ASTContext.cpp revision ad762fcdc16b9e4705b12b09d92b8c026212b906
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(), 110344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara SourceLocation(), 111344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara SourceLocation(), 112344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara TTP->getDepth(), 1133e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->getIndex(), 0, false, 1143e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->isParameterPack())); 1153e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor else if (NonTypeTemplateParmDecl *NTTP 1166952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor = dyn_cast<NonTypeTemplateParmDecl>(*P)) { 1176952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor QualType T = getCanonicalType(NTTP->getType()); 1186952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor TypeSourceInfo *TInfo = getTrivialTypeSourceInfo(T); 1196952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NonTypeTemplateParmDecl *Param; 1206952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor if (NTTP->isExpandedParameterPack()) { 1216952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor llvm::SmallVector<QualType, 2> ExpandedTypes; 1226952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor llvm::SmallVector<TypeSourceInfo *, 2> ExpandedTInfos; 1236952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor for (unsigned I = 0, N = NTTP->getNumExpansionTypes(); I != N; ++I) { 1246952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTypes.push_back(getCanonicalType(NTTP->getExpansionType(I))); 1256952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTInfos.push_back( 1266952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor getTrivialTypeSourceInfo(ExpandedTypes.back())); 1276952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } 1286952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor 1296952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor Param = NonTypeTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 130ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 131ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 1326952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getDepth(), 1336952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getPosition(), 0, 1346952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor T, 1356952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor TInfo, 1366952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTypes.data(), 1376952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTypes.size(), 1386952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTInfos.data()); 1396952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } else { 1406952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor Param = NonTypeTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 141ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 142ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 1436952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getDepth(), 1446952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getPosition(), 0, 1456952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor T, 1466952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->isParameterPack(), 1476952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor TInfo); 1486952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } 1496952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor CanonParams.push_back(Param); 1506952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor 1516952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } else 1523e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back(getCanonicalTemplateTemplateParmDecl( 1533e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor cast<TemplateTemplateParmDecl>(*P))); 1543e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 1553e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1563e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *CanonTTP 1573e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = TemplateTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 1583e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), TTP->getDepth(), 15961c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor TTP->getPosition(), 16061c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor TTP->isParameterPack(), 16161c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor 0, 1623e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList::Create(*this, SourceLocation(), 1633e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), 1643e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.data(), 1653e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.size(), 1663e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation())); 1673e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1683e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Get the new insert position for the node we care about. 1693e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); 1703e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor assert(Canonical == 0 && "Shouldn't be in the map!"); 1713e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor (void)Canonical; 1723e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1733e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Create the canonical template template parameter entry. 1743e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = new (*this) CanonicalTemplateTemplateParm(CanonTTP); 1753e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonTemplateTemplateParms.InsertNode(Canonical, InsertPos); 1763e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor return CanonTTP; 1773e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor} 1783e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 179071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI *ASTContext::createCXXABI(const TargetInfo &T) { 180ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall if (!LangOpts.CPlusPlus) return 0; 181ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall 18220cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis switch (T.getCXXABI()) { 183ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall case CXXABI_ARM: 184ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall return CreateARMCXXABI(*this); 185ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall case CXXABI_Itanium: 186071cc7deffad608165b1ddd5263e8bf181861520Charles Davis return CreateItaniumCXXABI(*this); 18720cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis case CXXABI_Microsoft: 18820cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis return CreateMicrosoftCXXABI(*this); 18920cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis } 190ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall return 0; 191071cc7deffad608165b1ddd5263e8bf181861520Charles Davis} 192071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 193207f4d8543529221932af82836016a2ef066c917Peter Collingbournestatic const LangAS::Map &getAddressSpaceMap(const TargetInfo &T, 194207f4d8543529221932af82836016a2ef066c917Peter Collingbourne const LangOptions &LOpts) { 195207f4d8543529221932af82836016a2ef066c917Peter Collingbourne if (LOpts.FakeAddressSpaceMap) { 196207f4d8543529221932af82836016a2ef066c917Peter Collingbourne // The fake address space map must have a distinct entry for each 197207f4d8543529221932af82836016a2ef066c917Peter Collingbourne // language-specific address space. 198207f4d8543529221932af82836016a2ef066c917Peter Collingbourne static const unsigned FakeAddrSpaceMap[] = { 199207f4d8543529221932af82836016a2ef066c917Peter Collingbourne 1, // opencl_global 200207f4d8543529221932af82836016a2ef066c917Peter Collingbourne 2, // opencl_local 201207f4d8543529221932af82836016a2ef066c917Peter Collingbourne 3 // opencl_constant 202207f4d8543529221932af82836016a2ef066c917Peter Collingbourne }; 203207f4d8543529221932af82836016a2ef066c917Peter Collingbourne return FakeAddrSpaceMap; 204207f4d8543529221932af82836016a2ef066c917Peter Collingbourne } else { 205207f4d8543529221932af82836016a2ef066c917Peter Collingbourne return T.getAddressSpaceMap(); 206207f4d8543529221932af82836016a2ef066c917Peter Collingbourne } 207207f4d8543529221932af82836016a2ef066c917Peter Collingbourne} 208207f4d8543529221932af82836016a2ef066c917Peter Collingbourne 20961710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerASTContext::ASTContext(const LangOptions& LOpts, SourceManager &SM, 210444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar const TargetInfo &t, 211e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar IdentifierTable &idents, SelectorTable &sels, 2121b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 21363fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor unsigned size_reserve) : 2148026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl FunctionProtoTypes(this_()), 215ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationTypes(this_()), 216ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationTypes(this_()), 217006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis GlobalNestedNameSpecifier(0), IsInt128Installed(false), 218006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis CFConstantStringTypeDecl(0), NSConstantStringTypeDecl(0), 219782fa308a765aeac2acb39c4e697c937ec21185bMike Stump ObjCFastEnumerationStateTypeDecl(0), FILEDecl(0), jmp_bufDecl(0), 220083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump sigjmp_bufDecl(0), BlockDescriptorType(0), BlockDescriptorExtendedType(0), 22114b6ba77710d6431794d65c7d58c6f29c3dc956ePeter Collingbourne cudaConfigureCallDecl(0), 222bf1a028246d884a540aeafa38e89be59a269b072John McCall NullTypeSourceInfo(QualType()), 223207f4d8543529221932af82836016a2ef066c917Peter Collingbourne SourceMgr(SM), LangOpts(LOpts), ABI(createCXXABI(t)), 224207f4d8543529221932af82836016a2ef066c917Peter Collingbourne AddrSpaceMap(getAddressSpaceMap(t, LOpts)), Target(t), 2252e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Idents(idents), Selectors(sels), 226ac9590effa90406767a544005ed1de52e258306bTed Kremenek BuiltinInfo(builtins), 227ac9590effa90406767a544005ed1de52e258306bTed Kremenek DeclarationNames(*this), 2289a44b5f5593bd8a385d06b07c564795f643ec8daArgyrios Kyrtzidis ExternalSource(0), Listener(0), PrintingPolicy(LOpts), 229f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek LastSDM(0, 0), 2308178df3b39ab923ff5d24538812628abee33df79John McCall UniqueBlockByRefTypeID(0) { 2310f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCIdRedefinitionType = QualType(); 2320f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCClassRedefinitionType = QualType(); 23363fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor ObjCSelRedefinitionType = QualType(); 2341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 235e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 23614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff InitBuiltinTypes(); 237e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 238e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 2403478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // Release the DenseMaps associated with DeclContext objects. 2413478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: Is this the ideal solution? 2423478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek ReleaseDeclContextMaps(); 2437d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 24463fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Call all of the deallocation functions. 24563fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (unsigned I = 0, N = Deallocations.size(); I != N; ++I) 24663fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor Deallocations[I].first(Deallocations[I].second); 2470054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2487d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // Release all of the memory associated with overridden C++ methods. 2497d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor for (llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::iterator 2507d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM = OverriddenMethods.begin(), OMEnd = OverriddenMethods.end(); 2517d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM != OMEnd; ++OM) 2527d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM->second.Destroy(); 2533478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek 254dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // ASTRecordLayout objects in ASTRecordLayouts must always be destroyed 25563fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // because they can contain DenseMaps. 25663fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (llvm::DenseMap<const ObjCContainerDecl*, 25763fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor const ASTRecordLayout*>::iterator 25863fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor I = ObjCLayouts.begin(), E = ObjCLayouts.end(); I != E; ) 25963fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Increment in loop to prevent using deallocated memory. 26063fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 26163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor R->Destroy(*this); 26263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor 263dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek for (llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 264dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { 265dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // Increment in loop to prevent using deallocated memory. 266dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 267dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek R->Destroy(*this); 268dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek } 2696320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 2706320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor for (llvm::DenseMap<const Decl*, AttrVec*>::iterator A = DeclAttrs.begin(), 2716320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AEnd = DeclAttrs.end(); 2726320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A != AEnd; ++A) 2736320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A->second->~AttrVec(); 2746320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 275ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 2760054531488928a424666ac11fcdc6bcc5112de52Douglas Gregorvoid ASTContext::AddDeallocation(void (*Callback)(void*), void *Data) { 2770054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor Deallocations.push_back(std::make_pair(Callback, Data)); 2780054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor} 2790054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 2812cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 2822cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 2832cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 2842cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, "*** AST Context Stats:\n"); 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d types total.\n", (int)Types.size()); 2887c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 289dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 2901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 291dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 292dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 293dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 294dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 295c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 2975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 298dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 301dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 302dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 303dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 304dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 305dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, " %d %s types\n", (int)counts[Idx], #Name); \ 306dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 307dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 308dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 309dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 3101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 311dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, "Total bytes = %d\n", int(TotalBytes)); 312ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor 3134923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor // Implicit special member functions. 3141827403a7138946305c0058f262e02b595cf882fDouglas Gregor fprintf(stderr, " %u/%u implicit default constructors created\n", 3151827403a7138946305c0058f262e02b595cf882fDouglas Gregor NumImplicitDefaultConstructorsDeclared, 3161827403a7138946305c0058f262e02b595cf882fDouglas Gregor NumImplicitDefaultConstructors); 317225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor fprintf(stderr, " %u/%u implicit copy constructors created\n", 318225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor NumImplicitCopyConstructorsDeclared, 319225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor NumImplicitCopyConstructors); 320a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor fprintf(stderr, " %u/%u implicit copy assignment operators created\n", 321a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor NumImplicitCopyAssignmentOperatorsDeclared, 322a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor NumImplicitCopyAssignmentOperators); 3234923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor fprintf(stderr, " %u/%u implicit destructors created\n", 3244923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor NumImplicitDestructorsDeclared, NumImplicitDestructors); 3254923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor 3262cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 3272cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor fprintf(stderr, "\n"); 3282cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 3292cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 330ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor 33163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor BumpAlloc.PrintStats(); 3325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 335e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 3366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 337e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 3386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 3395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinTypes() { 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 3431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 3455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 3461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 35015b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 3515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 3555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 3601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 3635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 3645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 3655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 3671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 37264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 3732df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 3742df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 3752df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 3762df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 3773f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (LangOpts.CPlusPlus) { // C++ 3.9.1p5 3783f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (!LangOpts.ShortWChar) 3793f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_S); 3803f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner else // -fshort-wchar makes wchar_t be unsigned. 3813f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_U); 3823f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner } else // C99 3833a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 38464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 385f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 386f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 387f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 388f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 389f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 390f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 391f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 392f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 393f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 394f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 395898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 396898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 397898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 398898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 399898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 400898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 4018e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 4022a984cad5ac3fdceeff2bd99daa7b90979313475John McCall // Placeholder type for functions. 4032a984cad5ac3fdceeff2bd99daa7b90979313475John McCall InitBuiltinType(OverloadTy, BuiltinType::Overload); 4042a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 4051de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall // "any" type; useful for debugger-like clients. 4061de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall InitBuiltinType(UnknownAnyTy, BuiltinType::UnknownAny); 4071de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 4128e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 4137e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 4141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 415de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // "Builtin" typedefs set by Sema::ActOnTranslationUnitScope(). 416de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = QualType(); 417de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = QualType(); 41813dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = QualType(); 4191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 421de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 422de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 42313dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 42414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 425a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 4261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 42833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 4296e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 4306e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 4316e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 4325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 43478a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios KyrtzidisDiagnostic &ASTContext::getDiagnostics() const { 43578a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis return SourceMgr.getDiagnostics(); 43678a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis} 43778a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis 4386320064d0c60fa8683f5623881c9394fd4aa7689Douglas GregorAttrVec& ASTContext::getDeclAttrs(const Decl *D) { 4396320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AttrVec *&Result = DeclAttrs[D]; 4406320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (!Result) { 4416320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor void *Mem = Allocate(sizeof(AttrVec)); 4426320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Result = new (Mem) AttrVec; 4436320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 4446320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 4456320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor return *Result; 4466320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 4476320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 4486320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor/// \brief Erase the attributes corresponding to the given declaration. 4496320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregorvoid ASTContext::eraseDeclAttrs(const Decl *D) { 4506320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor llvm::DenseMap<const Decl*, AttrVec*>::iterator Pos = DeclAttrs.find(D); 4516320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (Pos != DeclAttrs.end()) { 4526320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Pos->second->~AttrVec(); 4536320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor DeclAttrs.erase(Pos); 4546320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 4556320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 4566320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 457251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 458663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 4597caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 460663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 4617caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 4627caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 4637caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 4641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4657caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 4667caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 4677caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 4681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 469251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 4709421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis TemplateSpecializationKind TSK, 4719421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis SourceLocation PointOfInstantiation) { 4727caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 4737caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 4747caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 4757caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 476251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 4779421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis = new (*this) MemberSpecializationInfo(Tmpl, TSK, PointOfInstantiation); 4787caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 4797caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 4807ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 481ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 4827ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 483ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 484ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 4850d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 4861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4870d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 4880d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 4890d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 4900d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 491ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 492ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 493ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 494ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 495ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 496ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 497ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 498ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 499ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 500ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 501ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 502ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 503ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 504ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 505ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 506ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 507ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 508ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 509ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 510ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 511ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 512ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 513ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 514ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 5150d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 5160d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 517d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 518d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 519d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 520d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 521d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 5221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 523d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 524d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 525d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 526d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 527d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 528d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 529d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 530d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 531d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 5321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 533d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 534d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 535d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 5367d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 5377d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 5387d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 5397d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 5407d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 5417d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 5427d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 5437d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 5447d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 5457d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 5467d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 5477d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 5487d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 5497d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 5507d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 5517d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 5527d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 5537d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 5547d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 5557d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 556c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidisunsigned 557c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios KyrtzidisASTContext::overridden_methods_size(const CXXMethodDecl *Method) const { 558c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 559c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis = OverriddenMethods.find(Method); 560c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis if (Pos == OverriddenMethods.end()) 561c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return 0; 562c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 563c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return Pos->second.size(); 564c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis} 565c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 5667d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 5677d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 5687d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 5697d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 5707d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 571464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 572464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 573464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 574a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 575b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 576b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 577b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 578183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 579b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 580b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 581b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 582b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 583b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 584b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 585b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 586b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 587b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 5888b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 589af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 590af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 5915d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 5925d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 5934ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) const { 594dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 595dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 5964081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall bool UseAlignAttrOnly = false; 5974081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (unsigned AlignFromAttr = D->getMaxAlignment()) { 5984081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall Align = AlignFromAttr; 5994081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall 6004081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // __attribute__((aligned)) can increase or decrease alignment 6014081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // *except* on a struct or struct member, where it only increases 6024081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // alignment unless 'packed' is also specified. 6034081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // 6044081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // It is an error for [[align]] to decrease alignment, so we can 6054081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // ignore that possibility; Sema should diagnose it. 6064081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (isa<FieldDecl>(D)) { 6074081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = D->hasAttr<PackedAttr>() || 6084081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 6094081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else { 6104081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = true; 6114081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 6124081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 613dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 614ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // If we're using the align attribute only, just ignore everything 615ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // else about the declaration and its type. 6164081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (UseAlignAttrOnly) { 617ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // do nothing 618ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 6194081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 620af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 6216217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 6225d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 6235d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 6245d484e8cf710207010720589d89602233de61d01Sebastian Redl else 6255d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 6265d484e8cf710207010720589d89602233de61d01Sebastian Redl } 6275d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 6283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Adjust alignments of declarations with array type by the 6293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // large-array alignment on the target. 6306deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned MinWidth = Target.getLargeArrayMinWidth(); 6313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *arrayType; 6323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (MinWidth && (arrayType = getAsArrayType(T))) { 6333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (isa<VariableArrayType>(arrayType)) 6343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Align = std::max(Align, Target.getLargeArrayAlign()); 6353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall else if (isa<ConstantArrayType>(arrayType) && 6363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall MinWidth <= getTypeSize(cast<ConstantArrayType>(arrayType))) 6373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Align = std::max(Align, Target.getLargeArrayAlign()); 6383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 6393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Walk through any array types while we're at it. 6403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall T = getBaseElementType(arrayType); 6416deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola } 642dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 643dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 644ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 645ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Fields can be subject to extra alignment constraints, like if 646ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the field is packed, the struct is packed, or the struct has a 647ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // a max-field-alignment constraint (#pragma pack). So calculate 648ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the actual alignment of the field within the struct, and then 649ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // (as we're expected to) constrain that by the alignment of the type. 650ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (const FieldDecl *field = dyn_cast<FieldDecl>(VD)) { 651ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // So calculate the alignment of the field. 652ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall const ASTRecordLayout &layout = getASTRecordLayout(field->getParent()); 653ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 654ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Start with the record's overall alignment. 655dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck unsigned fieldAlign = toBits(layout.getAlignment()); 656ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 657ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Use the GCD of that and the offset within the record. 658ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t offset = layout.getFieldOffset(field->getFieldIndex()); 659ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (offset > 0) { 660ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Alignment is always a power of 2, so the GCD will be a power of 2, 661ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // which means we get to do this crazy thing instead of Euclid's. 662ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t lowBitOfOffset = offset & (~offset + 1); 663ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (lowBitOfOffset < fieldAlign) 664ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall fieldAlign = static_cast<unsigned>(lowBitOfOffset); 665ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall } 666ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 667ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall Align = std::min(Align, fieldAlign); 66805f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 669af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 670dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 671eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(Align); 672af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 673b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 674ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 675bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(const Type *T) const { 676ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 677eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return std::make_pair(toCharUnitsFromBits(Info.first), 678eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck toCharUnitsFromBits(Info.second)); 679ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 680ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 681ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 682bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(QualType T) const { 683ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 684ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 685ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 686a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 687a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 6880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 6890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 6900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 6910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 692d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 6934ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getTypeInfo(const Type *T) const { 6945e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 6955e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 696a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 69772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 69872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 69918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 70072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 70172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 70218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor assert(false && "Should not see dependent types"); 70372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 70472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 7055d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 7065d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 70718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 70818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 70918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 71018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 71118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 71272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 713fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 71418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 71518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 71618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 71718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 718fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 7191d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 7201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 72198be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 7229e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 723030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 724030d8846c7e520330007087e949f621989876e3aChris Lattner break; 7255c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 726213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 727030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 7289fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 7299fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 7309fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 7314bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 7326fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 7336fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 7348eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 7359fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 7369fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 7379fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 738030d8846c7e520330007087e949f621989876e3aChris Lattner break; 739030d8846c7e520330007087e949f621989876e3aChris Lattner } 7405d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 7419e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 742a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 743692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 744d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 74518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 74618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 74718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 74818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 74918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 7506f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 7519e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 7529e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 7536f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 754692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 755692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 756692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 7576f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 7589e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 7599e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 7606f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7613f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 7623f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 76364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 76464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 76564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 766f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 767f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar16Width(); 768f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar16Align(); 769f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 770f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 771f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar32Width(); 772f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar32Align(); 773f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 774692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 7756f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 7769e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 7779e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 7786f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 779692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 7806f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 7819e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 7829e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 7836f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 784692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 7856f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 7869e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 7879e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 7886f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 789692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 7906f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 7919e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 7929e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 7936f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 794ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 795ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 796ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 797ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 798ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 7996f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 8009e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 8019e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 8026f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 8036f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 8045426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 8055426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 8066f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 8076f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 8089e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 8099e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 8106f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 8116e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 8126e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Width = Target.getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 8136e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Align = Target.getPointerAlign(0); // == sizeof(void*) 8141590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 815e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCId: 816e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCClass: 817e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCSel: 818e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Width = Target.getPointerWidth(0); 819e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Align = Target.getPointerAlign(0); 820e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian break; 821a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 822bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 823d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 8245426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 825f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 8266f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 827485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 828207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace( 829207f4d8543529221932af82836016a2ef066c917Peter Collingbourne cast<BlockPointerType>(T)->getPointeeType()); 830485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 831485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 832485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 833485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 8345d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 8355d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 8365d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 8375d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 838207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace( 839207f4d8543529221932af82836016a2ef066c917Peter Collingbourne cast<ReferenceType>(T)->getPointeeType()); 8405d484e8cf710207010720589d89602233de61d01Sebastian Redl Width = Target.getPointerWidth(AS); 8415d484e8cf710207010720589d89602233de61d01Sebastian Redl Align = Target.getPointerAlign(AS); 8425d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 8435d484e8cf710207010720589d89602233de61d01Sebastian Redl } 844f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 845207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace(cast<PointerType>(T)->getPointeeType()); 8465426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 847f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 848f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 849f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 850f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 851071cc7deffad608165b1ddd5263e8bf181861520Charles Davis const MemberPointerType *MPT = cast<MemberPointerType>(T); 8521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 8531cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 854071cc7deffad608165b1ddd5263e8bf181861520Charles Davis Width = PtrDiffInfo.first * ABI->getMemberPointerSize(MPT); 8551cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 8561cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 857f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 8585d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 8595d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 8605d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 8611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 86298be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 8639e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 8645d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 8655d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 8665d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 867c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 868c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 86944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 8701d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 87144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 872dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 873dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 87444a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 87544a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 87672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 87772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 8781d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 8791d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 8801d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 8818389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Width = 1; 8828389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Align = 1; 8838389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 8848389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 8851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8861d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 8877176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 8887176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 8891d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 8907176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 891dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 892dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 893dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 894a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 8957532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 8969fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 89749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 89849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 89949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 90034b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: { 90134b41d939a1328f484511c6002ba2456db879a29Richard Smith const AutoType *A = cast<AutoType>(T); 90234b41d939a1328f484511c6002ba2456db879a29Richard Smith assert(A->isDeduced() && "Cannot request the size of a dependent type"); 903dc856aff4428380baa9afb5577ea04f8fb6beb13Matt Beaumont-Gay return getTypeInfo(A->getDeducedType().getTypePtr()); 90434b41d939a1328f484511c6002ba2456db879a29Richard Smith } 90534b41d939a1328f484511c6002ba2456db879a29Richard Smith 906075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara case Type::Paren: 907075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return getTypeInfo(cast<ParenType>(T)->getInnerType().getTypePtr()); 908075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 90918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 91018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor const TypedefDecl *Typedef = cast<TypedefType>(T)->getDecl(); 911df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor std::pair<uint64_t, unsigned> Info 912df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor = getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 913c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // If the typedef has an aligned attribute on it, it overrides any computed 914c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // alignment we have. This violates the GCC documentation (which says that 915c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // attribute(aligned) can only round up) but matches its implementation. 