927db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 2928db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 2929db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 2930db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 2931db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 2932db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 29331eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 29344ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) const { 29351275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 29361275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 29371275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 29381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29391275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 29401275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 29411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29421275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 2943833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 29441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2945788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 2946788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 2947a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 2948a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor case TemplateArgument::TemplateExpansion: 2949a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor return TemplateArgument(getCanonicalTemplateName( 2950a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor Arg.getAsTemplateOrTemplatePattern()), 29512be29f423acad3bbe39099a78db2805acb5bdf17Douglas Gregor Arg.getNumTemplateExpansions()); 2952a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 29531275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 2954833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 29551275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 29561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29571275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 2958833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 29591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29601275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 296187dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor if (Arg.pack_size() == 0) 296287dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor return Arg; 296387dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor 2964910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgument *CanonArgs 2965910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor = new (*this) TemplateArgument[Arg.pack_size()]; 29661275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 29671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 29681275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 29691275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 29701275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 29711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2972910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor return TemplateArgument(CanonArgs, Arg.pack_size()); 29731275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 29741275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 29751275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 29761275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 29771275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 29781275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 29791275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 29801275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 2981d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 29824ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) const { 29831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 2984d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2985d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2986d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 2987d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 2988d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 29891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 2990d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 2991d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 2992d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2993d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 2994d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 2995d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 299614aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 299714aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespace()->getOriginalNamespace()); 299814aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor 299914aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor case NestedNameSpecifier::NamespaceAlias: 300014aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 300114aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // this namespace and no prefix. 300214aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 300314aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespaceAlias()->getNamespace() 300414aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor ->getOriginalNamespace()); 3005d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3006d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 3007d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 3008d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 3009264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 3010264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // If we have some kind of dependent-named type (e.g., "typename T::type"), 3011264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // break it apart into its prefix and identifier, then reconsititute those 3012264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // as the canonical nested-name-specifier. This is required to canonicalize 3013264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // a dependent nested-name-specifier involving typedefs of dependent-name 3014264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // types, e.g., 3015264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T::type T1; 3016264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T1::type T2; 3017264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentNameType *DNT = T->getAs<DependentNameType>()) { 3018264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 3019264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DNT->getQualifier()); 3020264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor return NestedNameSpecifier::Create(*this, Prefix, 3021264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor const_cast<IdentifierInfo *>(DNT->getIdentifier())); 3022264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 3023264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 3024643f84353b3b7bbf9b73bcbc7da0ef8a39a5ca99Douglas Gregor // Do the same thing as above, but with dependent-named specializations. 3025264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentTemplateSpecializationType *DTST 3026264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = T->getAs<DependentTemplateSpecializationType>()) { 3027264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 3028264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DTST->getQualifier()); 3029aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor 3030aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor T = getDependentTemplateSpecializationType(DTST->getKeyword(), 3031aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor Prefix, DTST->getIdentifier(), 3032aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor DTST->getNumArgs(), 3033aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor DTST->getArgs()); 3034264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor T = getCanonicalType(T); 3035264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 3036264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 30373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return NestedNameSpecifier::Create(*this, 0, false, 30383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const_cast<Type*>(T.getTypePtr())); 3039d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3040d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3041d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 3042d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 3043d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 3044d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3045d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3046d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 3047d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 3048d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 3049d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3050c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 30514ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadconst ArrayType *ASTContext::getAsArrayType(QualType T) const { 3052c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 3053a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 3054c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 3055c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 3056c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 3057c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 30581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 30603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isa<ArrayType>(T.getCanonicalType())) 3061c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 30621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 3064c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 3065c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 30661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3067c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 3068c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 306950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 30700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 30713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = T.getSplitDesugaredType(); 30723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs = split.second; 30731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3074c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 30753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *ATy = dyn_cast<ArrayType>(split.first); 30763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ATy == 0 || qs.empty()) 3077c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 30781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3079c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 3080c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 30813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), qs); 30821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3083c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 3084c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 3085c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 30860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 3087c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 3088c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 3089c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 30900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 3091898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 30921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 3093898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 3094898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 30951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 30963fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall DSAT->getSizeExpr(), 3097898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 30980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 30997e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 31001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3101c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 31027e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 31033fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 3104c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 31050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 31067e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 310777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 310877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 3109e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 3110e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 3111e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 3112e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 3113e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 3114e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 31154ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getArrayDecayedType(QualType Ty) const { 3116c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 3117c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 3118c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 3119c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 3120c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 3121c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 31221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3123c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 3124e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 3125e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 31260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 3127e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 3128e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 31293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(const ArrayType *array) const { 31303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getBaseElementType(array->getElementType()); 31315e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 31325e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 31333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(QualType type) const { 31343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs; 31353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall while (true) { 31363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = type.getSplitDesugaredType(); 31373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *array = split.first->getAsArrayTypeUnsafe(); 31383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!array) break; 31391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall type = array->getElementType(); 31413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall qs.addConsistentQualifiers(split.second); 31423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 31431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiedType(type, qs); 31456183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 31466183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 31470de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 31481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 31490de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 31500de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 31510de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 31520de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 31530de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 31540de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 31550de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 31560de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 31570de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 31585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 31595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 3160a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 3161183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 31625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 3163a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 3164183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 3165183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 3166a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 31675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 31685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 31695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 31705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 31715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 31725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 31731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 31741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 3175716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 3176716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 31771361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 31781361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 31791361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 31801361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 31811361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 3182716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 3183f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 3184f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 3185f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 3186f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 3187f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 31881361b11066239ea15764a2a844405352d87296b3Chris Lattner 31891361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 31901361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 31911361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 31921361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 31931361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 31941361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 31955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 31965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 31975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 31987cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 31997cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 32007cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 32011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 32024ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) const { 3203a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 3204a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 32051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3206a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 3207fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 3208a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 3209fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 3210fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 32115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 32125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3213f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 3214f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 3215f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 3216f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCallunsigned ASTContext::getIntegerRank(const Type *T) const { 3217467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 3218f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const EnumType* ET = dyn_cast<EnumType>(T)) 3219842aef8d942a880eeb9535d40de31a86838264cbJohn McCall T = ET->getDecl()->getPromotionType().getTypePtr(); 3220f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 32213f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (T->isSpecificBuiltinType(BuiltinType::WChar_S) || 32223f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner T->isSpecificBuiltinType(BuiltinType::WChar_U)) 3223a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 3224a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 3225f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 3226f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 3227f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3228f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 3229f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 3230f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3231f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 32327cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 32337cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 3234f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 32357cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 32367cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 32377cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 32387cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 3239f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 32407cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 32417cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 3242f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 32437cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 32447cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 3245f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 32467cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 32477cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 3248f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 32497cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 32507cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 3251f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 32522df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 32532df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 32542df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 3255f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 3256f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 3257f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 325804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 325904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 326004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 326104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 326204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 32634ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::isPromotableBitField(Expr *E) const { 3264ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor if (E->isTypeDependent() || E->isValueDependent()) 3265ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor return QualType(); 3266ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor 326704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 326804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 326904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 327004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 327104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 327204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 327304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 327404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 327504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 327604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 327704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 327804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 327904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 328004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 328104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 328204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 328304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 328404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 328504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 328604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 328704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 328804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 328904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 329004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 329104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 3292a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 3293a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 3294a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 32954ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPromotedIntegerType(QualType Promotable) const { 3296a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 3297a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 3298842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 3299842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 3300a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 3301a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 3302a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 3303a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 3304a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 3305a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 3306a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 3307a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 33081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 33097cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 33101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 33114ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) const { 3312f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *LHSC = getCanonicalType(LHS).getTypePtr(); 3313f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *RHSC = getCanonicalType(RHS).getTypePtr(); 33147cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 33151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3316f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 3317f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 33181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33197cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 33207cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 