916c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner if (unsigned AttrAlign = Typedef->getMaxAlignment()) 917c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = AttrAlign; 918c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner else 919c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = Info.second; 920df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Width = Info.first; 9217532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 9227176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 92318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 92418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 92518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 92618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 92718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 92818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 92918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 93018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 931395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 932395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 933395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 934395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 935465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 936465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 9371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9389d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall case Type::Attributed: 9399d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return getTypeInfo( 9409d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall cast<AttributedType>(T)->getEquivalentType().getTypePtr()); 9419d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 94218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TemplateSpecialization: 9431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 94418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 94518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // FIXME: this is likely to be wrong once we support template 94618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // aliases, since a template alias could refer to a typedef that 94718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // has an __aligned__ attribute on it. 94818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(getCanonicalType(T)); 94918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 9501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 951464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 9529e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 953a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 954a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 955eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck/// toCharUnitsFromBits - Convert a size in bits to a size in characters. 956eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen DyckCharUnits ASTContext::toCharUnitsFromBits(int64_t BitSize) const { 957eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return CharUnits::fromQuantity(BitSize / getCharWidth()); 958eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck} 959eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck 960dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck/// toBits - Convert a size in characters to a size in characters. 961dd76a9ab9ea675671200f94b18ce95766841952bKen Dyckint64_t ASTContext::toBits(CharUnits CharSize) const { 962dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck return CharSize.getQuantity() * getCharWidth(); 963dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck} 964dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck 965bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 966bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 9674ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(QualType T) const { 968eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 969bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 9704ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(const Type *T) const { 971eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 972bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 973bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 97416e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 97586fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 9764ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(QualType T) const { 977eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 97886fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 9794ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(const Type *T) const { 980eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 98186fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 98286fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 98334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 98434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 98534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 98634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 9874ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getPreferredTypeAlign(const Type *T) const { 98834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 9891eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 9901eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 991183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 9921eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 9931eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 9941eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 9951eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 9961eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 99734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 99834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 99934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 10008e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// ShallowCollectObjCIvars - 10018e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// Collect all ivars, including those synthesized, in the current class. 10028e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// 10038e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianvoid ASTContext::ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 10044ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) const { 10052c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian // FIXME. This need be removed but there are two many places which 10062c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian // assume const-ness of ObjCInterfaceDecl 10072c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian ObjCInterfaceDecl *IDecl = const_cast<ObjCInterfaceDecl *>(OI); 10082c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCIvarDecl *Iv = IDecl->all_declared_ivar_begin(); Iv; 10092c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian Iv= Iv->getNextIvar()) 10102c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian Ivars.push_back(Iv); 10112c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian} 10122c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian 10132c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// DeepCollectObjCIvars - 10142c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// This routine first collects all declared, but not synthesized, ivars in 10152c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// super class and then collects all ivars, including those synthesized for 10162c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// current class. This routine is used for implementation of current class 10172c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// when all ivars, declared and synthesized are known. 10189820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 10192c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanianvoid ASTContext::DeepCollectObjCIvars(const ObjCInterfaceDecl *OI, 10202c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian bool leafClass, 10214ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) const { 10222c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 10232c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(SuperClass, false, Ivars); 10242c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (!leafClass) { 10252c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 10262c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian E = OI->ivar_end(); I != E; ++I) 102711062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 102811062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian } 10292c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian else 10302c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian ShallowCollectObjCIvars(OI, Ivars); 10319820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 10329820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 1033e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 1034e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 1035e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 1036432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 1037e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 103853b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // We can use protocol_iterator here instead of 103953b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // all_referenced_protocol_iterator since we are walking all categories. 104053b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCInterfaceDecl::all_protocol_iterator P = OI->all_referenced_protocol_begin(), 104153b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek PE = OI->all_referenced_protocol_end(); P != PE; ++P) { 1042e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1043432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1044e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1045b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 1046b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 1047e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1048e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1049b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 1050e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 1051e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 1052e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 1053e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 1054e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 1055e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 1056e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 1057e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 1058e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 1059e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1060b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 106153b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCCategoryDecl::protocol_iterator P = OC->protocol_begin(), 1062e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 1063e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1064432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1065e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1066e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1067e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1068e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1069b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 1070e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 1071e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 1072e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1073432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1074e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1075e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1076e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1077e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1078e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1079e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 1080e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 10814ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) const { 10823bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 10833bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 108480aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian for (const ObjCCategoryDecl *CDecl = OI->getFirstClassExtension(); CDecl; 108580aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian CDecl = CDecl->getNextClassExtension()) 1086b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 1087b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 10883bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 10893bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 10903bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 1091b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 1092b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 10938e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 10948e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 10958e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 10968a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 10978a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 10988a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 10998a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 11008a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 11018a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 11028a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 11038a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11048a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 11058a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 11068a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 11078a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 11088a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 11098a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 11108a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 11118a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11128a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 11138a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 11148a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 11158a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 11168a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 11178a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 11188a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11198a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 11208a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 11218a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 11228a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 11238a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 11248a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11258a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 11261ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Get the copy initialization expression of VarDecl,or NULL if 11271ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// none exists. 1128830937bc1100fba7682f7c32c40512085870f50cFariborz JahanianExpr *ASTContext::getBlockVarCopyInits(const VarDecl*VD) { 1129d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD && "Passed null params"); 1130d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1131d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "getBlockVarCopyInits - not __block var"); 1132830937bc1100fba7682f7c32c40512085870f50cFariborz Jahanian llvm::DenseMap<const VarDecl*, Expr*>::iterator 1133d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian I = BlockVarCopyInits.find(VD); 11341ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian return (I != BlockVarCopyInits.end()) ? cast<Expr>(I->second) : 0; 11351ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 11361ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 11371ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Set the copy inialization expression of a block var decl. 11381ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanianvoid ASTContext::setBlockVarCopyInits(VarDecl*VD, Expr* Init) { 11391ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian assert(VD && Init && "Passed null params"); 1140d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1141d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "setBlockVarCopyInits - not __block var"); 11421ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian BlockVarCopyInits[VD] = Init; 11431ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 11441ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 1145a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 1146b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1147a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 1148b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 1149b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1150b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 1151b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 1152b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 1153a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 11544ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned DataSize) const { 1155109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 1156109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 1157109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 1158109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 1159a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 1160109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 1161a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 1162a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 1163a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 1164a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 1165b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 1166b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1167a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 11686952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor SourceLocation L) const { 1169a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 1170c21c7e9c2cded68f91be15be6847c9649242dc17Douglas Gregor DI->getTypeLoc().initialize(const_cast<ASTContext &>(*this), L); 1171a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 1172a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 1173a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 1174b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 11754ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) const { 1176b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 1177b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1178b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1179b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 11804ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCImplementationLayout( 11814ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ObjCImplementationDecl *D) const { 1182b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 1183b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1184b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1185a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1186a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 1187a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1188a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 11894ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 11903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallASTContext::getExtQualType(const Type *baseType, Qualifiers quals) const { 11913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned fastQuals = quals.getFastQualifiers(); 11923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall quals.removeFastQualifiers(); 11930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 11940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 11950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 11963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals::Profile(ID, baseType, quals); 11973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 11983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ExtQuals *eq = ExtQualNodes.FindNodeOrInsertPos(ID, insertPos)) { 11993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(eq->getQualifiers() == quals); 12003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 12010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 12020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 12033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the base type is not canonical, make the appropriate canonical type. 12043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 12053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!baseType->isCanonicalUnqualified()) { 12063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = baseType->getCanonicalTypeInternal().split(); 12073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonSplit.second.addConsistentQualifiers(quals); 12083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getExtQualType(canonSplit.first, canonSplit.second); 12093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 12103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Re-find the insert position. 12113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall (void) ExtQualNodes.FindNodeOrInsertPos(ID, insertPos); 12123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 12133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 12143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals *eq = new (*this, TypeAlignment) ExtQuals(baseType, canon, quals); 12153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQualNodes.InsertNode(eq, insertPos); 12163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 12170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 12180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 12194ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 12204ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) const { 1221f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1222f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1223f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1224b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 12250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 12260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 12270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 12280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 12291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 12310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 12320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 12330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 12340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 12351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1237ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1238ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1239b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 12404ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Qualifiers::GC GCAttr) const { 1241d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1242b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1243d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 12441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12457f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (const PointerType *ptr = T->getAs<PointerType>()) { 12467f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall QualType Pointee = ptr->getPointeeType(); 124758f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 12484027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 12494027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 12504027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 12514027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 12521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 12540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 12550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 12560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 12571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 12590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 12600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 12610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 12620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 12631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1265d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1266a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1267e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCallconst FunctionType *ASTContext::adjustFunctionType(const FunctionType *T, 1268e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionType::ExtInfo Info) { 1269e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (T->getExtInfo() == Info) 1270e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return T; 1271e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1272e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType Result; 1273e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(T)) { 1274e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionNoProtoType(FNPT->getResultType(), Info); 1275e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } else { 1276e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall const FunctionProtoType *FPT = cast<FunctionProtoType>(T); 1277e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 1278e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall EPI.ExtInfo = Info; 1279e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1280e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FPT->getNumArgs(), EPI); 1281e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 1282e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1283e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return cast<FunctionType>(Result.getTypePtr()); 1284e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall} 1285e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 12865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 12875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 12884ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getComplexType(QualType T) const { 12895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 12905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 12925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 12931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 12965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 12971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 12995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 13005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1301467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1302f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 13031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1306c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 13075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13086b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 13095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 13115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 13155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 13164ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPointerType(QualType T) const { 13175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 13185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 13195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 13205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 13211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 13245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 13251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 13275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 13285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1329467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1330f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 13311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1334c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 13355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 13375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 13395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 13435618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 13444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockPointerType(QualType T) const { 1345296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1346296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 13475618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 13485618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 13495618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 13501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13515618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 13525618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 13535618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 13545618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 13551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 13575618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 13585618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1359467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 13605618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 13611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13625618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 13635618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 13645618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1365c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 13665618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 13676b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 13686b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 13695618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 13705618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 13715618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 13725618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 13735618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 13747c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 13757c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 13764ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 13774ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) const { 13785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 13795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 13805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 138154e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 13825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13847c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 13857c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 13865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 13877c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 138854e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 138954e14c4db764c0636160d26c5bbf491637c83a76John McCall 13905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 13915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 13925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 139354e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 139454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 139554e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 13967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 13987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 13997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1400c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 14027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14036b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 140454e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 140554e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 14067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 14077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 140854e14c4db764c0636160d26c5bbf491637c83a76John McCall 14097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 14107c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 14117c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14127c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 14137c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 14144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRValueReferenceType(QualType T) const { 14157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 14167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 14177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 141854e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 14197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14207c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 14217c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 14227c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 14237c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 14247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 142554e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 142654e14c4db764c0636160d26c5bbf491637c83a76John McCall 14277c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 14287c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 14297c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 143054e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 143154e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 143254e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 14337c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14357c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 14367c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1437c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14406b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 14416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 14425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14437c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 14445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1447f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1448f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 14494ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) const { 1450f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1451f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1452f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1453f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1454f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1455f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1456f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1457f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1458f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1459f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1460f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1461f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1462f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 146387c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1464f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1465f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1466f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1467f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1468f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1469c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 1470f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 14716b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 14726b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1473f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1474f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1475f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1476f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1477f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 14781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1479fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 14801eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 148138aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1482c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 148363e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals) const { 1484923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1485923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1486587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1487587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 148838aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 148938aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 149038aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 14919f71a8f4c7a182a5236da9e747d57cc1d1bd24c2Jay Foad ArySize = 1492207f4d8543529221932af82836016a2ef066c917Peter Collingbourne ArySize.zextOrTrunc(Target.getPointerWidth(getTargetAddressSpace(EltTy))); 14931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 149563e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, IndexTypeQuals); 14961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 14997192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 15005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 15011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the element type isn't canonical or has qualifiers, this won't 15033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // be a canonical type either, so fill in the canonical type field. 15043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 15053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 15063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 15073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getConstantArrayType(QualType(canonSplit.first, 0), ArySize, 150863e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ASM, IndexTypeQuals); 15093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getQualifiedType(Canon, canonSplit.second); 15103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 15115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 15121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 15137192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1514c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15176b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 151863e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType(EltTy, Canon, ArySize, ASM, IndexTypeQuals); 15197192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 15205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 15215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1524ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// getVariableArrayDecayedType - Turns the given type, which may be 1525ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// variably-modified, into the corresponding type with all the known 1526ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// sizes replaced with [*]. 1527ce8890371fcdb983ae487c87fa40606a34896ff7John McCallQualType ASTContext::getVariableArrayDecayedType(QualType type) const { 1528ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Vastly most common case. 1529ce8890371fcdb983ae487c87fa40606a34896ff7John McCall if (!type->isVariablyModifiedType()) return type; 1530ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1531ce8890371fcdb983ae487c87fa40606a34896ff7John McCall QualType result; 1532ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1533ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SplitQualType split = type.getSplitDesugaredType(); 1534ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const Type *ty = split.first; 1535ce8890371fcdb983ae487c87fa40606a34896ff7John McCall switch (ty->getTypeClass()) { 1536ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define TYPE(Class, Base) 1537ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define ABSTRACT_TYPE(Class, Base) 1538ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 1539ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#include "clang/AST/TypeNodes.def" 1540ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("didn't desugar past all non-canonical types?"); 1541ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1542ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types should never be variably-modified. 1543ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Builtin: 1544ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Complex: 1545ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Vector: 1546ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ExtVector: 1547ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedExtVector: 1548ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObject: 1549ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCInterface: 1550ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObjectPointer: 1551ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Record: 1552ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Enum: 1553ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::UnresolvedUsing: 1554ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOfExpr: 1555ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOf: 1556ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Decltype: 1557ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentName: 1558ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::InjectedClassName: 1559ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateSpecialization: 1560ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentTemplateSpecialization: 1561ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateTypeParm: 1562ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::SubstTemplateTypeParmPack: 156334b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: 1564ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::PackExpansion: 1565ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("type should never be variably-modified"); 1566ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1567ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified but should never need to 1568ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // further decay. 1569ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionNoProto: 1570ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionProto: 1571ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::BlockPointer: 1572ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::MemberPointer: 1573ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return type; 1574ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1575ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified. All these modifications 1576ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // preserve structure except as noted by comments. 1577ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // TODO: if we ever care about optimizing VLAs, there are no-op 1578ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // optimizations available here. 1579ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Pointer: 1580ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getPointerType(getVariableArrayDecayedType( 1581ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cast<PointerType>(ty)->getPointeeType())); 1582ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1583ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1584ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::LValueReference: { 1585ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const LValueReferenceType *lv = cast<LValueReferenceType>(ty); 1586ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getLValueReferenceType( 1587ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType()), 1588ce8890371fcdb983ae487c87fa40606a34896ff7John McCall lv->isSpelledAsLValue()); 1589ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1590745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1591ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1592ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::RValueReference: { 1593ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const RValueReferenceType *lv = cast<RValueReferenceType>(ty); 1594ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getRValueReferenceType( 1595ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType())); 1596ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1597745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1598745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1599ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ConstantArray: { 1600ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const ConstantArrayType *cat = cast<ConstantArrayType>(ty); 1601ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getConstantArrayType( 1602ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(cat->getElementType()), 1603ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSize(), 1604ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSizeModifier(), 1605ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getIndexTypeCVRQualifiers()); 1606ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1607745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1608745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1609ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedArray: { 1610ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const DependentSizedArrayType *dat = cast<DependentSizedArrayType>(ty); 1611ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getDependentSizedArrayType( 1612ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(dat->getElementType()), 1613ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeExpr(), 1614ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeModifier(), 1615ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getIndexTypeCVRQualifiers(), 1616ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getBracketsRange()); 1617ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1618ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1619ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1620ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn incomplete types into [*] types. 1621ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::IncompleteArray: { 1622ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const IncompleteArrayType *iat = cast<IncompleteArrayType>(ty); 1623ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1624ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(iat->getElementType()), 1625ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1626ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Normal, 1627ce8890371fcdb983ae487c87fa40606a34896ff7John McCall iat->getIndexTypeCVRQualifiers(), 1628ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SourceRange()); 1629ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1630ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1631ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1632ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn VLA types into [*] types. 1633ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::VariableArray: { 1634ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const VariableArrayType *vat = cast<VariableArrayType>(ty); 1635ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1636ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(vat->getElementType()), 1637ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1638ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Star, 1639ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getIndexTypeCVRQualifiers(), 1640ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getBracketsRange()); 1641ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1642ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1643ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1644ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1645ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Apply the top-level qualifiers from the original. 1646ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return getQualifiedType(result, split.second); 1647ce8890371fcdb983ae487c87fa40606a34896ff7John McCall} 1648745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1649bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1650bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 16517e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 16527e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1653c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 165463e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals, 16554ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceRange Brackets) const { 1656c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1657c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 16583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 1659715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 16603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Be sure to pull qualifiers off the element type. 16613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 16623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 16633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getVariableArrayType(QualType(canonSplit.first, 0), NumElts, ASM, 166463e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara IndexTypeQuals, Brackets); 16653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getQualifiedType(Canon, canonSplit.second); 1666715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor } 1667715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 16686b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 166963e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara VariableArrayType(EltTy, Canon, NumElts, ASM, IndexTypeQuals, Brackets); 1670c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1671c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1672c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1673c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1674c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1675c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1676898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1677898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 167804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 16793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getDependentSizedArrayType(QualType elementType, 16803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Expr *numElements, 1681898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 16823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals, 16833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SourceRange brackets) const { 16843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert((!numElements || numElements->isTypeDependent() || 16853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements->isValueDependent()) && 1686898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1687898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 16883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Dependently-sized array types that do not have a specified number 16893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of elements will have their sizes deduced from a dependent 16903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // initializer. We do no canonicalization here at all, which is okay 16913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // because they can't be used in most locations. 16923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!numElements) { 16933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *newType 16943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 16953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, QualType(), 16963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements, ASM, elementTypeQuals, 16973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 16983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 16993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1700cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1701cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 17023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we actually build a new type every time, but we 17033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // also build a canonical type. 17041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonElementType = getCanonicalType(elementType).split(); 1706898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 17073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 17083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall llvm::FoldingSetNodeID ID; 17093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType::Profile(ID, *this, 17103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(canonElementType.first, 0), 17113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, numElements); 17123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Look for an existing type with these properties. 17143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *canonTy = 17153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.FindNodeOrInsertPos(ID, insertPos); 17163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we don't have one, build one. 17183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!canonTy) { 17193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonTy = new (*this, TypeAlignment) 17203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, QualType(canonElementType.first, 0), 17213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(), numElements, ASM, elementTypeQuals, 17223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 17233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.InsertNode(canonTy, insertPos); 17243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(canonTy); 17253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 17263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Apply qualifiers from the element type to the array. 17283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon = getQualifiedType(QualType(canonTy,0), 17293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonElementType.second); 17303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we didn't need extra canonicalization for the element type, 17323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // then just use that as our result. 17333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (QualType(canonElementType.first, 0) == elementType) 17343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return canon; 17353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we need to build a type which follows the spelling 17373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of the element type. 17383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *sugaredType 17393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 17403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, canon, numElements, 17413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, brackets); 17423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(sugaredType); 17433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(sugaredType, 0); 17443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 17453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getIncompleteArrayType(QualType elementType, 1747c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 17483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals) const { 1749c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 17503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType::Profile(ID, elementType, ASM, elementTypeQuals); 1751c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 17523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 17533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (IncompleteArrayType *iat = 17543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos)) 17553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(iat, 0); 1756c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1757c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 17583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // either, so fill in the canonical type field. We also have to pull 17593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // qualifiers off the element type. 17603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 1761c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 17623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!elementType.isCanonical() || elementType.hasLocalQualifiers()) { 17633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(elementType).split(); 17643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getIncompleteArrayType(QualType(canonSplit.first, 0), 17653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals); 17663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getQualifiedType(canon, canonSplit.second); 1767c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1768c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 17693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *existing = 17703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos); 17713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!existing && "Shouldn't be in the map!"); (void) existing; 17722bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1773c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 17743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *newType = new (*this, TypeAlignment) 17753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType(elementType, canon, ASM, elementTypeQuals); 1776c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 17773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.InsertNode(newType, insertPos); 17783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 17793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1780fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1781fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 178273322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 178373322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 178482287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 17854ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad VectorType::VectorKind VecKind) const { 17863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(vecType->isBuiltinType()); 17871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 17895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1790e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::Profile(ID, vecType, NumElts, Type::Vector, VecKind); 1791788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 17925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 17935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 17945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 17955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 17975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 17985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1799255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (!vecType.isCanonical()) { 1800231da7eb3dd13007e5e40fffe48998e5ef284e06Bob Wilson Canonical = getVectorType(getCanonicalType(vecType), NumElts, VecKind); 18011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 18035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1804c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 18055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18066b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 1807e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(vecType, NumElts, Canonical, VecKind); 18085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 18095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 18105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 18115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1813213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 181473322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 18154ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 18164ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getExtVectorType(QualType vecType, unsigned NumElts) const { 18173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(vecType->isBuiltinType()); 18181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 181973322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 182073322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 1821788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, 1822e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 182373322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 182473322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 182573322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 182673322924127c873c13101b705dd823f5539ffa5fSteve Naroff 182773322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 182873322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 182973322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1830467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1831213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 18321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 183373322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 183473322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1835c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 183673322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 18376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 18386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 183973322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 184073322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 184173322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 184273322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 184373322924127c873c13101b705dd823f5539ffa5fSteve Naroff 18444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 18454ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentSizedExtVectorType(QualType vecType, 18464ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Expr *SizeExpr, 18474ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation AttrLoc) const { 18482ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 18491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 18502ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 18511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18522ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 18532ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 18542ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 18552ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 18562ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 18572ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 18582ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 18596b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 18606b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 18616b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 18622ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 18632ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 18642ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 18656b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 18666b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 18676b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 1868789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1869789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 1870789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1871789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 1872789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 18732ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 18742ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 18752ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 18762ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 18776b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 18786b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 18792ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 18802ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 18811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18829cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 18839cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 18849cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 18859cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 188672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 18875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 18884ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 18894ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionNoProtoType(QualType ResultTy, 18904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionType::ExtInfo &Info) const { 1891cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv DefaultCC = Info.getCC(); 1892cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv CallConv = (LangOpts.MRTD && DefaultCC == CC_Default) ? 1893cfe9af250f466e7e38becea4428990448ae07737Roman Divacky CC_X86StdCall : DefaultCC; 18945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 18955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 18965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1897264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 18981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 19001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 190172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 19025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 19031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1905ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 190604a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 1907264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 1908264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 1909264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 19101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 191272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 191372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1914c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 19155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1917cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionProtoType::ExtInfo newInfo = Info.withCallingConv(CallConv); 19186b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 1919cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionNoProtoType(ResultTy, Canonical, newInfo); 19205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 192172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 19225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 19235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 19245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 19265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 19274ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 19284ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionType(QualType ResultTy, 19294ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const QualType *ArgArray, unsigned NumArgs, 19304ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionProtoType::ExtProtoInfo &EPI) const { 19315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 19325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 19335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 19348026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, EPI, *this); 19355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 19371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 193872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 19395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 1940465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1941465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 19428b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl bool isCanonical= EPI.ExceptionSpecType == EST_None && ResultTy.isCanonical(); 19435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 194454e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 19455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 19465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1947cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv DefaultCC = EPI.ExtInfo.getCC(); 1948cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv CallConv = (LangOpts.MRTD && DefaultCC == CC_Default) ? 1949cfe9af250f466e7e38becea4428990448ae07737Roman Divacky CC_X86StdCall : DefaultCC; 1950e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 19515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 1952465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 19535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 195404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 19555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> CanonicalArgs; 19565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 19575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 195854e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 1959465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1960e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo CanonicalEPI = EPI; 19618b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl CanonicalEPI.ExceptionSpecType = EST_None; 19628b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl CanonicalEPI.NumExceptions = 0; 1963e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.ExtInfo 1964e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall = CanonicalEPI.ExtInfo.withCallingConv(getCanonicalCallConv(CallConv)); 1965e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 1966f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 1967beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 1968e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI); 1969465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 19705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 197172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 197272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1973c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 19745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1975465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 197672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // FunctionProtoType objects are allocated with extra bytes after them 1977465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // for two variable size arrays (for parameter and exception types) at the 197860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // end of them. Instead of the exception types, there could be a noexcept 197960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // expression and a context pointer. 1980e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall size_t Size = sizeof(FunctionProtoType) + 198160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NumArgs * sizeof(QualType); 198260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EPI.ExceptionSpecType == EST_Dynamic) 198360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl Size += EPI.NumExceptions * sizeof(QualType); 198460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl else if (EPI.ExceptionSpecType == EST_ComputedNoexcept) { 19858026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl Size += sizeof(Expr*); 198660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 1987e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType *FTP = (FunctionProtoType*) Allocate(Size, TypeAlignment); 1988cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionProtoType::ExtProtoInfo newEPI = EPI; 1989cfe9af250f466e7e38becea4428990448ae07737Roman Divacky newEPI.ExtInfo = EPI.ExtInfo.withCallingConv(CallConv); 19908026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, Canonical, newEPI); 19915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 199272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 19935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 19945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 19955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19963cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 19973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 19983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 19993cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 20003cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 20013cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 20023cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 20033cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 20043cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 20053cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 20063cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 20073cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 20083cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 20093cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 20103cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 20113cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 20124ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType TST) const { 20133cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 20143cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 20153cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 201637ffed3b7f229844cae2463ff82b527506c86c74Argyrios Kyrtzidis } else if (CXXRecordDecl *PrevDecl = Decl->getPreviousDeclaration()) { 20173cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 20183cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 20193cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 20203cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 2021f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = 202231f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 2023f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2024f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 20253cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 20263cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 20273cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 20283cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 20292ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 20302ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 20314ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) const { 20321e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 2033becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 20341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 203519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(Decl)) 20362ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 2037becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 2038becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 2039becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 2040becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 204119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 2042becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 2043becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 2044becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 2045400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getRecordType(Record); 204619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 2047becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 2048becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 2049400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getEnumType(Enum); 205019c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 2051ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 2052f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = new (*this, TypeAlignment) UnresolvedUsingType(Using); 2053f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2054f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 20559fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 2056becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 205749aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 205849aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 20592ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 20602ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 20615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 20625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified typename decl. 20639763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 20644ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getTypedefType(const TypedefDecl *Decl, QualType Canonical) const { 20655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 20661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20679763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (Canonical.isNull()) 20689763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canonical = getCanonicalType(Decl->getUnderlyingType()); 2069f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall TypedefType *newType = new(*this, TypeAlignment) 20706b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 2071f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2072f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2073f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 20745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 20755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20764ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRecordType(const RecordDecl *Decl) const { 2077400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2078400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2079400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const RecordDecl *PrevDecl = Decl->getPreviousDeclaration()) 2080400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2081400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2082400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2083f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall RecordType *newType = new (*this, TypeAlignment) RecordType(Decl); 2084f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2085f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2086f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2087400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2088400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 20894ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getEnumType(const EnumDecl *Decl) const { 2090400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2091400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2092400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const EnumDecl *PrevDecl = Decl->getPreviousDeclaration()) 2093400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2094400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2095400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2096f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall EnumType *newType = new (*this, TypeAlignment) EnumType(Decl); 2097f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2098f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2099f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2100400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2101400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 21029d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallQualType ASTContext::getAttributedType(AttributedType::Kind attrKind, 21039d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modifiedType, 21049d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType equivalentType) { 21059d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall llvm::FoldingSetNodeID id; 21069d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType::Profile(id, attrKind, modifiedType, equivalentType); 21079d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 21089d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall void *insertPos = 0; 21099d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType *type = AttributedTypes.FindNodeOrInsertPos(id, insertPos); 21109d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall if (type) return QualType(type, 0); 21119d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 21129d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType canon = getCanonicalType(equivalentType); 21139d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall type = new (*this, TypeAlignment) 21149d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType(canon, attrKind, modifiedType, equivalentType); 21159d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 21169d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Types.push_back(type); 21179d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypes.InsertNode(type, insertPos); 21189d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 21199d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return QualType(type, 0); 21209d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall} 21219d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 21229d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 212349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 212449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 212549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 21264ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Replacement) const { 2127467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 212849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 212949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 213049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 213149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 213249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 213349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 213449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 213549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 213649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 213749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 213849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 213949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 214049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 214149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 214249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 214349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 214449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 214549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 2146c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// \brief Retrieve a 2147c3069d618f4661d923cb1b5c4525b082fce73b04Douglas GregorQualType ASTContext::getSubstTemplateTypeParmPackType( 2148c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Parm, 2149c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack) { 2150c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#ifndef NDEBUG 2151c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor for (TemplateArgument::pack_iterator P = ArgPack.pack_begin(), 2152c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor PEnd = ArgPack.pack_end(); 2153c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor P != PEnd; ++P) { 2154c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getKind() == TemplateArgument::Type &&"Pack contains a non-type"); 2155c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getAsType().isCanonical() && "Pack contains non-canonical type"); 2156c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2157c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#endif 2158c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2159c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor llvm::FoldingSetNodeID ID; 2160c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType::Profile(ID, Parm, ArgPack); 2161c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor void *InsertPos = 0; 2162c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (SubstTemplateTypeParmPackType *SubstParm 2163c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos)) 2164c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2165c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2166c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType Canon; 2167c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (!Parm->isCanonicalUnqualified()) { 2168c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getCanonicalType(QualType(Parm, 0)); 2169c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getSubstTemplateTypeParmPackType(cast<TemplateTypeParmType>(Canon), 2170c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2171c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos); 2172c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2173c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2174c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType *SubstParm 2175c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = new (*this, TypeAlignment) SubstTemplateTypeParmPackType(Parm, Canon, 2176c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2177c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Types.push_back(SubstParm); 2178c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 2179c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2180c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor} 2181c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2182fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 21831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 218476e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 21851eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 218676e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 21874ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad IdentifierInfo *Name) const { 2188fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 2189efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, Name); 2190fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 21911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 2192fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2193fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2194fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 2195fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 21961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2197efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor if (Name) { 219876e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 2199efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TypeParm = new (*this, TypeAlignment) 2200efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType(Depth, Index, ParameterPack, Name, Canon); 2201789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2202789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 2203789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2204789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 2205789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 220676e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 22076b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 22086b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 2209fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2210fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 2211fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 2212fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2213fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 2214fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 2215fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 22163cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 22173cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 22183cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 22193cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 22204ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType CanonType) const { 22217c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Name.getAsDependentTemplateName() && 22227c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 22233cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST = getTemplateSpecializationType(Name, Args, CanonType); 22243cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 22253cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 22263cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 22273cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 22283cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 22293cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 22303cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 22313cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 22323cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 22333cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 22343cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 22353cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 22361eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 22377532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 2238d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 22394ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Canon) const { 22407c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 22417c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 22427c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 2243d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 2244d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 2245833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall llvm::SmallVector<TemplateArgument, 4> ArgVec; 2246833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 2247833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 2248833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 2249833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 225031f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 225171d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Canon); 2252833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 2253833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2254833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 2255833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 22567532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 22577532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 22584ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Canon) const { 22597c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 22607c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 22610f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor // Look through qualified template names. 22620f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) 22630f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor Template = TemplateName(QTN->getTemplateDecl()); 22647c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 2265b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (!Canon.isNull()) 2266b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = getCanonicalType(Canon); 22679763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis else 22689763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canon = getCanonicalTemplateSpecializationType(Template, Args, NumArgs); 2269fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 22701275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 22711275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 22721275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 22731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 227440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor sizeof(TemplateArgument) * NumArgs), 22756b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 22761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 2277ef99001908e799c388f1363b1e607dad5f5b57d3John McCall = new (Mem) TemplateSpecializationType(Template, 227831f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 2279828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor Canon); 22801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 228155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 22821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 228355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 228455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 22851eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 22869763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getCanonicalTemplateSpecializationType(TemplateName Template, 22879763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis const TemplateArgument *Args, 22884ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumArgs) const { 22897c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 22907c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 22910f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor // Look through qualified template names. 