33211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33227cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 33237cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 33247cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 33257cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 33261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33277cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 33287cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 33297cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 33307cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 33317cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 33321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33337cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 33347cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 33351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 33367cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 33377cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 33387cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 33397cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 33407cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 33417cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 33421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33437cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 33447cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 33451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 33467cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 33475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 334871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 334979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 33504ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCreateRecordDecl(const ASTContext &Ctx, RecordDecl::TagKind TK, DeclContext *DC, 335179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson SourceLocation L, IdentifierInfo *Id) { 335279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 335379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return CXXRecordDecl::Create(Ctx, TK, DC, L, Id); 335479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 335579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return RecordDecl::Create(Ctx, TK, DC, L, Id); 335679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 335779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 33581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 33594ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getCFConstantStringType() const { 336071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 33611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 3362465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 336379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 33645cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 336579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 3366f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 33671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 336871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 33690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 3370f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 3371f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 337271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 33730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 337471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 33751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 33761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 337744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 337844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 33791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 338044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 3381a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 33821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 33834afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 33842888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 338517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 338644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 338744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 3388838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 338971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 33901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 339171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 33928467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 3393b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3394319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 33956217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3396319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 3397319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 3398319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3399319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 34002bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian// getNSConstantStringType - Return the type used for constant NSStrings. 34014ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getNSConstantStringType() const { 34022bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian if (!NSConstantStringTypeDecl) { 34032bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = 3404465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 34052bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian &Idents.get("__builtin_NSString")); 34062bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->startDefinition(); 34072bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 34082bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType FieldTypes[3]; 34092bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 34102bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const int *isa; 34112bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[0] = getPointerType(IntTy.withConst()); 34122bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const char *str; 34132bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[1] = getPointerType(CharTy.withConst()); 34142bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // unsigned int length; 34152bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[2] = UnsignedIntTy; 34162bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 34172bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // Create fields 34182bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian for (unsigned i = 0; i < 3; ++i) { 34192bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldDecl *Field = FieldDecl::Create(*this, NSConstantStringTypeDecl, 34202bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian SourceLocation(), 0, 34212bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[i], /*TInfo=*/0, 34222bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*BitWidth=*/0, 34232bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*Mutable=*/false); 34242888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 34252bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->addDecl(Field); 34262bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 34272bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 34282bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->completeDefinition(); 34292bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 34302bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 34312bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return getTagDeclType(NSConstantStringTypeDecl); 34322bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 34332bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 34342bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanianvoid ASTContext::setNSConstantStringType(QualType T) { 34352bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian const RecordType *Rec = T->getAs<RecordType>(); 34362bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian assert(Rec && "Invalid NSConstantStringType"); 34372bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = Rec->getDecl(); 34382bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 34392bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 34404ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCFastEnumerationStateType() const { 3441bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 344244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 3443465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 344479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__objcFastEnumerationState")); 34455cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall ObjCFastEnumerationStateTypeDecl->startDefinition(); 34461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3447bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 3448bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 3449de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff getPointerType(ObjCIdTypedefType), 3450bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 3451bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 3452bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 3453bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 34541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 345544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 34561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, 34571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCFastEnumerationStateTypeDecl, 34581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 3459a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 34601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 34614afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 34622888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 346317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ObjCFastEnumerationStateTypeDecl->addDecl(Field); 346444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 34651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3466838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(); 3467bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 34681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3469bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 3470bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 3471bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 34724ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorType() const { 3473adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 3474adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3475adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3476adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3477adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 3478465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 347979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 34805cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3481adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3482adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3483adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3484adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3485adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3486adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3487adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3488adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 3489083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 3490adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3491adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3492adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 3493adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump FieldDecl *Field = FieldDecl::Create(*this, 3494adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T, 3495adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 3496adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3497a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3498adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 3499adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*Mutable=*/false); 35002888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3501adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3502adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3503adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3504838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3505adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3506adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 3507adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3508adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3509adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3510adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3511adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stumpvoid ASTContext::setBlockDescriptorType(QualType T) { 3512adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3513adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3514adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = Rec->getDecl(); 3515adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3516adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 35174ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorExtendedType() const { 3518083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 3519083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3520083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3521083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 3522083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 3523465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 352479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 35255cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3526083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3527083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 3528083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3529083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3530083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 3531083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 3532083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3533083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3534083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 3535083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 3536083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 3537083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 3538083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 3539083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3540083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3541083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 3542083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump FieldDecl *Field = FieldDecl::Create(*this, 3543083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T, 3544083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 3545083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 3546a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3547083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 3548083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*Mutable=*/false); 35492888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3550083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 3551083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 3552083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3553838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3554083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3555083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 3556083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3557083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3558083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3559083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3560083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stumpvoid ASTContext::setBlockDescriptorExtendedType(QualType T) { 3561083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3562083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3563083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = Rec->getDecl(); 3564083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3565083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 35664ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::BlockRequiresCopying(QualType Ty) const { 3567af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isBlockPointerType()) 3568af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3569af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (isObjCNSObjectType(Ty)) 3570af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3571af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isObjCObjectPointerType()) 3572af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3573e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (getLangOptions().CPlusPlus) { 3574e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (const RecordType *RT = Ty->getAs<RecordType>()) { 3575e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl()); 3576e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian return RD->hasConstCopyConstructor(*this); 3577e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian 3578e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3579e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3580af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3581af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3582af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 35834ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 35844ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::BuildByRefType(llvm::StringRef DeclName, QualType Ty) const { 3585af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3586ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3587af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3588ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3589ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 3590a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__copy_helper; // as needed 3591a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__destroy_help // as needed 3592af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3593ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3594ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3595af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3596af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3597af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 3598f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3599f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3600f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3601af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3602465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 360379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 3604af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3605af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3606af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3607af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3608af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3609af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3610af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3611af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3612af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3613af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3614af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3615af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3616af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 36174087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef FieldNames[] = { 3618af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3619af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3620af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3621af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3622af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3623af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3624af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3625af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3626af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3627af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3628af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3629af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3630af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3631af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3632a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3633af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /*BitWidth=*/0, /*Mutable=*/false); 36342888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3635af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3636af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3637af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3638838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3639af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3640af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3641ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3642ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3643319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setObjCFastEnumerationStateType(QualType T) { 36446217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3645319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid ObjCFAstEnumerationStateType"); 3646319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCFastEnumerationStateTypeDecl = Rec->getDecl(); 3647319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3648319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 3649e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3650e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 36512d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3652e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3653bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3654bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 36551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 365685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 365785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 365885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3659a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 366033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 36614ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) const { 3662199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 36631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 366433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 36652ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor if (sz.isPositive() && type->isIntegralOrEnumerationType()) 3666199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 366733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 366833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3669199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3670aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3671199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3672199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3673199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3674199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3675199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 367633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 367733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 36786b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall/// getObjCEncodingForBlock - Return the encoded type for this block 36795e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 36806b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCallstd::string ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr) const { 36816b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall std::string S; 36826b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 36835e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 36845e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 36855e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 36865e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 3687c71a4915ca216847599d03cab4ed1c5086b0eb43John McCall getObjCEncodingForType(BlockTy->getAs<FunctionType>()->getResultType(), S); 36885e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 36895e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 36905e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 36915e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3692199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3693199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 36946f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 36955e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 36965e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3697aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3698199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 36995e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 37005e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 37015e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3702199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 37035e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 37045e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 37055e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 37065e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 37075e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 37085e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 37095e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 37105e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 37115e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 37125e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 37135e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 37145e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 37155e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 37165389f48b24937ad7b4093307128b3cbf25235654David Chisnall // elements. 37175389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (!isa<ConstantArrayType>(AT)) 37185389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 37195389f48b24937ad7b4093307128b3cbf25235654David Chisnall } else if (PType->isFunctionType()) 37205389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 37215389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(PType, S); 37225389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 37235389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += getObjCEncodingTypeSize(PType); 37245389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 37256b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 37266b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall return S; 37275389f48b24937ad7b4093307128b3cbf25235654David Chisnall} 37285389f48b24937ad7b4093307128b3cbf25235654David Chisnall 37295389f48b24937ad7b4093307128b3cbf25235654David Chisnallvoid ASTContext::getObjCEncodingForFunctionDecl(const FunctionDecl *Decl, 37305389f48b24937ad7b4093307128b3cbf25235654David Chisnall std::string& S) { 37315389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Encode result type. 37325389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(Decl->getResultType(), S); 37335389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits ParmOffset; 37345389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Compute size of all parameters. 37355389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 37365389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 37375389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = (*PI)->getType(); 37385389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits sz = getObjCEncodingTypeSize(PType); 37395389f48b24937ad7b4093307128b3cbf25235654David Chisnall assert (sz.isPositive() && 37405389f48b24937ad7b4093307128b3cbf25235654David Chisnall "getObjCEncodingForMethodDecl - Incomplete param type"); 37415389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += sz; 37425389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 37435389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 37445389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset = CharUnits::Zero(); 37455389f48b24937ad7b4093307128b3cbf25235654David Chisnall 37465389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Argument types. 37475389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 37485389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 37495389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmVarDecl *PVDecl = *PI; 37505389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = PVDecl->getOriginalType(); 37515389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (const ArrayType *AT = 37525389f48b24937ad7b4093307128b3cbf25235654David Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 37535389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Use array's original type only if it has known number of 37545e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 37555e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 37565e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 37575e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 37585e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 37595e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 3760199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3761aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 37625e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 37635e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 37645e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 3765a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 376633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 37671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 37684ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 3769c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3770ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 3771a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 377233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 37730d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 377433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 377533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 377633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 377733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 3778199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 377933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 378033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 3781199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 378289951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 37837732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 378489951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 3785aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3786199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 3787199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 378833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 378933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 3790199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 379133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 3792199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 37931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 379433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 379533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 379689951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 37977732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 379889951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 37991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 38004306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 3801ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 3802ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 3803ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 3804bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 3805ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3806ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 3807ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3808ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 380933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 38104306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 38110d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 3812199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3813aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 381433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 381533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 381633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 3817c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 381883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 3819c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 3820c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 38211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 38221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 38231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 38241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 38251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 382683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 382783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 382883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 382983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 383083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 383183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 383283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 383383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 383483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 383583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 383683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 383783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 383883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 383983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 384083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 384183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 38421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 3843c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 38444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 3845c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 3846c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 3847c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 3848c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3849c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 3850c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 38511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 3852c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 3853c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 385417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 3855653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3856c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3857c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3858c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3859c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3860c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3861c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3862c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3863c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3864c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3865c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 386661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 3867c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 386817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 3869653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3870c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3871c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3872c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3873c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3874c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3875c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3876c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3877c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 38781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3879c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3880c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3881c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3882c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3883c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 3884c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3885c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 3886090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 3887090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 38881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 3889090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 3890090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 3891c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3892c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 3893c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 3894c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3895c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 3896c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 3897c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 38981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 3899c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3900c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3901c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3902c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 3903c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 3904c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 3905c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 3906c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3907090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 3908090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 39091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3910c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 3911c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 3912077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 3913c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3914c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3915c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 3916c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 3917077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 3918c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3919c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3920c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 3921c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 3922c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 392339f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 3924c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3925c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3926c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 3927c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 3928c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3929a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 39301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 39311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 3932a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 3933a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 3934a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 39358e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 3936183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 39374ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::ULong && getIntWidth(PointeeTy) == 32) 3938a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 39391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 39404ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::Long && getIntWidth(PointeeTy) == 32) 3941a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 3942a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3943a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3944a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 3945a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 39467d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 39474ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FieldDecl *Field) const { 394882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 394982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 395082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 395182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 39521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 39535b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 395482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 395582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 395664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnallstatic char ObjCEncodingForPrimitiveKind(const ASTContext *C, QualType T) { 395764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall switch (T->getAs<BuiltinType>()->getKind()) { 395864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall default: assert(0 && "Unhandled builtin type kind"); 395964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Void: return 'v'; 396064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Bool: return 'B'; 396164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_U: 396264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UChar: return 'C'; 396364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UShort: return 'S'; 396464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt: return 'I'; 396564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULong: 39664ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'L' : 'Q'; 396764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt128: return 'T'; 396864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULongLong: return 'Q'; 396964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_S: 397064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::SChar: return 'c'; 397164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Short: return 's'; 39723f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 39733f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 397464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int: return 'i'; 397564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Long: 39764ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'l' : 'q'; 397764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongLong: return 'q'; 397864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int128: return 't'; 397964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Float: return 'f'; 398064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Double: return 'd'; 39813a0be84b2aed8563150cdbd976a98838afa261ebDaniel Dunbar case BuiltinType::LongDouble: return 'D'; 398264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 398364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall} 398464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall 39854ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic void EncodeBitField(const ASTContext *Ctx, std::string& S, 398664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall QualType T, const FieldDecl *FD) { 39878b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 39888b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 39898b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 399064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The NeXT runtime encodes bit fields as b followed by the number of bits. 399164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The GNU runtime requires more information; bitfields are encoded as b, 399264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // then the offset (in bits) of the first element, then the type of the 399364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // bitfield, then the size in bits. For example, in this structure: 399464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // 399564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // struct 399664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // { 399764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int integer; 399864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int flags:2; 399964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // }; 400064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // On a 32-bit system, the encoding for flags would be b2 for the NeXT 400164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // runtime, but b32i2 for the GNU runtime. The reason for this extra 400264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // information is not especially sensible, but we're stuck with it for 400364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // compatibility with GCC, although providing it breaks anything that 400464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // actually uses runtime introspection and wants to work on both runtimes... 400564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (!Ctx->getLangOptions().NeXTRuntime) { 400664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const RecordDecl *RD = FD->getParent(); 400764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const ASTRecordLayout &RL = Ctx->getASTRecordLayout(RD); 400864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // FIXME: This same linear search is also used in ExprConstant - it might 400964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // be better if the FieldDecl stored its offset. We'd be increasing the 401064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // size of the object slightly, but saving some time every time it is used. 401164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned i = 0; 401264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall for (RecordDecl::field_iterator Field = RD->field_begin(), 401364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall FieldEnd = RD->field_end(); 401464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall Field != FieldEnd; (void)++Field, ++i) { 401564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (*Field == FD) 401664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall break; 401764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 401864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += llvm::utostr(RL.getFieldOffset(i)); 4019c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall if (T->isEnumeralType()) 4020c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall S += 'i'; 4021c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall else 40224ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad S += ObjCEncodingForPrimitiveKind(Ctx, T); 402364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 402464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 40258b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 40268b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 40278b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 402801eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 402982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 403082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 403182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 4032153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 4033090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 40344ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool EncodingProperty) const { 403564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (T->getAs<BuiltinType>()) { 4036ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 403764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return EncodeBitField(this, S, T, FD); 403864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(this, T); 4039ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4040ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 40411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4042183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 4043c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 40441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 4045c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 4046ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4047ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 404860bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 4049aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 4050aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 40516217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 40528d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 40538d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 40548d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 40558d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 4056aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 4057aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 4058aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 4059aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 4060aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 4061a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 4062a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 4063a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 4064a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 40651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 40668e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 4067a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 4068a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4069a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4070a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 40719fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 4072a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 40736217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 40746217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 4075a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 4076a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4077a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4078a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4079a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4080a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 4081a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 4082a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 4083a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 40840237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer if (llvm::StringRef(S).endswith("nr")) 40850237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 4086a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 40871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 408885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 408985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 409085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 4091e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 409285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 409385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 409485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 40956217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 40969533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 40979533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 40989533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 