22920f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) 22930f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor Template = TemplateName(QTN->getTemplateDecl()); 22947c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 22959763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Build the canonical template specialization type. 22969763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateName CanonTemplate = getCanonicalTemplateName(Template); 22979763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::SmallVector<TemplateArgument, 4> CanonArgs; 22989763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.reserve(NumArgs); 22999763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis for (unsigned I = 0; I != NumArgs; ++I) 23009763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 23019763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 23029763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Determine whether this canonical template specialization type already 23039763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // exists. 23049763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::FoldingSetNodeID ID; 23059763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType::Profile(ID, CanonTemplate, 23069763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, *this); 23079763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 23089763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *InsertPos = 0; 23099763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType *Spec 23109763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 23119763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 23129763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (!Spec) { 23139763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Allocate a new canonical template specialization type. 23149763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *Mem = Allocate((sizeof(TemplateSpecializationType) + 23159763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis sizeof(TemplateArgument) * NumArgs), 23169763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TypeAlignment); 23179763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Spec = new (Mem) TemplateSpecializationType(CanonTemplate, 23189763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, 23199763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis QualType()); 23209763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Types.push_back(Spec); 23219763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 23229763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis } 23239763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 23249763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis assert(Spec->isDependentType() && 23259763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis "Non-dependent template-id type must have a canonical type"); 23269763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis return QualType(Spec, 0); 23279763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis} 23289763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 23299763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2330465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 2331465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 23324ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType NamedType) const { 2333e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 2334465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 2335e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2336e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 2337465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2338e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 2339e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2340e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2341789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 2342789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 2343789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 2344465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2345465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 2346789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 2347789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 2348789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2349465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 2350e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 2351465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 2352e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2353e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 2354e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2355075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo BagnaraQualType 23564ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getParenType(QualType InnerType) const { 2357075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara llvm::FoldingSetNodeID ID; 2358075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType::Profile(ID, InnerType); 2359075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2360075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void *InsertPos = 0; 2361075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *T = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2362075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (T) 2363075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2364075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2365075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Canon = InnerType; 2366075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (!Canon.isCanonical()) { 2367075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Canon = getCanonicalType(InnerType); 2368075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *CheckT = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2369075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara assert(!CheckT && "Paren canonical type broken"); 2370075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara (void)CheckT; 2371075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 2372075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2373075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara T = new (*this) ParenType(InnerType, Canon); 2374075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Types.push_back(T); 2375075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenTypes.InsertNode(T, InsertPos); 2376075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2377075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara} 2378075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 23794a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 23804a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 23814a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 23824ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Canon) const { 2383d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 2384d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2385d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 2386d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 23874a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 23884a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 23894a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 23904a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 23914a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 23924a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 2393d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2394d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2395d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 23964a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 2397d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2398d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 23994714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 24004714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 2401d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 2402d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 2403d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 24044a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 2405d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 24064714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 24071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 2408d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2409d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 24101eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 241133500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 241233500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 24134a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 241433500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 24154ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgumentListInfo &Args) const { 241633500955d731c73717af52088b7fc0e7a85681e7John McCall // TODO: avoid this copy 241733500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> ArgCopy; 241833500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0, E = Args.size(); I != E; ++I) 241933500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.push_back(Args[I].getArgument()); 242033500955d731c73717af52088b7fc0e7a85681e7John McCall return getDependentTemplateSpecializationType(Keyword, NNS, Name, 242133500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.size(), 242233500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.data()); 242333500955d731c73717af52088b7fc0e7a85681e7John McCall} 242433500955d731c73717af52088b7fc0e7a85681e7John McCall 242533500955d731c73717af52088b7fc0e7a85681e7John McCallQualType 242633500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 242733500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 242833500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 242933500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 243033500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 24314ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgument *Args) const { 2432aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor assert((!NNS || NNS->isDependent()) && 2433aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor "nested-name-specifier must be dependent"); 24341734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2435789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 243633500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType::Profile(ID, *this, Keyword, NNS, 243733500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args); 2438789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2439789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 244033500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType *T 244133500955d731c73717af52088b7fc0e7a85681e7John McCall = DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 2442789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 2443789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 2444789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 244533500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 244633500955d731c73717af52088b7fc0e7a85681e7John McCall 244733500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword CanonKeyword = Keyword; 244833500955d731c73717af52088b7fc0e7a85681e7John McCall if (Keyword == ETK_None) CanonKeyword = ETK_Typename; 24491734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 245033500955d731c73717af52088b7fc0e7a85681e7John McCall bool AnyNonCanonArgs = false; 245133500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> CanonArgs(NumArgs); 245233500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0; I != NumArgs; ++I) { 245333500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs[I] = getCanonicalTemplateArgument(Args[I]); 245433500955d731c73717af52088b7fc0e7a85681e7John McCall if (!CanonArgs[I].structurallyEquals(Args[I])) 245533500955d731c73717af52088b7fc0e7a85681e7John McCall AnyNonCanonArgs = true; 2456789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 24571734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 245833500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon; 245933500955d731c73717af52088b7fc0e7a85681e7John McCall if (AnyNonCanonArgs || CanonNNS != NNS || CanonKeyword != Keyword) { 246033500955d731c73717af52088b7fc0e7a85681e7John McCall Canon = getDependentTemplateSpecializationType(CanonKeyword, CanonNNS, 246133500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, 246233500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs.data()); 246333500955d731c73717af52088b7fc0e7a85681e7John McCall 246433500955d731c73717af52088b7fc0e7a85681e7John McCall // Find the insert position again. 246533500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 246633500955d731c73717af52088b7fc0e7a85681e7John McCall } 246733500955d731c73717af52088b7fc0e7a85681e7John McCall 246833500955d731c73717af52088b7fc0e7a85681e7John McCall void *Mem = Allocate((sizeof(DependentTemplateSpecializationType) + 246933500955d731c73717af52088b7fc0e7a85681e7John McCall sizeof(TemplateArgument) * NumArgs), 247033500955d731c73717af52088b7fc0e7a85681e7John McCall TypeAlignment); 2471ef99001908e799c388f1363b1e607dad5f5b57d3John McCall T = new (Mem) DependentTemplateSpecializationType(Keyword, NNS, 247233500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args, Canon); 24731734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 247433500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.InsertNode(T, InsertPos); 24751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 24761734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 24771734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2478cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas GregorQualType ASTContext::getPackExpansionType(QualType Pattern, 2479cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) { 24807536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor llvm::FoldingSetNodeID ID; 2481cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor PackExpansionType::Profile(ID, Pattern, NumExpansions); 24827536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 24837536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor assert(Pattern->containsUnexpandedParameterPack() && 24847536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor "Pack expansions must expand one or more parameter packs"); 24857536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void *InsertPos = 0; 24867536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionType *T 24877536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor = PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 24887536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (T) 24897536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 24907536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 24917536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Canon; 24927536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (!Pattern.isCanonical()) { 2493cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Canon = getPackExpansionType(getCanonicalType(Pattern), NumExpansions); 24947536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 24957536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor // Find the insert position again. 24967536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 24977536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 24987536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 2499cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor T = new (*this) PackExpansionType(Pattern, Canon, NumExpansions); 25007536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor Types.push_back(T); 25017536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.InsertNode(T, InsertPos); 25027536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 25037536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor} 25047536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 250588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 250688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 250788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 250888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 25092e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 251088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 251188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2512c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 251354e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 251454e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 251554e14c4db764c0636160d26c5bbf491637c83a76John McCall 251654e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 251754e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 251854e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 251954e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 252054e14c4db764c0636160d26c5bbf491637c83a76John McCall} 252154e14c4db764c0636160d26c5bbf491637c83a76John McCall 252254e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 252388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 252488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 25251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 252688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 252788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 252888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 252988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 253088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 253188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 253288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 253388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2534c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2535c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 25364ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumProtocols) const { 2537c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2538c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2539c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2540c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2541d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2542c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2543c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2544c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2545d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2546c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2547c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2548d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2549c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2550c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 255154e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2552c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2553c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2554c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 25550237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 25560237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 255754e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 255854e14c4db764c0636160d26c5bbf491637c83a76John McCall 255954e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2560c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2561c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 256254e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2563c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2564c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 256554e14c4db764c0636160d26c5bbf491637c83a76John McCall } 256654e14c4db764c0636160d26c5bbf491637c83a76John McCall 256754e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2568c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 256954e14c4db764c0636160d26c5bbf491637c83a76John McCall } 257054e14c4db764c0636160d26c5bbf491637c83a76John McCall 2571c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2572c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2573fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2574c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2575c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 25761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2577c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2578c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2579c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2580d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 258188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2582c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2583c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 25844ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) const { 25854b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2586c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 25871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25884b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2589c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2590c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 25914b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 25921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2593c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 259454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2595c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2596c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 259754e14c4db764c0636160d26c5bbf491637c83a76John McCall 2598c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2599c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 260054e14c4db764c0636160d26c5bbf491637c83a76John McCall } 260154e14c4db764c0636160d26c5bbf491637c83a76John McCall 2602c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2603c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2604c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2605c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 260624fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 260724fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2608c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 260924fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 261024fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 261124fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2612deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// getObjCInterfaceType - Return the unique reference to the type for the 2613deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// specified ObjC interface decl. The list of protocols is optional. 26144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) const { 2615deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor if (Decl->TypeForDecl) 2616deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(Decl->TypeForDecl, 0); 261774c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl 2618deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor // FIXME: redeclarations? 2619deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2620deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2621deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Decl->TypeForDecl = T; 2622deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Types.push_back(T); 2623deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(T, 0); 2624c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2625c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 262672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 262772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 26289752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 26291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 26309752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 26314ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfExprType(Expr *tofExpr) const { 2632dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2633b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2634b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2635b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 26361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2637b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2638b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2639b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2640b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2641b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2642b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 26436b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2644b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 2645b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2646b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor else { 2647b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 26486b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 26496b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2650b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2651b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2652b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2653b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2654dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 26556b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2656dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 26579752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 26589752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2659d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2660d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 26619752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 26629752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 26639752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 26641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 26659752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 26664ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfType(QualType tofType) const { 2667f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 26686b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 26699752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 26709752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2671d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2672d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 267360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 267460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 26754ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType getDecltypeForExpr(const Expr *e, const ASTContext &Context) { 2676a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2677a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 26781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 267960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 268060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 268160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 268260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 268360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 268460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 268560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 268660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 268760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 268860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 268960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 269060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 269160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 269260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 269360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 26941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 269560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 26961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 269860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 26997eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall if (e->isLValue()) 270060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 27011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 270260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 270360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 270460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2705395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2706395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2707395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 27081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2709395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 27104ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getDecltypeType(Expr *e) const { 2711dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 27129d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (e->isTypeDependent()) { 27139d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 27149d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 27151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27169d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 27179d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 27189d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 27199d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 27209d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 27219d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 27226b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 27239d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 27249d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 27259d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor else { 27269d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 27276b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 27289d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 27299d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 27309d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 27319d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2732dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 27336b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2734dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2735395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2736395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2737395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2738395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 2739483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith/// getAutoType - We only unique auto types after they've been deduced. 274034b41d939a1328f484511c6002ba2456db879a29Richard SmithQualType ASTContext::getAutoType(QualType DeducedType) const { 2741483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith void *InsertPos = 0; 2742483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (!DeducedType.isNull()) { 2743483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith // Look in the folding set for an existing type. 2744483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith llvm::FoldingSetNodeID ID; 2745483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType::Profile(ID, DeducedType); 2746483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (AutoType *AT = AutoTypes.FindNodeOrInsertPos(ID, InsertPos)) 2747483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 2748483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith } 2749483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith 2750483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType *AT = new (*this, TypeAlignment) AutoType(DeducedType); 2751483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith Types.push_back(AT); 2752483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (InsertPos) 2753483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoTypes.InsertNode(AT, InsertPos); 2754483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 275534b41d939a1328f484511c6002ba2456db879a29Richard Smith} 275634b41d939a1328f484511c6002ba2456db879a29Richard Smith 2757ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith/// getAutoDeductType - Get type pattern for deducing against 'auto'. 2758ad762fcdc16b9e4705b12b09d92b8c026212b906Richard SmithQualType ASTContext::getAutoDeductType() const { 2759ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith if (AutoDeductTy.isNull()) 2760ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith AutoDeductTy = getAutoType(QualType()); 2761ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert(!AutoDeductTy.isNull() && "can't build 'auto' pattern"); 2762ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith return AutoDeductTy; 2763ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith} 2764ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 2765ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith/// getAutoRRefDeductType - Get type pattern for deducing against 'auto &&'. 2766ad762fcdc16b9e4705b12b09d92b8c026212b906Richard SmithQualType ASTContext::getAutoRRefDeductType() const { 2767ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith if (AutoRRefDeductTy.isNull()) 2768ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith AutoRRefDeductTy = getRValueReferenceType(getAutoDeductType()); 2769ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert(!AutoRRefDeductTy.isNull() && "can't build 'auto &&' pattern"); 2770ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith return AutoRRefDeductTy; 2771ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith} 2772ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 27735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 27745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 27754ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTagDeclType(const TagDecl *Decl) const { 2776d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2777e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2778e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2779e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 27805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 27815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 27821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 27831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 27841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 2785a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 2786b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 27875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 27885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 278964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 279064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 279164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 279264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 279364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 279464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 279564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 279664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 279764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 279864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 279964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 280064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 280164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 280264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 28038b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 28048b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 28058b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 2806b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 28078b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 28088b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 2809e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2810e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 2811e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2812e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 28134ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCanQualType ASTContext::getCanonicalParamType(QualType T) const { 281454e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 281554e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 281654e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 2817745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = getVariableArrayDecayedType(T); 281854e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 281954e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 282054e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 282154e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 282254e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 282354e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 282454e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 282554e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 282654e14c4db764c0636160d26c5bbf491637c83a76John McCall } 282754e14c4db764c0636160d26c5bbf491637c83a76John McCall 282854e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 282954e14c4db764c0636160d26c5bbf491637c83a76John McCall} 283054e14c4db764c0636160d26c5bbf491637c83a76John McCall 2831c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 283262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallQualType ASTContext::getUnqualifiedArrayType(QualType type, 283362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers &quals) { 283462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall SplitQualType splitType = type.getSplitUnqualifiedType(); 283562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 283662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // FIXME: getSplitUnqualifiedType() actually walks all the way to 283762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // the unqualified desugared type and then drops it on the floor. 283862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // We then have to strip that sugar back off with 283962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // getUnqualifiedDesugaredType(), which is silly. 284062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall const ArrayType *AT = 284162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall dyn_cast<ArrayType>(splitType.first->getUnqualifiedDesugaredType()); 284262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 284362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If we don't have an array, just use the results in splitType. 28449dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 284562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals = splitType.second; 284662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(splitType.first, 0); 284728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 284828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 284962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, recurse on the array's element type. 285062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType elementType = AT->getElementType(); 285162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType unqualElementType = getUnqualifiedArrayType(elementType, quals); 285262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 285362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If that didn't change the element type, AT has no qualifiers, so we 285462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // can just use the results in splitType. 285562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (elementType == unqualElementType) { 285662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(quals.empty()); // from the recursive call 285762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals = splitType.second; 285862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(splitType.first, 0); 285962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 286062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 286162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, add in the qualifiers from the outermost type, then 286262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // build the type back up. 286362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals.addConsistentQualifiers(splitType.second); 286428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 28659dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 286662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getConstantArrayType(unqualElementType, CAT->getSize(), 286728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 286828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 286928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 28709dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 287162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getIncompleteArrayType(unqualElementType, IAT->getSizeModifier(), 0); 287228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 287328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 28749dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 287562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getVariableArrayType(unqualElementType, 28763fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 28779dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 28789dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 28799dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 28809dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 28819dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 28829dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 288362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getDependentSizedArrayType(unqualElementType, DSAT->getSizeExpr(), 288428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 288528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 288628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 288728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 28885a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// UnwrapSimilarPointerTypes - If T1 and T2 are pointer types that 28895a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// may be similar (C++ 4.4), replaces T1 and T2 with the type that 28905a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// they point to and return true. If T1 and T2 aren't pointer types 28915a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// or pointer-to-member types, or if they are not similar at this 28925a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// level, returns false and leaves T1 and T2 unchanged. Top-level 28935a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// qualifiers on T1 and T2 are ignored. This function will typically 28945a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// be called in a loop that successively "unwraps" pointer and 28955a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// pointer-to-member types to compare them at each level. 28965a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregorbool ASTContext::UnwrapSimilarPointerTypes(QualType &T1, QualType &T2) { 28975a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const PointerType *T1PtrType = T1->getAs<PointerType>(), 28985a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2PtrType = T2->getAs<PointerType>(); 28995a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1PtrType && T2PtrType) { 29005a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1PtrType->getPointeeType(); 29015a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2PtrType->getPointeeType(); 29025a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 29035a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 29045a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 29055a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const MemberPointerType *T1MPType = T1->getAs<MemberPointerType>(), 29065a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2MPType = T2->getAs<MemberPointerType>(); 29075a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1MPType && T2MPType && 29085a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor hasSameUnqualifiedType(QualType(T1MPType->getClass(), 0), 29095a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor QualType(T2MPType->getClass(), 0))) { 29105a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1MPType->getPointeeType(); 29115a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2MPType->getPointeeType(); 29125a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 29135a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 29145a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 29155a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (getLangOptions().ObjC1) { 29165a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const ObjCObjectPointerType *T1OPType = T1->getAs<ObjCObjectPointerType>(), 29175a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2OPType = T2->getAs<ObjCObjectPointerType>(); 29185a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1OPType && T2OPType) { 29195a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1OPType->getPointeeType(); 29205a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2OPType->getPointeeType(); 29215a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 29225a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 29235a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 29245a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 29255a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor // FIXME: Block pointers, too? 29265a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 29275a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return false; 29285a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor} 29295a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 29304ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadDeclarationNameInfo 29314ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getNameForTemplate(TemplateName Name, 29324ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation NameLoc) const { 293380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (TemplateDecl *TD = Name.getAsTemplateDecl()) 29342577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 29352577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(TD->getDeclName(), NameLoc); 29362577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 293780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DependentTemplateName *DTN = Name.getAsDependentTemplateName()) { 29382577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName DName; 293980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 29402577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getIdentifier(DTN->getIdentifier()); 29412577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc); 294280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 29432577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getCXXOperatorName(DTN->getOperator()); 29442577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: FIXME: source locations? 29452577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc DNLoc; 29462577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.BeginOpNameLoc = SourceLocation().getRawEncoding(); 29472577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.EndOpNameLoc = SourceLocation().getRawEncoding(); 29482577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc, DNLoc); 294980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 295080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 295180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 29520bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 29530bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(Storage); 29542577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 29552577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo((*Storage->begin())->getDeclName(), NameLoc); 295680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 295780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 29584ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) const { 29593e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateDecl *Template = Name.getAsTemplateDecl()) { 29603e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTemplateParmDecl *TTP 29613e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = dyn_cast<TemplateTemplateParmDecl>(Template)) 29623e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Template = getCanonicalTemplateTemplateParmDecl(TTP); 29633e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 29643e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // The canonical template name is the canonical template declaration. 