40999533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 41009533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 41019533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 41029533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 41039533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 41049533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 41059533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 41069533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 410785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 410885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 4109a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 4110a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 41111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 411243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 4113ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4114ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4115aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 4116ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 4117ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 4118ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 4119559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (isa<IncompleteArrayType>(AT)) { 4120559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 4121559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 4122559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 41231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4124559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4125559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 4126559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 41271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4128559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 4129559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += llvm::utostr(CAT->getSize().getZExtValue()); 4130559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson else { 4131559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 4132559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson assert(isa<VariableArrayType>(AT) && "Unknown array type!"); 4133559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 4134559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 41351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4137559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4138559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 4139559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 4140ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4141ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 41421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4143183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 4144c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 4145ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4146ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 41471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41486217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 414982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 4150d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 4151502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 4152502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 4153502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 41546fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 41556fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 41566fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 41576fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 41586fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 4159910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.data(), 4160910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.size(), 41616fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian (*this).PrintingPolicy); 41626fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 41636fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 41646fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 4165502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 4166502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 4167502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 41680d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 41697d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 417017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 417117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 417244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor Field != FieldEnd; ++Field) { 417343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (FD) { 4174d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 417544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor S += Field->getNameAsString(); 4176d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 4177d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 41781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4179d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar // Special case bit-fields. 418043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (Field->isBitField()) { 41811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 418243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian (*Field)); 4183d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } else { 4184a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType qt = Field->getType(); 4185a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(qt); 41861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(qt, S, false, true, 418743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 4188d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 41897d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 41906de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 4191d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 4192ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4193ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4194e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4195ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 41968b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 419764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall EncodeBitField(this, S, T, FD); 41988b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 41998b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 4200ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4201ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4203ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 420421a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 4205ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4206ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4208c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 4209c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 4210c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 4211c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 42120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 421343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 42140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 421543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 421643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 421743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 421843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 42192c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian llvm::SmallVector<ObjCIvarDecl*, 32> Ivars; 42202c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(OI, true, Ivars); 42212c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (unsigned i = 0, e = Ivars.size(); i != e; ++i) { 42222c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian FieldDecl *Field = cast<FieldDecl>(Ivars[i]); 42232c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (Field->isBitField()) 42242c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, Field); 422543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 42262c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, FD); 422743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 422843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 4229ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 423043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 42311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4232183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 423314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 423414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 423514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4236ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 423827d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 423927d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 424027d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 424127d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 424214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 424314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4244ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4246ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 42471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 424814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 424914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 425014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 425114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 425214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 425314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 425467ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 425567ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 425614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 425714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 425814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 425914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 426014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 426114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 426214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4263ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4265ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 4266ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 4267ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 4268ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 42691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 4270ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 4271ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 42721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 42731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 4274ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 427514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 427614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4277ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 4278ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 427927d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 4280ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 428127d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 428267ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 428367ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 4284ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 4285ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 4286ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 42871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4288ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 4289ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4290ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4291ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4293532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 4294532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 4295532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 4296532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 4297e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4298e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian if (T->isVectorType()) { 4299e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // This matches gcc's encoding, even though technically it is 4300e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // insufficient. 4301e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // FIXME. We should do a better job than gcc. 4302e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian return; 4303e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian } 4304e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4305ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 430685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 430785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 43081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 4309ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 4310ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 4311ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 4312ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 4313ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 4314ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 4315ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 4316ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 4317ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 4318ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 4319ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 4320ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 4321ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 4322ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 4323ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 4324ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 4325b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 43261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4327b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 4328b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 4329b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 4330ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCIdType(QualType T) { 4331de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = T; 43327e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 43337e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 4334ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCSelType(QualType T) { 433513dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = T; 4336b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 4337b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 4338ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 4339a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 4340390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 4341390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 4342ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCClassType(QualType T) { 4343de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = T; 43448baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 43458baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 4346a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 43471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 43482198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 43491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4350a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 43512198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 43522198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 43530bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 43540bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 43554ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 43564ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 43574ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad UnresolvedSetIterator End) const { 43580bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 43590bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 43607532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 43610bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 43620bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 43630bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 43640bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 43650bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 4366eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 43670bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 43680bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 43690bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 43700bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 43710bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 43727532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 43737532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 43740bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 43757532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 43767532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4377d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 4378d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 43794ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 43804ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 43814ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool TemplateKeyword, 43824ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad TemplateDecl *Template) const { 4383789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 4384d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 4385d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 43861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4387d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 4388d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 43890bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4390d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 4391d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 4392d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 4393d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 43941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4395d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 4396d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 4397d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 43987532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 43997532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 44004ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 44014ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 44024ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const IdentifierInfo *Name) const { 44031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 44043b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 44057532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 44067532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 44077532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 44087532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 44097532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 44107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 44117532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 44127532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 44137532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 44147532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 44157532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 44167532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 44177532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 44187532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 44197532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 44207532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 44217532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 4422789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 4423789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4424789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 4425789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 44267532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 44277532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 44287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 44297532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 44307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 44317532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4432ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 4433ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 4434ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 4435ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 44364ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad OverloadedOperatorKind Operator) const { 4437ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 4438ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 4439ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4440ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 4441ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 4442ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4443ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 4444789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 4445789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4446ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4447ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 4448ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4449ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4450ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 4451ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 4452ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 4453ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 4454ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 4455ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 4456789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 4457789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 4458789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4459789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 4460789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 4461ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 4462ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4463ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 4464ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4465ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 4466ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 44671aee05d08b2184acadeb36de300e216390780d6cDouglas GregorTemplateName 44681aee05d08b2184acadeb36de300e216390780d6cDouglas GregorASTContext::getSubstTemplateTemplateParmPack(TemplateTemplateParmDecl *Param, 44691aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor const TemplateArgument &ArgPack) const { 44701aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ASTContext &Self = const_cast<ASTContext &>(*this); 44711aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor llvm::FoldingSetNodeID ID; 44721aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage::Profile(ID, Self, Param, ArgPack); 44731aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 44741aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor void *InsertPos = 0; 44751aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage *Subst 44761aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = SubstTemplateTemplateParmPacks.FindNodeOrInsertPos(ID, InsertPos); 44771aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 44781aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor if (!Subst) { 44791aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor Subst = new (*this) SubstTemplateTemplateParmPackStorage(Self, Param, 44801aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_size(), 44811aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_begin()); 44821aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPacks.InsertNode(Subst, InsertPos); 44831aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 44841aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 44851aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor return TemplateName(Subst); 44861aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor} 44871aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 4488b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 4489d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 4490d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 4491e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 4492b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 4493e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 4494b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 4495b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 4496b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 4497b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 4498b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 4499b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 4500b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 4501b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 4502b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 4503b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 4504b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 4505e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 4506b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 4507b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4508b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4509b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 4510b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4511b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4512fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// isObjCNSObjectType - Return true if this is an NSObject object using 4513fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// NSObject attribute on a c-style pointer type. 4514fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// FIXME - Make it work directly on types. 4515f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff/// FIXME: Move to Type. 4516fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// 4517fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanianbool ASTContext::isObjCNSObjectType(QualType Ty) const { 4518f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const TypedefType *TDT = dyn_cast<TypedefType>(Ty)) { 4519fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefDecl *TD = TDT->getDecl()) 452040b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (TD->getAttr<ObjCNSObjectAttr>()) 4521fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return true; 4522fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian } 45231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return false; 4524fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian} 4525fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 45264fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 45274fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 45284fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 4529ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(QualType Ty) const { 4530ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (getLangOptions().getGCMode() == LangOptions::NonGC) 4531ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::GCNone; 4532ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 4533ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(getLangOptions().ObjC1); 4534ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall Qualifiers::GC GCAttrs = Ty.getObjCGCAttr(); 4535ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 4536ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // Default behaviour under objective-C's gc is for ObjC pointers 4537ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // (or pointers to them) be treated as though they were declared 4538ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // as __strong. 4539ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (GCAttrs == Qualifiers::GCNone) { 4540ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 4541ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::Strong; 4542ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall else if (Ty->isPointerType()) 4543ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 4544ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall } else { 4545ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // It's not valid to set GC attributes on anything that isn't a 4546ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // pointer. 4547ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#ifndef NDEBUG 4548ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall QualType CT = Ty->getCanonicalTypeInternal(); 4549ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall while (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 4550ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall CT = AT->getElementType(); 4551ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(CT->isAnyPointerType() || CT->isBlockPointerType()); 4552ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#endif 45534fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 4554b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 45554fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 45564fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 45576ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 45586ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 45596ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 4560770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 45611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 45626ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 45636ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 45646ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 4565467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 45666ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 456761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 45686ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 45696ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4570255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregorbool ASTContext::areCompatibleVectorTypes(QualType FirstVec, 4571255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor QualType SecondVec) { 4572255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(FirstVec->isVectorType() && "FirstVec should be a vector type"); 4573255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(SecondVec->isVectorType() && "SecondVec should be a vector type"); 4574255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4575255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (hasSameUnqualifiedType(FirstVec, SecondVec)) 4576255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4577255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4578f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // Treat Neon vector types and most AltiVec vector types as if they are the 4579f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // equivalent GCC vector types. 4580255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *First = FirstVec->getAs<VectorType>(); 4581255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *Second = SecondVec->getAs<VectorType>(); 4582f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson if (First->getNumElements() == Second->getNumElements() && 4583255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor hasSameType(First->getElementType(), Second->getElementType()) && 4584f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecPixel && 4585f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecBool && 4586f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecPixel && 4587f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecBool) 4588255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4589255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4590255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return false; 4591255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor} 4592255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 45934084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 45944084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 45954084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 45964084c306635b70f37029dca938444e6013f08684Steve Naroff 45974084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 45984084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 45994ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool 46004ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 46014ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad ObjCProtocolDecl *rProto) const { 46024084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 460314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 46044084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 46054084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 46064084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 46074084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 46084084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 46094084c306635b70f37029dca938444e6013f08684Steve Naroff} 461014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 46114084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 46124084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 46134084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 46144084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 46154084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 46164084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 46174084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 46184084c306635b70f37029dca938444e6013f08684Steve Naroff} 46194084c306635b70f37029dca938444e6013f08684Steve Naroff 4620a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// ObjCQualifiedClassTypesAreCompatible - compare Class<p,...> and 4621a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// Class<p1, ...>. 4622a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanianbool ASTContext::ObjCQualifiedClassTypesAreCompatible(QualType lhs, 4623a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType rhs) { 4624a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *lhsQID = lhs->getAs<ObjCObjectPointerType>(); 4625a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 4626a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian assert ((lhsQID && rhsOPT) && "ObjCQualifiedClassTypesAreCompatible"); 4627a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4628a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 4629a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = lhsQID->qual_end(); I != E; ++I) { 4630a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian bool match = false; 4631a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *lhsProto = *I; 4632a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 4633a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = rhsOPT->qual_end(); J != E; ++J) { 4634a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 4635a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto)) { 4636a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian match = true; 4637a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian break; 4638a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4639a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4640a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (!match) 4641a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return false; 4642a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4643a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return true; 4644a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian} 4645a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 46464084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 46474084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 46484084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 46494084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 46504084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 46511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 46524084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 46534084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 46541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 46554084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 46564084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 46574084c306635b70f37029dca938444e6013f08684Steve Naroff 46584084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 4659183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 46601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46614084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 46621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46634084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 46641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 46654084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 46664084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 46674084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 46684084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 46694084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 46704084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 46714084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 46720fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 46734084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 46744084c306635b70f37029dca938444e6013f08684Steve Naroff } 46754084c306635b70f37029dca938444e6013f08684Steve Naroff } 46764084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 46774084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 46784084c306635b70f37029dca938444e6013f08684Steve Naroff } 46791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 46804084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 46814084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 46824084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 46834084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 4684de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 4685de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 4686de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 4687de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 46884084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 46894084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 46904084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 46914084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 46924084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 46934084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 46948f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 46958f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 4696de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 46971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 46984084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 46994084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 47004084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 47014084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 47024084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 47034084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 47044084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 47050fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 47064084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 47074084c306635b70f37029dca938444e6013f08684Steve Naroff break; 47084084c306635b70f37029dca938444e6013f08684Steve Naroff } 47094084c306635b70f37029dca938444e6013f08684Steve Naroff } 47104084c306635b70f37029dca938444e6013f08684Steve Naroff } 47114084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 4712de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 4713de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 47141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4715de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 4716de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 47171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47184084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 47194084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 47204084c306635b70f37029dca938444e6013f08684Steve Naroff 47211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 47224084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 4723de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // If both the right and left sides have qualifiers. 47244084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 47254084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 47264084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 47274084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 47284084c306635b70f37029dca938444e6013f08684Steve Naroff 4729de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // when comparing an id<P> on rhs with a static type on lhs, 47304084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 47314084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 4732de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // First, lhs protocols in the qualifier list must be found, direct 4733de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // or indirect in rhs's qualifier list or it is a mismatch. 47344084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 47354084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 47364084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 47374084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 47384084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 47394084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 47404084c306635b70f37029dca938444e6013f08684Steve Naroff break; 47414084c306635b70f37029dca938444e6013f08684Steve Naroff } 47424084c306635b70f37029dca938444e6013f08684Steve Naroff } 47434084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 47444084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 47454084c306635b70f37029dca938444e6013f08684Steve Naroff } 4746de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian 4747de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // Static class's protocols, or its super class or category protocols 4748de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // must be found, direct or indirect in rhs's qualifier list or it is a mismatch. 4749de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 4750de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4751de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian CollectInheritedProtocols(lhsID, LHSInheritedProtocols); 4752de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // This is rather dubious but matches gcc's behavior. If lhs has 4753de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // no type qualifier and its class has no static protocol(s) 4754de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // assume that it is mismatch. 4755de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (LHSInheritedProtocols.empty() && lhsOPT->qual_empty()) 4756de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 4757de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4758de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian LHSInheritedProtocols.begin(), 4759de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = LHSInheritedProtocols.end(); I != E; ++I) { 4760de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian bool match = false; 4761de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *lhsProto = (*I); 4762de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 4763de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = rhsQID->qual_end(); J != E; ++J) { 4764de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 4765de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 4766de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 4767de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian match = true; 4768de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian break; 4769de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 4770de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 4771de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (!match) 4772de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 4773de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 4774de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 47754084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 47764084c306635b70f37029dca938444e6013f08684Steve Naroff } 47774084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 47784084c306635b70f37029dca938444e6013f08684Steve Naroff} 47794084c306635b70f37029dca938444e6013f08684Steve Naroff 47804084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 47814084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 47824084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 47834084c306635b70f37029dca938444e6013f08684Steve Naroff/// 47844084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 47854084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 4786c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4787c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4788c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 47894084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 4790c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 4791c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 47924084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 47934084c306635b70f37029dca938444e6013f08684Steve Naroff 4794c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 47951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 47961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 47974084c306635b70f37029dca938444e6013f08684Steve Naroff false); 4798a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4799a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (LHS->isObjCQualifiedClass() && RHS->isObjCQualifiedClass()) 4800a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return ObjCQualifiedClassTypesAreCompatible(QualType(LHSOPT,0), 4801a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType(RHSOPT,0)); 4802a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4803c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 4804c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 48054084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 48061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48074084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 480814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 480914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4810132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 4811132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// for providing type-safty for objective-c pointers used to pass/return 4812132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 4813132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 4814132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 4815132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 4816132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4817132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *RHSOPT) { 4818a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 4819132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4820132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4821132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 4822132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 4823132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4824132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4825a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 4826132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 4827132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 4828132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 4829132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4830132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 4831132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 4832132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 4833132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 4834132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 4835132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4836132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 4837132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4838132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4839132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4840132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4841132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4842132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4843132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4844132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4845e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 4846e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 4847e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 4848e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 4849e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 4850e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 4851e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4852e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 4853e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 4854e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4855c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4856c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4857c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 4858c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 4859e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4860e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 4861e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 4862e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 4863e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 4864e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4865432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4866c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 4867c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 4868e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 4869e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 4870e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4871e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4872e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 4873e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 4874cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 4875cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 4876e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 4877e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 4878e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 4879e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4880e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4881432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 4882c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 4883c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 4884432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4885432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 4886432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 4887432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 4888432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 4889e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4890e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 4891e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4892db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 4893db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 4894db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 4895db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 4896db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 4897c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 4898c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 4899c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 4900c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 4901c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 4902c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 4903c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LDecl || !RDecl) 4904db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4905db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4906c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall while ((LDecl = LDecl->getSuperClass())) { 4907c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 4908e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 4909c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::SmallVector<ObjCProtocolDecl *, 8> Protocols; 4910c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 4911c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4912c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 4913c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 4914c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 4915c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 4916c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 4917e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4918db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian } 4919db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4920db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4921db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 4922db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4923c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 4924c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 4925c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 4926c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 4927c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 49286ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 49296ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 4930c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 49316ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 49321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49336ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 49346ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 4935c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 49366ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 49371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49386ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, then it 49396ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // isn't a superset. 