296597fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 29663e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 296725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 29681aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor if (SubstTemplateTemplateParmPackStorage *SubstPack 29691aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = Name.getAsSubstTemplateTemplateParmPack()) { 29701aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor TemplateTemplateParmDecl *CanonParam 29711aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = getCanonicalTemplateTemplateParmDecl(SubstPack->getParameterPack()); 29721aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor TemplateArgument CanonArgPack 29731aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = getCanonicalTemplateArgument(SubstPack->getArgumentPack()); 29741aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor return getSubstTemplateTemplateParmPack(CanonParam, CanonArgPack); 29751aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 29761aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 29770bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(!Name.getAsOverloadedTemplate()); 29781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 297925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 298025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor assert(DTN && "Non-dependent template names must refer to template decls."); 298125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor return DTN->CanonicalTemplateName; 298225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 298325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 2984db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 2985db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 2986db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 2987db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 2988db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 2989db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 29901eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 29914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) const { 29921275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 29931275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 29941275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 29951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29961275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 29971275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 29981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29991275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 3000833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 30011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3002788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 3003788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 3004a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 3005a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor case TemplateArgument::TemplateExpansion: 3006a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor return TemplateArgument(getCanonicalTemplateName( 3007a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor Arg.getAsTemplateOrTemplatePattern()), 30082be29f423acad3bbe39099a78db2805acb5bdf17Douglas Gregor Arg.getNumTemplateExpansions()); 3009a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 30101275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 3011833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 30121275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 30131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30141275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 3015833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 30161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30171275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 301887dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor if (Arg.pack_size() == 0) 301987dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor return Arg; 302087dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor 3021910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgument *CanonArgs 3022910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor = new (*this) TemplateArgument[Arg.pack_size()]; 30231275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 30241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 30251275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 30261275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 30271275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 30281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3029910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor return TemplateArgument(CanonArgs, Arg.pack_size()); 30301275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 30311275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 30321275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 30331275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 30341275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 30351275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 30361275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 30371275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 3038d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 30394ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) const { 30401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 3041d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 3042d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3043d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 3044d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 3045d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 30461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 3047d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 3048d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 3049d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3050d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 3051d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 3052d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 305314aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 305414aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespace()->getOriginalNamespace()); 305514aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor 305614aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor case NestedNameSpecifier::NamespaceAlias: 305714aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 305814aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // this namespace and no prefix. 305914aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 306014aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespaceAlias()->getNamespace() 306114aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor ->getOriginalNamespace()); 3062d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3063d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 3064d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 3065d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 3066264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 3067264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // If we have some kind of dependent-named type (e.g., "typename T::type"), 3068264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // break it apart into its prefix and identifier, then reconsititute those 3069264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // as the canonical nested-name-specifier. This is required to canonicalize 3070264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // a dependent nested-name-specifier involving typedefs of dependent-name 3071264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // types, e.g., 3072264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T::type T1; 3073264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T1::type T2; 3074264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentNameType *DNT = T->getAs<DependentNameType>()) { 3075264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 3076264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DNT->getQualifier()); 3077264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor return NestedNameSpecifier::Create(*this, Prefix, 3078264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor const_cast<IdentifierInfo *>(DNT->getIdentifier())); 3079264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 3080264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 3081643f84353b3b7bbf9b73bcbc7da0ef8a39a5ca99Douglas Gregor // Do the same thing as above, but with dependent-named specializations. 3082264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentTemplateSpecializationType *DTST 3083264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = T->getAs<DependentTemplateSpecializationType>()) { 3084264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 3085264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DTST->getQualifier()); 3086aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor 3087aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor T = getDependentTemplateSpecializationType(DTST->getKeyword(), 3088aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor Prefix, DTST->getIdentifier(), 3089aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor DTST->getNumArgs(), 3090aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor DTST->getArgs()); 3091264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor T = getCanonicalType(T); 3092264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 3093264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 30943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return NestedNameSpecifier::Create(*this, 0, false, 30953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const_cast<Type*>(T.getTypePtr())); 3096d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3097d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3098d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 3099d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 3100d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 3101d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3102d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3103d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 3104d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 3105d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 3106d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3107c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 31084ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadconst ArrayType *ASTContext::getAsArrayType(QualType T) const { 3109c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 3110a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 3111c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 3112c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 3113c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 3114c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 31151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 31173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isa<ArrayType>(T.getCanonicalType())) 3118c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 31191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 3121c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 3122c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 31231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3124c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 3125c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 312650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 31270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 31283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = T.getSplitDesugaredType(); 31293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs = split.second; 31301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3131c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 31323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *ATy = dyn_cast<ArrayType>(split.first); 31333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ATy == 0 || qs.empty()) 3134c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 31351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3136c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 3137c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 31383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), qs); 31391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3140c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 3141c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 3142c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 31430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 3144c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 3145c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 3146c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 31470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 3148898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 31491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 3150898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 3151898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 31521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 31533fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall DSAT->getSizeExpr(), 3154898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 31550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 31567e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 31571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3158c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 31597e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 31603fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 3161c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 31620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 31637e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 316477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 316577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 3166e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 3167e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 3168e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 3169e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 3170e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 3171e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 31724ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getArrayDecayedType(QualType Ty) const { 3173c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 3174c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 3175c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 3176c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 3177c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 3178c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 31791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3180c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 3181e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 3182e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 31830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 3184e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 3185e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 31863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(const ArrayType *array) const { 31873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getBaseElementType(array->getElementType()); 31885e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 31895e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 31903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(QualType type) const { 31913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs; 31923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall while (true) { 31933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = type.getSplitDesugaredType(); 31943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *array = split.first->getAsArrayTypeUnsafe(); 31953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!array) break; 31961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall type = array->getElementType(); 31983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall qs.addConsistentQualifiers(split.second); 31993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 32001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiedType(type, qs); 32026183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 32036183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 32040de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 32051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 32060de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 32070de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 32080de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 32090de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 32100de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 32110de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 32120de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 32130de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 32140de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 32155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 32165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 3217a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 3218183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 32195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 3220a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 3221183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 3222183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 3223a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 32245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 32255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 32265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 32275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 32285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 32295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 32301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 32311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 3232716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 3233716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 32341361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 32351361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 32361361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 32371361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 32381361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 3239716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 3240f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 3241f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 3242f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 3243f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 3244f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 32451361b11066239ea15764a2a844405352d87296b3Chris Lattner 32461361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 32471361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 32481361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 32491361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 32501361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 32511361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 32525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 32535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 32545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 32557cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 32567cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 32577cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 32581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 32594ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) const { 3260a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 3261a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 32621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3263a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 3264fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 3265a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 3266fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 3267fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 32685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 32695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3270f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 3271f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 3272f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 3273f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCallunsigned ASTContext::getIntegerRank(const Type *T) const { 3274467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 3275f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const EnumType* ET = dyn_cast<EnumType>(T)) 3276842aef8d942a880eeb9535d40de31a86838264cbJohn McCall T = ET->getDecl()->getPromotionType().getTypePtr(); 3277f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 32783f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (T->isSpecificBuiltinType(BuiltinType::WChar_S) || 32793f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner T->isSpecificBuiltinType(BuiltinType::WChar_U)) 3280a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 3281a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 3282f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 3283f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 3284f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3285f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 3286f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 3287f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3288f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 32897cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 32907cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 3291f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 32927cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 32937cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 32947cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 32957cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 3296f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 32977cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 32987cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 3299f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 33007cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 33017cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 3302f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 33037cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 33047cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 3305f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 33067cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 33077cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 3308f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 33092df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 33102df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 33112df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 3312f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 3313f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 3314f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 331504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 331604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 331704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 331804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 331904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 33204ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::isPromotableBitField(Expr *E) const { 3321ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor if (E->isTypeDependent() || E->isValueDependent()) 3322ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor return QualType(); 3323ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor 332404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 332504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 332604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 332704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 332804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 332904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 333004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 333104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 333204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 333304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 333404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 333504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 333604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 333704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 333804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 333904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 334004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 334104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 334204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 334304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 334404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 334504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 334604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 334704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 334804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 3349a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 3350a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 3351a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 33524ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPromotedIntegerType(QualType Promotable) const { 3353a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 3354a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 3355842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 3356842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 3357a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 3358a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 3359a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 3360a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 3361a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 3362a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 3363a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 3364a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 33651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 33667cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 33671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 33684ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) const { 3369f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *LHSC = getCanonicalType(LHS).getTypePtr(); 3370f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *RHSC = getCanonicalType(RHS).getTypePtr(); 33717cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 33721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3373f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 3374f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 33751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33767cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 33777cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 33781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33797cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 33807cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 33817cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 33827cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 33831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33847cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 33857cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 33867cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 33877cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 33887cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 33891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33907cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 33917cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 33921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 33937cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 33947cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 33957cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 33967cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 33977cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 33987cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 33991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34007cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 34017cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 34021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 34037cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 34045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 340571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 340679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 3407ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo BagnaraCreateRecordDecl(const ASTContext &Ctx, RecordDecl::TagKind TK, 3408ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara DeclContext *DC, IdentifierInfo *Id) { 3409ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation Loc; 341079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 3411ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return CXXRecordDecl::Create(Ctx, TK, DC, Loc, Loc, Id); 341279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 3413ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return RecordDecl::Create(Ctx, TK, DC, Loc, Loc, Id); 341479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 3415ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara 34161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 34174ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getCFConstantStringType() const { 341871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 34191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 3420ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, 342179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 34225cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 342379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 3424f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 34251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 342671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 34270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 3428f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 3429f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 343071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 34310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 343271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 34331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 34341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 343544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 343644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 34371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 3438ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 343944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 3440a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 34411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 34424afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 34432888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 344417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 344544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 344644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 3447838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 344871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 34491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 345071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 34518467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 3452b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3453319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 34546217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3455319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 3456319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 3457319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3458319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 34592bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian// getNSConstantStringType - Return the type used for constant NSStrings. 34604ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getNSConstantStringType() const { 34612bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian if (!NSConstantStringTypeDecl) { 34622bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = 3463ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, 34642bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian &Idents.get("__builtin_NSString")); 34652bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->startDefinition(); 34662bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 34672bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType FieldTypes[3]; 34682bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 34692bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const int *isa; 34702bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[0] = getPointerType(IntTy.withConst()); 34712bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const char *str; 34722bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[1] = getPointerType(CharTy.withConst()); 34732bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // unsigned int length; 34742bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[2] = UnsignedIntTy; 34752bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 34762bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // Create fields 34772bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian for (unsigned i = 0; i < 3; ++i) { 34782bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldDecl *Field = FieldDecl::Create(*this, NSConstantStringTypeDecl, 3479ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 34802bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian SourceLocation(), 0, 34812bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[i], /*TInfo=*/0, 34822bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*BitWidth=*/0, 34832bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*Mutable=*/false); 34842888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 34852bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->addDecl(Field); 34862bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 34872bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 34882bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->completeDefinition(); 34892bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 34902bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 34912bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return getTagDeclType(NSConstantStringTypeDecl); 34922bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 34932bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 34942bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanianvoid ASTContext::setNSConstantStringType(QualType T) { 34952bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian const RecordType *Rec = T->getAs<RecordType>(); 34962bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian assert(Rec && "Invalid NSConstantStringType"); 34972bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = Rec->getDecl(); 34982bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 34992bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 35004ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCFastEnumerationStateType() const { 3501bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 350244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 3503ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, 350479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__objcFastEnumerationState")); 35055cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall ObjCFastEnumerationStateTypeDecl->startDefinition(); 35061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3507bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 3508bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 3509de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff getPointerType(ObjCIdTypedefType), 3510bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 3511bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 3512bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 3513bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 35141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 351544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 35161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, 35171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCFastEnumerationStateTypeDecl, 3518ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 35191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 3520a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 35211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 35224afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 35232888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 352417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ObjCFastEnumerationStateTypeDecl->addDecl(Field); 352544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 35261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3527838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(); 3528bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 35291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3530bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 3531bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 3532bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 35334ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorType() const { 3534adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 3535adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3536adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3537adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3538adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 3539ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, 354079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 35415cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3542adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3543adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3544adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3545adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3546adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3547adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3548adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3549adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 3550083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 3551adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3552adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3553adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 3554ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3555adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 3556adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3557a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3558adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 3559adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*Mutable=*/false); 35602888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3561adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3562adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3563adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3564838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3565adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3566adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 3567adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3568adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3569adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3570adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3571adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stumpvoid ASTContext::setBlockDescriptorType(QualType T) { 3572adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3573adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3574adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = Rec->getDecl(); 3575adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3576adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 35774ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorExtendedType() const { 3578083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 3579083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3580083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3581083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 3582083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 3583ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, 358479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 35855cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3586083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3587083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 3588083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3589083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3590083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 3591083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 3592083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3593083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3594083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 3595083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 3596083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 3597083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 3598083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 3599083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3600083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3601083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 3602ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3603083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 3604083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 3605a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3606083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 3607083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*Mutable=*/false); 36082888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3609083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 3610083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 3611083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3612838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3613083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3614083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 3615083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3616083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3617083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3618083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3619083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stumpvoid ASTContext::setBlockDescriptorExtendedType(QualType T) { 3620083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3621083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3622083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = Rec->getDecl(); 3623083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3624083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 36254ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::BlockRequiresCopying(QualType Ty) const { 3626af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isBlockPointerType()) 3627af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3628af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (isObjCNSObjectType(Ty)) 3629af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3630af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isObjCObjectPointerType()) 3631af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3632e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (getLangOptions().CPlusPlus) { 3633e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (const RecordType *RT = Ty->getAs<RecordType>()) { 3634e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl()); 3635e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian return RD->hasConstCopyConstructor(*this); 3636e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian 3637e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3638e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3639af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3640af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3641af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 36424ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 36434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::BuildByRefType(llvm::StringRef DeclName, QualType Ty) const { 3644af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3645ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3646af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3647ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3648ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 3649a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__copy_helper; // as needed 3650a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__destroy_help // as needed 3651af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3652ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3653ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3654af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3655af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3656af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 3657f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3658f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3659f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3660af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3661ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, &Idents.get(Name.str())); 3662af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3663af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3664af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3665af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3666af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3667af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3668af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3669af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3670af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3671af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3672af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3673af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3674af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 36754087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef FieldNames[] = { 3676af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3677af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3678af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3679af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3680af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3681af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3682af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3683af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3684af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3685af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3686af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3687af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3688af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3689ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 3690af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3691a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3692af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /*BitWidth=*/0, /*Mutable=*/false); 36932888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3694af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3695af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3696af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3697838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3698af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3699af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3700ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3701ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3702319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setObjCFastEnumerationStateType(QualType T) { 37036217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3704319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid ObjCFAstEnumerationStateType"); 3705319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCFastEnumerationStateTypeDecl = Rec->getDecl(); 3706319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3707319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 3708e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3709e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 37102d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3711e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3712bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3713bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 37141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 371585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 371685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 371785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3718a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 371933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 37204ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) const { 3721199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 37221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 372333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 37242ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor if (sz.isPositive() && type->isIntegralOrEnumerationType()) 3725199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 372633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 372733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3728199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3729aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3730199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3731199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3732199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3733199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3734199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 373533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 373633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 37376b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall/// getObjCEncodingForBlock - Return the encoded type for this block 37385e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 37396b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCallstd::string ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr) const { 37406b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall std::string S; 37416b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 37425e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 37435e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 37445e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 37455e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 3746c71a4915ca216847599d03cab4ed1c5086b0eb43John McCall getObjCEncodingForType(BlockTy->getAs<FunctionType>()->getResultType(), S); 37475e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 37485e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 37495e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 37505e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3751199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3752199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 37536f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 37545e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 37555e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3756aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3757199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 37585e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 37595e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 37605e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3761199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 37625e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 37635e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 37645e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 37655e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 37665e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 37675e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 37685e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 37695e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 37705e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 37715e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 37725e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 37735e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 37745e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 37755389f48b24937ad7b4093307128b3cbf25235654David Chisnall // elements. 