4940c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (RHS->getNumProtocols() == 0) 49416ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; // FIXME: should return false! 49421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4943c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 4944c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 494591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 494691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 494791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 494891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 494991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 4950c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 4951c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 49528f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 49538f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 495491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 49558f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 49568f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 495791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 495891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 495991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 496091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 496191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 496291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 496391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 49646ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 49656ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4966389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 4967389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 4968183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 4969183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 49701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 497114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 4972389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 497314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 497414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 497514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 4976389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 4977389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 4978569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorbool ASTContext::canBindObjCObjectType(QualType To, QualType From) { 4979569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return canAssignObjCInterfaces( 4980569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(To)->getAs<ObjCObjectPointerType>(), 4981569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(From)->getAs<ObjCObjectPointerType>()); 4982569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 4983569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 49841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 4985ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 49861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 4987ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 4988447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregorbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS, 4989447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool CompareUnqualified) { 49900e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 49910e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 49920e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 4993447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return !mergeTypes(LHS, RHS, false, CompareUnqualified).isNull(); 49943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 49953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4996132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 4997132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 4998132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4999132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 50004846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeTransparentUnionType - if T is a transparent union type and a member 50014846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// of T is compatible with SubType, return the merged type, else return 50024846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// QualType() 50034846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeTransparentUnionType(QualType T, QualType SubType, 50044846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 50054846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 50064846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (const RecordType *UT = T->getAsUnionType()) { 50074846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne RecordDecl *UD = UT->getDecl(); 50084846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (UD->hasAttr<TransparentUnionAttr>()) { 50094846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne for (RecordDecl::field_iterator it = UD->field_begin(), 50104846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne itend = UD->field_end(); it != itend; ++it) { 5011f91d7572ee7fa6f2926c8e7e816039a1154a59f8Peter Collingbourne QualType ET = it->getType().getUnqualifiedType(); 50124846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType MT = mergeTypes(ET, SubType, OfBlockPointer, Unqualified); 50134846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!MT.isNull()) 50144846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return MT; 50154846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 50164846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 50174846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 50184846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 50194846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return QualType(); 50204846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 50214846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 50224846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeFunctionArgumentTypes - merge two types which appear as function 50234846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// argument types 50244846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeFunctionArgumentTypes(QualType lhs, QualType rhs, 50254846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 50264846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 50274846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // GNU extension: two types are compatible if they appear as a function 50284846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // argument, one of the types is a transparent union type and the other 50294846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // type is compatible with a union member 50304846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType lmerge = mergeTransparentUnionType(lhs, rhs, OfBlockPointer, 50314846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 50324846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!lmerge.isNull()) 50334846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return lmerge; 50344846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 50354846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType rmerge = mergeTransparentUnionType(rhs, lhs, OfBlockPointer, 50364846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 50374846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!rmerge.isNull()) 50384846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return rmerge; 50394846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 50404846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return mergeTypes(lhs, rhs, OfBlockPointer, Unqualified); 50414846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 50424846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 5043132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 5044447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5045447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 5046183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 5047183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 504872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 504972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 50503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 50513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 50523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 50533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 5054132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 5055d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (OfBlockPointer) { 5056d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType RHS = rbase->getResultType(); 5057d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType LHS = lbase->getResultType(); 5058d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian bool UnqualifiedResult = Unqualified; 5059d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (!UnqualifiedResult) 5060d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian UnqualifiedResult = (!RHS.hasQualifiers() && LHS.hasQualifiers()); 5061d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian retType = mergeTypes(RHS, LHS, true, UnqualifiedResult); 5062d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian } 5063132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 50648cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall retType = mergeTypes(lbase->getResultType(), rbase->getResultType(), false, 50658cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall Unqualified); 50663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 5067447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5068447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5069447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = retType.getUnqualifiedType(); 5070447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5071447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType LRetType = getCanonicalType(lbase->getResultType()); 5072447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType RRetType = getCanonicalType(rbase->getResultType()); 5073447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5074447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LRetType = LRetType.getUnqualifiedType(); 5075447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RRetType = RRetType.getUnqualifiedType(); 5076447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5077447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5078447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != LRetType) 507961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 5080447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != RRetType) 508161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 50828cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 50836a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 50846a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 50856a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 50866a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 5087264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 5088264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 50898cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 50908cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Compatible functions must have compatible calling conventions 50918cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (!isSameCallConv(lbaseInfo.getCC(), rbaseInfo.getCC())) 50928cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 50938cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 50948cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Regparm is part of the calling convention. 50958cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (lbaseInfo.getRegParm() != rbaseInfo.getRegParm()) 50968cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 50978cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 50988cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // It's noreturn if either type is. 50998cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // FIXME: some uses, e.g. conditional exprs, really want this to be 'both'. 51006a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 51018cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (NoReturn != lbaseInfo.getNoReturn()) 51026a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 51038cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (NoReturn != rbaseInfo.getNoReturn()) 51046a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 51051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51068cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall FunctionType::ExtInfo einfo(NoReturn, 51078cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall lbaseInfo.getRegParm(), 51088cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall lbaseInfo.getCC()); 5109e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 51103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 5111465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 5112465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 51133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 51143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 51153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 51163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 51173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 51183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 51193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 51203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 51213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 51223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 51233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 51247fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 51257fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 51267fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 51273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 51283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman llvm::SmallVector<QualType, 10> types; 51293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 51303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 51313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 51324846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType argtype = mergeFunctionArgumentTypes(largtype, rargtype, 51334846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne OfBlockPointer, 51344846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 51353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 5136447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5137447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5138447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor argtype = argtype.getUnqualifiedType(); 5139447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 51403d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 5141447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5142447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor largtype = largtype.getUnqualifiedType(); 5143447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor rargtype = rargtype.getUnqualifiedType(); 5144447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5145447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 514661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 514761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 514861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 514961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 51503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 51513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 51523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5153e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5154e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = lproto->getExtProtoInfo(); 5155e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 5156e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(retType, types.begin(), types.size(), EPI); 51573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 51583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 51593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 51603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 51613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 516272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 51633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 5164465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 51653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 51663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 51673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 51683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 51693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 51703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 51713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 51723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 51733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 5174b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 5175b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 5176b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 5177b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 5178b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 5179b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 51803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 51813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 51823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 51833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 51843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 51853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 51863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5187e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5188e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = proto->getExtProtoInfo(); 5189e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 51903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 5191e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall proto->getNumArgs(), EPI); 51923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 51933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 51943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 51953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 51968cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return getFunctionNoProtoType(retType, einfo); 51973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 51983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5199132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 5200447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5201447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 520243d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 520343d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 520443d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 52057c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 52067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 52070e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 52080e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 5209447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5210447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5211447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHS = LHS.getUnqualifiedType(); 5212447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHS = RHS.getUnqualifiedType(); 5213447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 52140e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 52153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 52163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 52173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5218f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 52193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 52203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 52213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 52220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 5223a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 5224a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 52250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 52260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 52270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 52280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 52290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall LQuals.getAddressSpace() != RQuals.getAddressSpace()) 52300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 52310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 52320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 52330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 52340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 52350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 52360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 52370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 52380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 52390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 52400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 52410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 52420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 52430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 52440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 52450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 52460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 52470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 52480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 52490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 52503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 52510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 52520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 52530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 52543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5255852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 5256852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 5257f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 52581adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 52591adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 52601adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 52611adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 52624c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 52634c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 5264a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 5265a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 5266a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 5267a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 52681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5269c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 5270c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 5271c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 5272c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5273213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 5274213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 5275213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 52761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52774e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 52784e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 52791adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 52801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 5281842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 5282842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 5283183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 52843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 52853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 5286bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 5287183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 52883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 52893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 5290bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 52911adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 52923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 5293ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 52943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 52954a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 52961adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 529772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 529872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 5299ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 530072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 530172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 530272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 530372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 530472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 530572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 53067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 53077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 530872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 530972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 531072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 531172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 5312c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 531372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 531472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 531572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 531672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 531772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 531872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 531972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 53201adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 53213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 53223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 53236217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 53246217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 5325447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5326447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5327447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5328447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5329447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, false, 5330447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 53313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 533207d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 533361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 533407d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 533561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 53363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 53373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 5338c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 5339c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 5340c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 53416217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 53426217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 5343447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5344447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5345447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5346447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5347447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer, 5348447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 5349c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 5350c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 5351c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 5352c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 5353c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 5354c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 5355c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 53561adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 53573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 53583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 53593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 53603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 53613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 53623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 53633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 53643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 5365447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5366447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSElem = LHSElem.getUnqualifiedType(); 5367447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSElem = RHSElem.getUnqualifiedType(); 5368447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5369447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5370447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSElem, RHSElem, false, Unqualified); 53713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 537261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 537361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 537461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 537561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 53763bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 53773bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 53783bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 53793bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 53803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 53813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 538261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 538361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 538461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 538561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 53863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 53873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 53883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 53893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 53903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 53913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 53923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 53933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 53943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 53953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 53963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 53973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 53983bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 53993bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 54007e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 54017e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 54023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 54031adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 5404447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return mergeFunctionTypes(LHS, RHS, OfBlockPointer, Unqualified); 540572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 540672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 54073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 54081adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 54093cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 54103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 541164cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 541264cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 541364cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 54143cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 54155a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 54161c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 54171c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 54183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 541961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 5420c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 5421c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 54225a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 54235a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 5424c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 5425c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 5426c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 54275fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 54285fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 54293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 543061490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 543114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 5432132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 5433132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 5434132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 5435132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian RHS->getAs<ObjCObjectPointerType>())) 5436132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 5437132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 5438132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5439183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 5440183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 544114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 544214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5443bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 5444132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5445ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 544672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 544772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 5448ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 54497192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 54502390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 54512390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 54522390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 54532390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 54542390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 54552390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 54562390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 54572390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 54582390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 54592390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 54602390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 54612390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 54622390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 54632390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 54642390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 54652390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 54662390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 54672390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 54682390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 54692390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 54702390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 54712390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 54722390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 54732390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 54742390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 5475e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 5476e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getFunctionExtInfo(LHS); 54772390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 54782390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 5479e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FPT->getNumArgs(), EPI); 54802390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 54812390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 54822390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 54832390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 54842390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 54852390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 54862390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 54872390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 54882390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 54892390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 54902390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 54912390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 54922390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 54932390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 54942390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 54952390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 54962390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 54972390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 54982390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 54992390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 55002390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 55012390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 55022390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 55032390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 55042390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 55052390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 55062390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 55072390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 55082390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 55092390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 55102390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 55112390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 55122390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 55132390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 55142390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 55152390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 55162390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 55172390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 55182390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 55192390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 55202390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 55212390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 55222390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 55232390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 55242390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 55252390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 55265426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 5527ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 5528ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 552988054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 55304ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getIntWidth(QualType T) const { 5531f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const EnumType *ET = dyn_cast<EnumType>(T)) 553229a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 55331274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (T->isBooleanType()) 55341274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor return 1; 5535f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 5536ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 5537ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5538ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 5539ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 5540f60946222721d9ba3c059563935c17b84703187aDouglas Gregor assert(T->hasSignedIntegerRepresentation() && "Unexpected type"); 55416a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 55426a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 55436a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 55446a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 5545e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VTy->getNumElements(), VTy->getVectorKind()); 55466a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 55476a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 55486a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 5549ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 55506a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 55516a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 55526a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 5553ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 5554ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 5555ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 5556ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 5557ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 5558ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 5559ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 5560ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 5561ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 5562ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 5563ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 5564ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 55652df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 55662df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 5567ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 5568ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 5569ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 5570ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 5571ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5572ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 55737b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios KyrtzidisASTMutationListener::~ASTMutationListener() { } 55747b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios Kyrtzidis 557586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 557686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 557786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 557886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 557986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 558086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 558133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// pointer over the consumed characters. This returns the resultant type. If 558233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// AllowTypeModifiers is false then modifier like * are not parsed, just basic 558333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// types. This allows "v2i*" to be parsed as a pointer to a v2i instead of 558433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// a vector of "i*". 558514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// 558614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// RequiresICE is filled in on return to indicate whether the value is required 558714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// to be an Integer Constant Expression. 55884ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType DecodeTypeFromStr(const char *&Str, const ASTContext &Context, 558986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 559014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool &RequiresICE, 559133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner bool AllowTypeModifiers) { 559286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 559386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 559486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 559514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = false; 5596393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 559733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Read the prefixed modifiers first. 559886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 559986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 560086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 56011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 5602393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner case 'I': 560314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = true; 5604393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner break; 560586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 560686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 560786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 560886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 560986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 561086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 561186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 561286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 561386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 561486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 561586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 561686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 561786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 561886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 561986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 562086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 562186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 562286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 56231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 562486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 562586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 562686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 562786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 562886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 562986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 563086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 563186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 563286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 563386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 563486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 563586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 563686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 563786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 563886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 563986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 564086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 564186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 564286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 564386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 564486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 564586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 564686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 564786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 564886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 564986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 565086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 565186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 565286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 565386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 565486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 565586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 565686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 565786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 565886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 565986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 566086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 566186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 566286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 566386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 566486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 566586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 566686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 566786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 566886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 566986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 567086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 567186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 567286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 567386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 567486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 567586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 567686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 567786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 567886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 567986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 568086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 