37765389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (!isa<ConstantArrayType>(AT)) 37775389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 37785389f48b24937ad7b4093307128b3cbf25235654David Chisnall } else if (PType->isFunctionType()) 37795389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 37805389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(PType, S); 37815389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 37825389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += getObjCEncodingTypeSize(PType); 37835389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 37846b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 37856b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall return S; 37865389f48b24937ad7b4093307128b3cbf25235654David Chisnall} 37875389f48b24937ad7b4093307128b3cbf25235654David Chisnall 37885389f48b24937ad7b4093307128b3cbf25235654David Chisnallvoid ASTContext::getObjCEncodingForFunctionDecl(const FunctionDecl *Decl, 37895389f48b24937ad7b4093307128b3cbf25235654David Chisnall std::string& S) { 37905389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Encode result type. 37915389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(Decl->getResultType(), S); 37925389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits ParmOffset; 37935389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Compute size of all parameters. 37945389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 37955389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 37965389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = (*PI)->getType(); 37975389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits sz = getObjCEncodingTypeSize(PType); 37985389f48b24937ad7b4093307128b3cbf25235654David Chisnall assert (sz.isPositive() && 37995389f48b24937ad7b4093307128b3cbf25235654David Chisnall "getObjCEncodingForMethodDecl - Incomplete param type"); 38005389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += sz; 38015389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 38025389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 38035389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset = CharUnits::Zero(); 38045389f48b24937ad7b4093307128b3cbf25235654David Chisnall 38055389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Argument types. 38065389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 38075389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 38085389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmVarDecl *PVDecl = *PI; 38095389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = PVDecl->getOriginalType(); 38105389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (const ArrayType *AT = 38115389f48b24937ad7b4093307128b3cbf25235654David Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 38125389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Use array's original type only if it has known number of 38135e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 38145e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 38155e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 38165e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 38175e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 38185e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 3819199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3820aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 38215e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 38225e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 38235e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 3824a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 382533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 38261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 38274ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 3828c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3829ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 3830a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 383133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 38320d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 383333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 383433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 383533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 383633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 3837199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 383833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 383933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 3840199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 384189951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 38427732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 384389951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 3844aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3845199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 3846199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 384733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 384833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 3849199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 385033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 3851199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 38521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 385333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 385433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 385589951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 38567732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 385789951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 38581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 38594306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 3860ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 3861ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 3862ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 3863bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 3864ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3865ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 3866ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3867ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 386833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 38694306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 38700d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 3871199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3872aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 387333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 387433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 387533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 3876c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 387783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 3878c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 3879c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 38801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 38811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 38821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 38831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 38841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 388583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 388683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 388783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 388883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 388983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 389083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 389183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 389283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 389383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 389483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 389583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 389683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 389783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 389883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 389983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 390083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 39011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 3902c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 39034ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 3904c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 3905c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 3906c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 3907c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3908c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 3909c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 39101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 3911c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 3912c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 391317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 3914653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3915c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3916c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3917c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3918c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3919c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3920c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3921c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3922c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3923c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3924c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 392561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 3926c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 392717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 3928653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3929c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3930c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3931c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3932c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3933c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3934c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3935c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3936c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 39371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3938c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3939c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3940c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3941c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3942c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 3943c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3944c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 3945090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 3946090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 39471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 3948090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 3949090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 3950c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3951c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 3952c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 3953c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3954c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 3955c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 3956c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 39571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 3958c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3959c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3960c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3961c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 3962c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 3963c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 3964c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 3965c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3966090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 3967090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 39681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3969c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 3970c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 3971077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 3972c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3973c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3974c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 3975c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 3976077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 3977c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3978c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3979c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 3980c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 3981c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 398239f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 3983c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3984c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3985c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 3986c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 3987c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3988a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 39891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 39901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 3991a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 3992a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 3993a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 39948e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 3995183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 39964ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::ULong && getIntWidth(PointeeTy) == 32) 3997a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 39981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 39994ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::Long && getIntWidth(PointeeTy) == 32) 4000a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 4001a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4002a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4003a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 4004a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 40057d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 40064ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FieldDecl *Field) const { 400782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 400882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 400982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 401082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 40111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 40125b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 401382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 401482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 401564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnallstatic char ObjCEncodingForPrimitiveKind(const ASTContext *C, QualType T) { 401664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall switch (T->getAs<BuiltinType>()->getKind()) { 401764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall default: assert(0 && "Unhandled builtin type kind"); 401864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Void: return 'v'; 401964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Bool: return 'B'; 402064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_U: 402164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UChar: return 'C'; 402264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UShort: return 'S'; 402364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt: return 'I'; 402464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULong: 40254ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'L' : 'Q'; 402664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt128: return 'T'; 402764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULongLong: return 'Q'; 402864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_S: 402964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::SChar: return 'c'; 403064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Short: return 's'; 40313f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 40323f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 403364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int: return 'i'; 403464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Long: 40354ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'l' : 'q'; 403664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongLong: return 'q'; 403764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int128: return 't'; 403864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Float: return 'f'; 403964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Double: return 'd'; 40403a0be84b2aed8563150cdbd976a98838afa261ebDaniel Dunbar case BuiltinType::LongDouble: return 'D'; 404164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 404264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall} 404364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall 40444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic void EncodeBitField(const ASTContext *Ctx, std::string& S, 404564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall QualType T, const FieldDecl *FD) { 40468b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 40478b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 40488b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 404964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The NeXT runtime encodes bit fields as b followed by the number of bits. 405064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The GNU runtime requires more information; bitfields are encoded as b, 405164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // then the offset (in bits) of the first element, then the type of the 405264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // bitfield, then the size in bits. For example, in this structure: 405364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // 405464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // struct 405564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // { 405664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int integer; 405764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int flags:2; 405864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // }; 405964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // On a 32-bit system, the encoding for flags would be b2 for the NeXT 406064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // runtime, but b32i2 for the GNU runtime. The reason for this extra 406164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // information is not especially sensible, but we're stuck with it for 406264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // compatibility with GCC, although providing it breaks anything that 406364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // actually uses runtime introspection and wants to work on both runtimes... 406464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (!Ctx->getLangOptions().NeXTRuntime) { 406564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const RecordDecl *RD = FD->getParent(); 406664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const ASTRecordLayout &RL = Ctx->getASTRecordLayout(RD); 406764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // FIXME: This same linear search is also used in ExprConstant - it might 406864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // be better if the FieldDecl stored its offset. We'd be increasing the 406964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // size of the object slightly, but saving some time every time it is used. 407064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned i = 0; 407164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall for (RecordDecl::field_iterator Field = RD->field_begin(), 407264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall FieldEnd = RD->field_end(); 407364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall Field != FieldEnd; (void)++Field, ++i) { 407464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (*Field == FD) 407564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall break; 407664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 407764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += llvm::utostr(RL.getFieldOffset(i)); 4078c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall if (T->isEnumeralType()) 4079c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall S += 'i'; 4080c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall else 40814ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad S += ObjCEncodingForPrimitiveKind(Ctx, T); 408264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 408364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 40848b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 40858b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 40868b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 408701eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 408882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 408982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 409082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 4091153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 4092090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 40934ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool EncodingProperty) const { 409464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (T->getAs<BuiltinType>()) { 4095ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 409664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return EncodeBitField(this, S, T, FD); 409764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(this, T); 4098ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4099ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 41001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4101183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 4102c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 41031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 4104c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 4105ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4106ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 410760bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 4108aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 4109aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 41106217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 41118d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 41128d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 41138d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 41148d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 4115aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 4116aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 4117aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 4118aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 4119aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 4120a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 4121a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 4122a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 4123a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 41241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 41258e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 4126a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 4127a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4128a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4129a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 41309fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 4131a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 41326217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 41336217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 4134a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 4135a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4136a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4137a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4138a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4139a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 4140a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 4141a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 4142a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 41430237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer if (llvm::StringRef(S).endswith("nr")) 41440237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 4145a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 41461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 414785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 414885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 414985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 4150e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 415185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 415285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 415385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 41546217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 41559533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 41569533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 41579533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 41589533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 41599533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 41609533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 41619533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 41629533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 41639533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 41649533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 41659533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 416685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 416785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 4168a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 4169a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 41701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 417143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 4172ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4173ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4174aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 4175ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 4176ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 4177ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 4178559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (isa<IncompleteArrayType>(AT)) { 4179559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 4180559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 4181559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 41821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4183559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4184559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 4185559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 41861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4187559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 4188559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += llvm::utostr(CAT->getSize().getZExtValue()); 4189559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson else { 4190559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 4191559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson assert(isa<VariableArrayType>(AT) && "Unknown array type!"); 4192559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 4193559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 41941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4196559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4197559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 4198559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 4199ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4200ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4202183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 4203c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 4204ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4205ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42076217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 420882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 4209d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 4210502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 4211502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 4212502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 42136fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 42146fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 42156fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 42166fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 42176fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 4218910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.data(), 4219910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.size(), 42206fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian (*this).PrintingPolicy); 42216fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 42226fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 42236fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 4224502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 4225502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 4226502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 42270d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 42287d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 422917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 423017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 423144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor Field != FieldEnd; ++Field) { 423243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (FD) { 4233d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 423444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor S += Field->getNameAsString(); 4235d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 4236d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 42371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4238d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar // Special case bit-fields. 423943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (Field->isBitField()) { 42401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 424143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian (*Field)); 4242d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } else { 4243a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType qt = Field->getType(); 4244a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(qt); 42451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(qt, S, false, true, 424643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 4247d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 42487d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 42496de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 4250d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 4251ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4252ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4253e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4254ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 42558b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 425664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall EncodeBitField(this, S, T, FD); 42578b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 42588b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 4259ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4260ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4262ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 426321a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 4264ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4265ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4267c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 4268c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 4269c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 4270c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 42710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 427243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 42730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 427443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 427543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 427643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 427743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 42782c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian llvm::SmallVector<ObjCIvarDecl*, 32> Ivars; 42792c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(OI, true, Ivars); 42802c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (unsigned i = 0, e = Ivars.size(); i != e; ++i) { 42812c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian FieldDecl *Field = cast<FieldDecl>(Ivars[i]); 42822c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (Field->isBitField()) 42832c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, Field); 428443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 42852c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, FD); 428643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 428743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 4288ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 428943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 42901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4291183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 429214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 429314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 429414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4295ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 429727d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 429827d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 429927d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 430027d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 430114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 430214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4303ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 43041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4305ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 43061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 430714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 430814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 430914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 431014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 431114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 431214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 431367ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 431467ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 431514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 431614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 431714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 431814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 431914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 432014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 432114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4322ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 43231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4324ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 4325ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 4326ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 4327ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 43281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 4329ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 4330ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 43311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 43321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 4333ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 433414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 433514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4336ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 4337ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 433827d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 4339ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 434027d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 434167ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 434267ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 4343ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 4344ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 4345ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 43461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4347ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 4348ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4349ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4350ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 43511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4352532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 4353532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 4354532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 4355532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 4356e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4357e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian if (T->isVectorType()) { 4358e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // This matches gcc's encoding, even though technically it is 4359e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // insufficient. 