568186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 5682ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'G': 5683ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCIdType(); 5684ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 5685ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'H': 5686ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCSelType(); 5687ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 568886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 568986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 569086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 569186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 569286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 569386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 569486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 569586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 569686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 569786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 569886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 569986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 570086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 570186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 570286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 570314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (Type->isArrayType()) 570486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 570514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner else 570686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 570786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 570886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 570986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 571086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 571186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 571286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 57131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 571414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, 571514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, false); 571614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require vector ICE"); 571733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner 571833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // TODO: No way to make AltiVec vectors in builtins yet. 5719788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Type = Context.getVectorType(ElementType, NumElements, 5720e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 572186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 572286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5723d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 572414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, RequiresICE, 572514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner false); 572614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require complex ICE"); 5727d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 5728d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 5729d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor } 57309a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 5731c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 5732c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 5733f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 573486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 573586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5736fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 57379a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 5738f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 5739782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 5740f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 5741f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 5742f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 5743fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 5744f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 5745fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 5746fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 5747fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 5748782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 57491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 575033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // If there are modifiers and if we're allowed to parse them, go for it. 575133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Done = !AllowTypeModifiers; 575286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 5753187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 575433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner default: Done = true; --Str; break; 575533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '*': 575633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '&': { 575733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Both pointers and references can have their pointee types 575833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // qualified with an address space. 575933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner char *End; 576033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner unsigned AddrSpace = strtoul(Str, &End, 10); 576133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (End != Str && AddrSpace != 0) { 576233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getAddrSpaceQualType(Type, AddrSpace); 576333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Str = End; 576433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 576533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (c == '*') 576633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getPointerType(Type); 576733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner else 576833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getLValueReferenceType(Type); 576933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 577033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 577133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 577233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'C': 577333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Type.withConst(); 577433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 577533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'D': 577633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getVolatileType(Type); 577733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 577886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 577986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5780393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 578114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert((!RequiresICE || Type->isIntegralOrEnumerationType()) && 5782393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner "Integer constant 'I' type must be an integer"); 57831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 578486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 578586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 578686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 578786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 578833daae66462e8f51ee153463b32bdefd60c801aaChris LattnerQualType ASTContext::GetBuiltinType(unsigned Id, 578914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner GetBuiltinTypeError &Error, 57904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned *IntegerConstantArgs) const { 579133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(Id); 57921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 579386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner llvm::SmallVector<QualType, 8> ArgTypes; 57941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 579514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool RequiresICE = false; 579686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 579714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error, 579814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, true); 579986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 580086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 580114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 580214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Result of intrinsic cannot be required to be an ICE"); 580314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 580486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 580514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error, RequiresICE, true); 580686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 580786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 580886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 580914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // If this argument is required to be an IntegerConstantExpression and the 581014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // caller cares, fill in the bitmask we return. 581114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (RequiresICE && IntegerConstantArgs) 581214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner *IntegerConstantArgs |= 1 << ArgTypes.size(); 581314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 581486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 581586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 581686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 58171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 581886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 581986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 582086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 582186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 582286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 582386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 582400ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall FunctionType::ExtInfo EI; 582500ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (BuiltinInfo.isNoReturn(Id)) EI = EI.withNoReturn(true); 582600ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 582700ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall bool Variadic = (TypeStr[0] == '.'); 582800ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 582900ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall // We really shouldn't be making a no-proto type here, especially in C++. 583000ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (ArgTypes.empty() && Variadic) 583100ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall return getFunctionNoProtoType(ResType, EI); 5832ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 5833e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI; 583400ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.ExtInfo = EI; 583500ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.Variadic = Variadic; 5836e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5837e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), EPI); 583886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 5839a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 584090e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForFunction(const FunctionDecl *FD) { 584190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage External = GVA_StrongExternal; 584290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 584390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = FD->getLinkage(); 584490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 584590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 584690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 584790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 584890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 584990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 585090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 585190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (FD->getTemplateSpecializationKind()) { 585290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 585390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 585490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_StrongExternal; 585590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 585690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 585790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 585890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 585990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 586090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 586190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 586290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_TemplateInstantiation; 586390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 586490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 586590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 586690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 586790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isInlined()) 586890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 586990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 587090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!getLangOptions().CPlusPlus || FD->hasAttr<GNUInlineAttr>()) { 587190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // GNU or C99 inline semantics. Determine whether this symbol should be 587290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // externally visible. 587390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->isInlineDefinitionExternallyVisible()) 587490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 587590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 587690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C99 inline semantics, where the symbol is not externally visible. 587790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 587890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 587990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 588090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C++0x [temp.explicit]p9: 588190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // [ Note: The intent is that an inline function that is the subject of 588290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // an explicit instantiation declaration will still be implicitly 588390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // instantiated when used so that the body can be considered for 588490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // inlining, but that no out-of-line copy of the inline function would be 588590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // generated in the translation unit. -- end note ] 588690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->getTemplateSpecializationKind() 588790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis == TSK_ExplicitInstantiationDeclaration) 588890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 588990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 589090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_CXXInline; 589190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 589290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 589390e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForVariable(const VarDecl *VD) { 589490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // If this is a static data member, compute the kind of template 589590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // specialization. Otherwise, this variable is not part of a 589690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // template. 589790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TemplateSpecializationKind TSK = TSK_Undeclared; 589890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (VD->isStaticDataMember()) 589990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TSK = VD->getTemplateSpecializationKind(); 590090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 590190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = VD->getLinkage(); 590290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 590390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis VD->getType()->getLinkage() == UniqueExternalLinkage) 590490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 590590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 590690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 590790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 590890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 590990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 591090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 591190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 591290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 591390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (TSK) { 591490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 591590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 591690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 591790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 591890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 591990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis llvm_unreachable("Variable should not be instantiated"); 592090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Fall through to treat this like any other instantiation. 592190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 592290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 592390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 592490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 592590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 592690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_TemplateInstantiation; 592790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 592890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 592990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 593090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 593190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 593290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 59334ac7c0bb39696e92fd220118fedc484c09a69870Argyrios Kyrtzidisbool ASTContext::DeclMustBeEmitted(const Decl *D) { 593490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 593590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!VD->isFileVarDecl()) 593690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 593790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } else if (!isa<FunctionDecl>(D)) 593890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 593990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 5940ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis // Weak references don't produce any output by themselves. 5941ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (D->hasAttr<WeakRefAttr>()) 5942ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 5943ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 594490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Aliases and used decls are required. 594590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (D->hasAttr<AliasAttr>() || D->hasAttr<UsedAttr>()) 594690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 594790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 594890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 594990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Forward declarations aren't required. 595090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isThisDeclarationADefinition()) 595190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 595290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 595390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Constructors and destructors are required. 595490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->hasAttr<ConstructorAttr>() || FD->hasAttr<DestructorAttr>()) 595590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 595690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 595790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // The key function for a class is required. 595890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 595990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXRecordDecl *RD = MD->getParent(); 596090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (MD->isOutOfLine() && RD->isDynamicClass()) { 596190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXMethodDecl *KeyFunc = getKeyFunction(RD); 596290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (KeyFunc && KeyFunc->getCanonicalDecl() == MD->getCanonicalDecl()) 596390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 596490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 596590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 596690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 596790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage Linkage = GetGVALinkageForFunction(FD); 596890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 596990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // static, static inline, always_inline, and extern inline functions can 597090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // always be deferred. Normal inline functions can be deferred in C99/C++. 597190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Implicit template instantiations can also be deferred in C++. 597290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (Linkage == GVA_Internal || Linkage == GVA_C99Inline || 597390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage == GVA_CXXInline || Linkage == GVA_TemplateInstantiation) 597490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 597590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 597690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 597790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 597890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const VarDecl *VD = cast<VarDecl>(D); 597990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis assert(VD->isFileVarDecl() && "Expected file scoped var"); 598090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 5981ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (VD->isThisDeclarationADefinition() == VarDecl::DeclarationOnly) 5982ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 5983ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 598490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Structs that have non-trivial constructors or destructors are required. 598590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 598690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // FIXME: Handle references. 598790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const RecordType *RT = VD->getType()->getAs<RecordType>()) { 598890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl())) { 5989bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis if (RD->hasDefinition() && 5990bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis (!RD->hasTrivialConstructor() || !RD->hasTrivialDestructor())) 599190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 599290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 599390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 599490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 599590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage L = GetGVALinkageForVariable(VD); 599690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == GVA_Internal || L == GVA_TemplateInstantiation) { 599790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!(VD->getInit() && VD->getInit()->HasSideEffects(*this))) 599890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 599990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 600090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 600190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 600290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 6003071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 6004ee743f903858e337434ac0335f147f4de4ecae05Charles DavisCallingConv ASTContext::getDefaultMethodCallConv() { 6005ee743f903858e337434ac0335f147f4de4ecae05Charles Davis // Pass through to the C++ ABI object 6006ee743f903858e337434ac0335f147f4de4ecae05Charles Davis return ABI->getDefaultMethodCallConv(); 6007ee743f903858e337434ac0335f147f4de4ecae05Charles Davis} 6008ee743f903858e337434ac0335f147f4de4ecae05Charles Davis 60094ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::isNearlyEmpty(const CXXRecordDecl *RD) const { 6010dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson // Pass through to the C++ ABI object 6011dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson return ABI->isNearlyEmpty(RD); 6012dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson} 6013dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson 601414110477887e3dc168ffc6c191e72d705051f99ePeter CollingbourneMangleContext *ASTContext::createMangleContext() { 601514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne switch (Target.getCXXABI()) { 601614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_ARM: 601714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Itanium: 601814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createItaniumMangleContext(*this, getDiagnostics()); 601914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Microsoft: 602014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createMicrosoftMangleContext(*this, getDiagnostics()); 602114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne } 602214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne assert(0 && "Unsupported ABI"); 602314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return 0; 602414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne} 602514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 6026071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI::~CXXABI() {} 6027