4360e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // FIXME. We should do a better job than gcc. 4361e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian return; 4362e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian } 4363e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4364ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 436585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 436685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 43671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 4368ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 4369ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 4370ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 4371ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 4372ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 4373ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 4374ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 4375ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 4376ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 4377ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 4378ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 4379ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 4380ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 4381ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 4382ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 4383ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 4384b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 43851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4386b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 4387b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 4388b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 4389ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCIdType(QualType T) { 4390de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = T; 43917e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 43927e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 4393ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCSelType(QualType T) { 439413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = T; 4395b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 4396b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 4397ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 4398a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 4399390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 4400390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 4401ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCClassType(QualType T) { 4402de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = T; 44038baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 44048baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 4405a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 44061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 44072198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 44081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4409a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 44102198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 44112198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 44120bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 44130bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 44144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 44154ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 44164ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad UnresolvedSetIterator End) const { 44170bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 44180bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 44197532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 44200bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 44210bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 44220bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 44230bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 44240bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 4425eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 44260bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 44270bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 44280bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 44290bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 44300bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 44317532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 44327532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 44330bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 44347532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 44357532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4436d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 4437d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 44384ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 44394ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 44404ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool TemplateKeyword, 44414ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad TemplateDecl *Template) const { 44420f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor assert(NNS && "Missing nested-name-specifier in qualified template name"); 44430f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor 4444789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 4445d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 4446d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 44471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4448d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 4449d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 44500bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4451d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 4452d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 4453d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 4454d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 44551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4456d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 4457d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 4458d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 44597532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 44607532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 44614ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 44624ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 44634ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const IdentifierInfo *Name) const { 44641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 44653b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 44667532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 44677532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 44687532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 44697532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 44707532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 44717532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 44727532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 44737532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 44747532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 44757532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 44767532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 44777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 44787532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 44797532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 44807532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 44817532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 44827532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 4483789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 4484789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4485789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 4486789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 44877532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 44887532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 44897532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 44907532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 44917532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 44927532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4493ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 4494ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 4495ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 4496ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 44974ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad OverloadedOperatorKind Operator) const { 4498ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 4499ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 4500ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4501ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 4502ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 4503ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4504ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 4505789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 4506789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4507ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4508ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 4509ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4510ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4511ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 4512ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 4513ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 4514ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 4515ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 4516ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 4517789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 4518789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 4519789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4520789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 4521789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 4522ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 4523ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4524ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 4525ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4526ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 4527ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 45281aee05d08b2184acadeb36de300e216390780d6cDouglas GregorTemplateName 45291aee05d08b2184acadeb36de300e216390780d6cDouglas GregorASTContext::getSubstTemplateTemplateParmPack(TemplateTemplateParmDecl *Param, 45301aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor const TemplateArgument &ArgPack) const { 45311aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ASTContext &Self = const_cast<ASTContext &>(*this); 45321aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor llvm::FoldingSetNodeID ID; 45331aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage::Profile(ID, Self, Param, ArgPack); 45341aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 45351aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor void *InsertPos = 0; 45361aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage *Subst 45371aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = SubstTemplateTemplateParmPacks.FindNodeOrInsertPos(ID, InsertPos); 45381aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 45391aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor if (!Subst) { 45401aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor Subst = new (*this) SubstTemplateTemplateParmPackStorage(Self, Param, 45411aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_size(), 45421aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_begin()); 45431aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPacks.InsertNode(Subst, InsertPos); 45441aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 45451aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 45461aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor return TemplateName(Subst); 45471aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor} 45481aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 4549b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 4550d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 4551d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 4552e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 4553b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 4554e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 4555b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 4556b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 4557b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 4558b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 4559b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 4560b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 4561b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 4562b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 4563b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 4564b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 4565b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 4566e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 4567b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 4568b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4569b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4570b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 4571b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4572b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4573fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// isObjCNSObjectType - Return true if this is an NSObject object using 4574fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// NSObject attribute on a c-style pointer type. 4575fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// FIXME - Make it work directly on types. 4576f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff/// FIXME: Move to Type. 4577fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// 4578fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanianbool ASTContext::isObjCNSObjectType(QualType Ty) const { 4579f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const TypedefType *TDT = dyn_cast<TypedefType>(Ty)) { 4580fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefDecl *TD = TDT->getDecl()) 458140b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (TD->getAttr<ObjCNSObjectAttr>()) 4582fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return true; 4583fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian } 45841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return false; 4585fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian} 4586fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 45874fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 45884fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 45894fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 4590ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(QualType Ty) const { 4591ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (getLangOptions().getGCMode() == LangOptions::NonGC) 4592ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::GCNone; 4593ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 4594ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(getLangOptions().ObjC1); 4595ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall Qualifiers::GC GCAttrs = Ty.getObjCGCAttr(); 4596ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 4597ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // Default behaviour under objective-C's gc is for ObjC pointers 4598ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // (or pointers to them) be treated as though they were declared 4599ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // as __strong. 4600ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (GCAttrs == Qualifiers::GCNone) { 4601ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 4602ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::Strong; 4603ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall else if (Ty->isPointerType()) 4604ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 4605ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall } else { 4606ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // It's not valid to set GC attributes on anything that isn't a 4607ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // pointer. 4608ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#ifndef NDEBUG 4609ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall QualType CT = Ty->getCanonicalTypeInternal(); 4610ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall while (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 4611ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall CT = AT->getElementType(); 4612ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(CT->isAnyPointerType() || CT->isBlockPointerType()); 4613ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#endif 46144fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 4615b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 46164fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 46174fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 46186ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 46196ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 46206ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 4621770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 46221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 46236ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 46246ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 46256ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 4626467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 46276ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 462861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 46296ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 46306ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4631255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregorbool ASTContext::areCompatibleVectorTypes(QualType FirstVec, 4632255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor QualType SecondVec) { 4633255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(FirstVec->isVectorType() && "FirstVec should be a vector type"); 4634255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(SecondVec->isVectorType() && "SecondVec should be a vector type"); 4635255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4636255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (hasSameUnqualifiedType(FirstVec, SecondVec)) 4637255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4638255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4639f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // Treat Neon vector types and most AltiVec vector types as if they are the 4640f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // equivalent GCC vector types. 4641255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *First = FirstVec->getAs<VectorType>(); 4642255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *Second = SecondVec->getAs<VectorType>(); 4643f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson if (First->getNumElements() == Second->getNumElements() && 4644255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor hasSameType(First->getElementType(), Second->getElementType()) && 4645f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecPixel && 4646f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecBool && 4647f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecPixel && 4648f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecBool) 4649255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4650255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4651255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return false; 4652255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor} 4653255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 46544084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 46554084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 46564084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 46574084c306635b70f37029dca938444e6013f08684Steve Naroff 46584084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 46594084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 46604ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool 46614ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 46624ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad ObjCProtocolDecl *rProto) const { 46634084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 466414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 46654084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 46664084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 46674084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 46684084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 46694084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 46704084c306635b70f37029dca938444e6013f08684Steve Naroff} 467114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 46724084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 46734084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 46744084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 46754084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 46764084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 46774084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 46784084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 46794084c306635b70f37029dca938444e6013f08684Steve Naroff} 46804084c306635b70f37029dca938444e6013f08684Steve Naroff 4681a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// ObjCQualifiedClassTypesAreCompatible - compare Class<p,...> and 4682a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// Class<p1, ...>. 4683a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanianbool ASTContext::ObjCQualifiedClassTypesAreCompatible(QualType lhs, 4684a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType rhs) { 4685a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *lhsQID = lhs->getAs<ObjCObjectPointerType>(); 4686a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 4687a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian assert ((lhsQID && rhsOPT) && "ObjCQualifiedClassTypesAreCompatible"); 4688a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4689a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 4690a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = lhsQID->qual_end(); I != E; ++I) { 4691a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian bool match = false; 4692a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *lhsProto = *I; 4693a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 4694a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = rhsOPT->qual_end(); J != E; ++J) { 4695a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 4696a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto)) { 4697a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian match = true; 4698a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian break; 4699a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4700a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4701a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (!match) 4702a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return false; 4703a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4704a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return true; 4705a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian} 4706a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 47074084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 47084084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 47094084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 47104084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 47114084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 47121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 47134084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 47144084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 47151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 47164084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 47174084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 47184084c306635b70f37029dca938444e6013f08684Steve Naroff 47194084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 4720183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 47211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47224084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 47231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47244084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 47251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 47264084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 47274084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 47284084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 47294084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 47304084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 47314084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 47324084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 47330fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 47344084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 47354084c306635b70f37029dca938444e6013f08684Steve Naroff } 47364084c306635b70f37029dca938444e6013f08684Steve Naroff } 47374084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 47384084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 47394084c306635b70f37029dca938444e6013f08684Steve Naroff } 47401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 47414084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 47424084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 47434084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 47444084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 4745de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 4746de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 4747de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 4748de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 47494084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 47504084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 47514084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 47524084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 47534084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 47544084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 47558f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 47568f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 4757de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 47581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 47594084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 47604084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 47614084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 47624084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 47634084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 47644084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 47654084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 47660fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 47674084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 47684084c306635b70f37029dca938444e6013f08684Steve Naroff break; 47694084c306635b70f37029dca938444e6013f08684Steve Naroff } 47704084c306635b70f37029dca938444e6013f08684Steve Naroff } 47714084c306635b70f37029dca938444e6013f08684Steve Naroff } 47724084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 4773de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 4774de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 47751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4776de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 4777de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 47781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47794084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 47804084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 47814084c306635b70f37029dca938444e6013f08684Steve Naroff 47821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 47834084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 4784de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // If both the right and left sides have qualifiers. 47854084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 47864084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 47874084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 47884084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 47894084c306635b70f37029dca938444e6013f08684Steve Naroff 4790de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // when comparing an id<P> on rhs with a static type on lhs, 47914084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 47924084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 4793de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // First, lhs protocols in the qualifier list must be found, direct 4794de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // or indirect in rhs's qualifier list or it is a mismatch. 47954084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 47964084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 47974084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 47984084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 47994084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 48004084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 48014084c306635b70f37029dca938444e6013f08684Steve Naroff break; 48024084c306635b70f37029dca938444e6013f08684Steve Naroff } 48034084c306635b70f37029dca938444e6013f08684Steve Naroff } 48044084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 48054084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 48064084c306635b70f37029dca938444e6013f08684Steve Naroff } 4807de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian 4808de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // Static class's protocols, or its super class or category protocols 4809de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // must be found, direct or indirect in rhs's qualifier list or it is a mismatch. 4810de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 4811de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4812de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian CollectInheritedProtocols(lhsID, LHSInheritedProtocols); 4813de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // This is rather dubious but matches gcc's behavior. If lhs has 4814de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // no type qualifier and its class has no static protocol(s) 4815de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // assume that it is mismatch. 4816de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (LHSInheritedProtocols.empty() && lhsOPT->qual_empty()) 4817de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 4818de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4819de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian LHSInheritedProtocols.begin(), 4820de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = LHSInheritedProtocols.end(); I != E; ++I) { 4821de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian bool match = false; 4822de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *lhsProto = (*I); 4823de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 4824de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = rhsQID->qual_end(); J != E; ++J) { 4825de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 4826de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 4827de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 4828de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian match = true; 4829de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian break; 4830de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 4831de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 4832de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (!match) 4833de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 4834de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 4835de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 48364084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 48374084c306635b70f37029dca938444e6013f08684Steve Naroff } 48384084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 48394084c306635b70f37029dca938444e6013f08684Steve Naroff} 48404084c306635b70f37029dca938444e6013f08684Steve Naroff 48414084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 48424084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 48434084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 48444084c306635b70f37029dca938444e6013f08684Steve Naroff/// 48454084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 48464084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 4847c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4848c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4849c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 48504084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 4851c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 4852c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 48534084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 48544084c306635b70f37029dca938444e6013f08684Steve Naroff 4855c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 48561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 48571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 48584084c306635b70f37029dca938444e6013f08684Steve Naroff false); 4859a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4860a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (LHS->isObjCQualifiedClass() && RHS->isObjCQualifiedClass()) 4861a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return ObjCQualifiedClassTypesAreCompatible(QualType(LHSOPT,0), 4862a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType(RHSOPT,0)); 4863a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4864c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 4865c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 48664084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 48671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48684084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 486914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 487014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4871132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 4872132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// for providing type-safty for objective-c pointers used to pass/return 4873132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 4874132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 4875132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 4876132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 4877132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4878a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 4879a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian bool BlockReturnType) { 4880a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 4881132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4882132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4883132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 4884132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 4885132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4886132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4887a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 4888132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 4889132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 4890132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 4891132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4892132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 4893132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 4894132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 4895132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 4896132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 4897a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian return BlockReturnType; 4898132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 4899a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian return !BlockReturnType; 4900132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4901132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4902132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4903132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4904132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4905132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4906132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4907e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 4908e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 4909e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 4910e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 4911e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 4912e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 4913e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4914e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 4915e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 4916e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4917c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4918c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4919c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 4920c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 4921e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4922e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 4923e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 4924e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 4925e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 4926e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4927432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4928c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 4929c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 4930e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 4931e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 4932e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4933e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4934e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 4935e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 4936cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 4937cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 4938e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 4939e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 4940e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 4941e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4942e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4943432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 4944c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 4945c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 4946432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4947432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 4948432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 4949432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 4950432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 4951e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4952e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 4953e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4954db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 4955db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 4956db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 4957db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 4958db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 4959c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 4960c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 4961c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 4962c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 4963c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 4964c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 4965c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LDecl || !RDecl) 4966db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4967db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4968c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall while ((LDecl = LDecl->getSuperClass())) { 4969c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 4970e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 4971c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::SmallVector<ObjCProtocolDecl *, 8> Protocols; 4972c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 4973c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4974c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 4975c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 4976c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 4977c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 4978c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 4979e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4980db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian } 4981db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4982db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4983db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 4984db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4985c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 4986c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 4987c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 4988c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 4989c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 49906ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 49916ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 4992c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 49936ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 49941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49956ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 49966ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 4997c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 49986ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 49991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5000b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, 5001b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // more detailed analysis is required. 5002b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (RHS->getNumProtocols() == 0) { 5003b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // OK, if LHS is a superclass of RHS *and* 5004b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // this superclass is assignment compatible with LHS. 5005b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // false otherwise. 5006627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian bool IsSuperClass = 5007627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian LHS->getInterface()->isSuperClassOf(RHS->getInterface()); 5008627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian if (IsSuperClass) { 5009b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // OK if conversion of LHS to SuperClass results in narrowing of types 5010b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // ; i.e., SuperClass may implement at least one of the protocols 5011b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // in LHS's protocol list. Example, SuperObj<P1> = lhs<P1,P2> is ok. 5012b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // But not SuperObj<P1,P2,P3> = lhs<P1,P2>. 5013b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> SuperClassInheritedProtocols; 5014627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian CollectInheritedProtocols(RHS->getInterface(), SuperClassInheritedProtocols); 5015b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // If super class has no protocols, it is not a match. 5016b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (SuperClassInheritedProtocols.empty()) 5017b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5018b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian 5019b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 5020b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian LHSPE = LHS->qual_end(); 5021b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian LHSPI != LHSPE; LHSPI++) { 5022b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian bool SuperImplementsProtocol = false; 5023b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian ObjCProtocolDecl *LHSProto = (*LHSPI); 5024b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian 5025b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5026b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian SuperClassInheritedProtocols.begin(), 5027b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian E = SuperClassInheritedProtocols.end(); I != E; ++I) { 5028b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian ObjCProtocolDecl *SuperClassProto = (*I); 5029b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (SuperClassProto->lookupProtocolNamed(LHSProto->getIdentifier())) { 5030b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian SuperImplementsProtocol = true; 5031b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian break; 5032b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5033b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5034b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (!SuperImplementsProtocol) 5035b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5036b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5037b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return true; 5038b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5039b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5040b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 50411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5042c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 5043c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 504491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 504591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 504691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 504791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 504891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 5049c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 5050c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 50518f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 50528f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 505391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 50548f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 50558f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 505691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 505791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 505891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 505991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 506091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 506191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 506291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 50636ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 50646ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 5065389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 5066389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 5067183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 5068183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 50691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 507014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 5071389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 507214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 507314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 507414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 5075389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 5076389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 5077569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorbool ASTContext::canBindObjCObjectType(QualType To, QualType From) { 5078569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return canAssignObjCInterfaces( 5079569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(To)->getAs<ObjCObjectPointerType>(), 5080569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(From)->getAs<ObjCObjectPointerType>()); 5081569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 5082569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 50831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 5084ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 50851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 5086ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 5087447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregorbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS, 5088447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool CompareUnqualified) { 50890e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 50900e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 50910e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 5092447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return !mergeTypes(LHS, RHS, false, CompareUnqualified).isNull(); 50933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 50943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5095132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 5096132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 5097132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 5098132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 50994846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeTransparentUnionType - if T is a transparent union type and a member 51004846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// of T is compatible with SubType, return the merged type, else return 51014846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// QualType() 51024846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeTransparentUnionType(QualType T, QualType SubType, 51034846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 51044846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 51054846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (const RecordType *UT = T->getAsUnionType()) { 51064846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne RecordDecl *UD = UT->getDecl(); 51074846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (UD->hasAttr<TransparentUnionAttr>()) { 51084846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne for (RecordDecl::field_iterator it = UD->field_begin(), 51094846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne itend = UD->field_end(); it != itend; ++it) { 5110f91d7572ee7fa6f2926c8e7e816039a1154a59f8Peter Collingbourne QualType ET = it->getType().getUnqualifiedType(); 51114846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType MT = mergeTypes(ET, SubType, OfBlockPointer, Unqualified); 51124846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!MT.isNull()) 51134846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return MT; 51144846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 51154846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 51164846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 51174846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 51184846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return QualType(); 51194846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 51204846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 51214846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeFunctionArgumentTypes - merge two types which appear as function 51224846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// argument types 51234846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeFunctionArgumentTypes(QualType lhs, QualType rhs, 51244846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 51254846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 51264846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // GNU extension: two types are compatible if they appear as a function 51274846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // argument, one of the types is a transparent union type and the other 51284846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // type is compatible with a union member 51294846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType lmerge = mergeTransparentUnionType(lhs, rhs, OfBlockPointer, 51304846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 51314846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!lmerge.isNull()) 51324846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return lmerge; 51334846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 51344846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType rmerge = mergeTransparentUnionType(rhs, lhs, OfBlockPointer, 51354846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 51364846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!rmerge.isNull()) 51374846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return rmerge; 51384846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 51394846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return mergeTypes(lhs, rhs, OfBlockPointer, Unqualified); 51404846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 51414846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 5142132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 5143447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5144447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 5145183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 5146183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 514772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 514872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 51493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 51503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 51513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 51523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 5153132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 5154d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (OfBlockPointer) { 5155d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType RHS = rbase->getResultType(); 5156d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType LHS = lbase->getResultType(); 5157d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian bool UnqualifiedResult = Unqualified; 5158d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (!UnqualifiedResult) 5159d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian UnqualifiedResult = (!RHS.hasQualifiers() && LHS.hasQualifiers()); 5160a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian retType = mergeTypes(LHS, RHS, true, UnqualifiedResult, true); 5161d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian } 5162132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 51638cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall retType = mergeTypes(lbase->getResultType(), rbase->getResultType(), false, 51648cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall Unqualified); 51653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 5166447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5167447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5168447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = retType.getUnqualifiedType(); 5169447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5170447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType LRetType = getCanonicalType(lbase->getResultType()); 5171447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType RRetType = getCanonicalType(rbase->getResultType()); 5172447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5173447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LRetType = LRetType.getUnqualifiedType(); 5174447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RRetType = RRetType.getUnqualifiedType(); 5175447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5176447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5177447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != LRetType) 517861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 5179447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != RRetType) 518061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 51818cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 51826a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 51836a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 51846a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 51856a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 5186264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 5187264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 51888cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 51898cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Compatible functions must have compatible calling conventions 51908cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (!isSameCallConv(lbaseInfo.getCC(), rbaseInfo.getCC())) 51918cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 51928cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 51938cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Regparm is part of the calling convention. 5194a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman if (lbaseInfo.getHasRegParm() != rbaseInfo.getHasRegParm()) 5195a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman return QualType(); 51968cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (lbaseInfo.getRegParm() != rbaseInfo.getRegParm()) 51978cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 51988cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 51998cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // It's noreturn if either type is. 52008cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // FIXME: some uses, e.g. conditional exprs, really want this to be 'both'. 52016a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 52028cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (NoReturn != lbaseInfo.getNoReturn()) 52036a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 52048cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (NoReturn != rbaseInfo.getNoReturn()) 52056a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 52061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52078cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall FunctionType::ExtInfo einfo(NoReturn, 5208a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman lbaseInfo.getHasRegParm(), 52098cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall lbaseInfo.getRegParm(), 52108cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall lbaseInfo.getCC()); 5211e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 52123d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 5213465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 5214465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 52153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 52163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 52173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 52183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 52193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 52203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 52213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 52223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 52233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 52243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 52253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 52267fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 52277fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 52287fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 52293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 52303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman llvm::SmallVector<QualType, 10> types; 52313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 52323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 52333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 52344846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType argtype = mergeFunctionArgumentTypes(largtype, rargtype, 52354846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne OfBlockPointer, 52364846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 52373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 5238447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5239447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5240447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor argtype = argtype.getUnqualifiedType(); 5241447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 52423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 5243447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5244447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor largtype = largtype.getUnqualifiedType(); 5245447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor rargtype = rargtype.getUnqualifiedType(); 5246447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5247447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 524861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 524961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 525061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 525161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 52523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 52533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 52543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5255e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5256e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = lproto->getExtProtoInfo(); 5257e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 5258e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(retType, types.begin(), types.size(), EPI); 52593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 52603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 52613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 52623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 52633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 526472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 52653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 5266465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 52673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 52683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 52693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 52703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 52713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 52723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 52733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 52743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 52753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 5276b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 5277b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 5278b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 5279b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 5280b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 5281b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 52823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 52833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 52843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 52853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 52863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 52873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 52883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5289e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5290e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = proto->getExtProtoInfo(); 5291e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 52923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 5293e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall proto->getNumArgs(), EPI); 52943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 52953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 52963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 52973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 52988cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return getFunctionNoProtoType(retType, einfo); 52993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 53003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5301132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 5302447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5303a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian bool Unqualified, bool BlockReturnType) { 530443d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 530543d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 530643d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 53077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 53087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 53090e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 53100e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 5311447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5312447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5313447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHS = LHS.getUnqualifiedType(); 5314447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHS = RHS.getUnqualifiedType(); 5315447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 53160e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 53173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 53183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 53193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5320f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 53213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 53223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 53233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 53240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 5325a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 5326a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 53270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 53280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 53290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 53300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 53310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall LQuals.getAddressSpace() != RQuals.getAddressSpace()) 53320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 53330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 53340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 53350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 53360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 53370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 53380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 53390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 53400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 53410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 53420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 53430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 53440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 53450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 53460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 53470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 53480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 53490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 53500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 53510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 53523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 53530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 53540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 53550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 53563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5357852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 5358852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 5359f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 53601adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 53611adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 53621adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 53631adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 53644c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 53654c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 5366a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 5367a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 5368a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 5369a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 53701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5371c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 5372c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 5373c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 5374c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5375213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 5376213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 5377213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 53781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53794e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 53804e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 53811adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 53821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 5383842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 5384842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 5385183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 53863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 53873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 5388bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 5389183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 53903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 53913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 5392bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 53931adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 53943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 5395ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 53963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 53974a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 53981adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 539972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 540072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 5401ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 540272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 540372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 540472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 540572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 540672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 540772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 54087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 54097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 541072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 541172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 541272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 541372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 5414c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 541572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 541672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 541772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 541872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 541972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 542072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 542172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 54221adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 54233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 54243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 54256217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 54266217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 5427447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5428447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5429447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5430447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5431447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, false, 5432447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 54333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 543407d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 543561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 543607d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 543761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 54383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 54393d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 5440c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 5441c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 5442c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 54436217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 54446217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 5445447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5446447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5447447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5448447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5449447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer, 5450447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 5451c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 5452c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 5453c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 5454c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 5455c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 5456c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 5457c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 54581adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 54593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 54603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 54613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 54623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 54633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 54643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 54653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 54663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 5467447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5468447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSElem = LHSElem.getUnqualifiedType(); 5469447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSElem = RHSElem.getUnqualifiedType(); 5470447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5471447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5472447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSElem, RHSElem, false, Unqualified); 54733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 547461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 547561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 547661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 547761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 54783bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 54793bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 54803bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 54813bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 54823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 54833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 548461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 548561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 548661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 548761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 54883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 54893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 54903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 54913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 54923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 54933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 54943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 54953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 54963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 54973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 54983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 54993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 55003bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 55013bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 55027e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 55037e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 55043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 55051adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 5506447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return mergeFunctionTypes(LHS, RHS, OfBlockPointer, Unqualified); 550772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 550872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 55093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 55101adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 55113cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 55123d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 551364cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 551464cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 551564cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 55163cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 55175a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 55181c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 55191c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 55203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 552161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 5522c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 5523c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 55245a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 55255a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 5526c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 5527c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 5528c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 55295fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 55305fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 55313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 553261490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 553314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 5534132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 5535132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 5536132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 5537a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian RHS->getAs<ObjCObjectPointerType>(), 5538a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian BlockReturnType)) 5539132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 5540132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 5541132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5542183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 5543183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 554414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 554514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5546bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 5547132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5548ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 554972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 555072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 5551ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 55527192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 55532390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 55542390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 55552390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 55562390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 55572390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 55582390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 55592390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 55602390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 55612390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 55622390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 55632390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 55642390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 55652390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 55662390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 55672390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 55682390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 55692390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 55702390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 55712390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 55722390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 55732390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 55742390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 55752390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 55762390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 55772390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 5578e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 5579e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getFunctionExtInfo(LHS); 55802390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 55812390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 5582e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FPT->getNumArgs(), EPI); 55832390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 55842390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 55852390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 55862390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 55872390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 55882390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 55892390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 55902390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 55912390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 55922390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 55932390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 55942390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 55952390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 55962390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 55972390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 55982390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 55992390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 56002390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 56012390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 56022390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 56032390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 56042390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 56052390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 56062390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 56072390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 56082390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 56092390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 56102390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 56112390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 56122390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 56132390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 56142390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 56152390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 56162390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 56172390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 56182390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 56192390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 56202390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 56212390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 56222390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 56232390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 56242390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 56252390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 56262390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 56272390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 56282390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 56295426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 5630ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 5631ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 563288054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 56334ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getIntWidth(QualType T) const { 5634f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const EnumType *ET = dyn_cast<EnumType>(T)) 563529a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 56361274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (T->isBooleanType()) 56371274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor return 1; 5638f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 5639ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 5640ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5641ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 5642ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 5643f60946222721d9ba3c059563935c17b84703187aDouglas Gregor assert(T->hasSignedIntegerRepresentation() && "Unexpected type"); 56446a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 56456a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 56466a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 56476a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 5648e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VTy->getNumElements(), VTy->getVectorKind()); 56496a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 56506a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 56516a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 5652ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 56536a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 56546a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 56556a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 5656ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 5657ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 5658ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 5659ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 5660ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 5661ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 5662ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 5663ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 5664ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 5665ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 5666ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 5667ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 56682df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 56692df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 5670ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 5671ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 5672ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 5673ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 5674ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5675ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 56767b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios KyrtzidisASTMutationListener::~ASTMutationListener() { } 56777b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios Kyrtzidis 567886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 567986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 568086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 568186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 568286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 568386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 568433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// pointer over the consumed characters. This returns the resultant type. If 568533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// AllowTypeModifiers is false then modifier like * are not parsed, just basic 568633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// types. This allows "v2i*" to be parsed as a pointer to a v2i instead of 568733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// a vector of "i*". 568814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// 568914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// RequiresICE is filled in on return to indicate whether the value is required 569014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// to be an Integer Constant Expression. 56914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType DecodeTypeFromStr(const char *&Str, const ASTContext &Context, 569286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 569314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool &RequiresICE, 569433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner bool AllowTypeModifiers) { 569586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 569686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 569786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 569814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = false; 5699393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 570033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Read the prefixed modifiers first. 570186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 570286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 570386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 57041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 5705393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner case 'I': 570614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = true; 5707393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner break; 570886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 570986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 571086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 571186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 571286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 571386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 571486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 571586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 571686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 571786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 571886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 571986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 572086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 572186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 572286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 572386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 572486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 572586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 57261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 572786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 572886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 572986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 573086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 573186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 573286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 573386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 573486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 573586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 573686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 573786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 573886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 573986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 574086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 574186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 574286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 574386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 574486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 574586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 574686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 574786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 574886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 574986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 575086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 575186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 575286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 575386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 575486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 575586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 575686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 575786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 575886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 575986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 576086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 576186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 576286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 576386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 576486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 576586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 576686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 576786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 576886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 576986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 577086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 577186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 577286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 577386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 577486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 577586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 577686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 577786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 577886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 577986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 578086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 578186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 578286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 578386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 578486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 5785ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'G': 5786ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCIdType(); 5787ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 5788ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'H': 5789ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCSelType(); 5790ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 579186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 579286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 579386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 579486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 579586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 579686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 579786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 579886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 579986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 580086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 580186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 580286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 580386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 580486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 580586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 580614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (Type->isArrayType()) 580786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 580814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner else 580986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 581086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 581186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 581286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 581386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 581486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 581586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 58161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 581714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, 581814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, false); 581914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require vector ICE"); 582033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner 582133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // TODO: No way to make AltiVec vectors in builtins yet. 5822788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Type = Context.getVectorType(ElementType, NumElements, 5823e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 582486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 582586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5826d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 582714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, RequiresICE, 582814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner false); 582914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require complex ICE"); 5830d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 5831d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 5832d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor } 58339a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 5834c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 5835c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 5836f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 583786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 583886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5839fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 58409a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 5841f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 5842782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 5843f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 5844f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 5845f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 5846fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 5847f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 5848fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 5849fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 5850fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 5851782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 58521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 585333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // If there are modifiers and if we're allowed to parse them, go for it. 585433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Done = !AllowTypeModifiers; 585586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 5856187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 585733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner default: Done = true; --Str; break; 585833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '*': 585933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '&': { 586033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Both pointers and references can have their pointee types 586133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // qualified with an address space. 586233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner char *End; 586333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner unsigned AddrSpace = strtoul(Str, &End, 10); 586433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (End != Str && AddrSpace != 0) { 586533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getAddrSpaceQualType(Type, AddrSpace); 586633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Str = End; 586733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 586833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (c == '*') 586933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getPointerType(Type); 587033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner else 587133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getLValueReferenceType(Type); 587233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 587333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 587433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 587533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'C': 587633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Type.withConst(); 587733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 587833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'D': 587933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getVolatileType(Type); 588033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 588186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 588286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5883393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 588414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert((!RequiresICE || Type->isIntegralOrEnumerationType()) && 5885393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner "Integer constant 'I' type must be an integer"); 58861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 588786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 588886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 588986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 589086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 589133daae66462e8f51ee153463b32bdefd60c801aaChris LattnerQualType ASTContext::GetBuiltinType(unsigned Id, 589214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner GetBuiltinTypeError &Error, 58934ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned *IntegerConstantArgs) const { 589433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(Id); 58951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 589686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner llvm::SmallVector<QualType, 8> ArgTypes; 58971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 589814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool RequiresICE = false; 589986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 590014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error, 590114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, true); 590286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 590386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 590414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 590514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Result of intrinsic cannot be required to be an ICE"); 590614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 590786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 590814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error, RequiresICE, true); 590986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 591086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 591186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 591214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // If this argument is required to be an IntegerConstantExpression and the 591314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // caller cares, fill in the bitmask we return. 591414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (RequiresICE && IntegerConstantArgs) 591514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner *IntegerConstantArgs |= 1 << ArgTypes.size(); 591614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 591786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 591886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 591986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 59201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 592186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 592286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 592386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 592486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 592586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 592686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 592700ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall FunctionType::ExtInfo EI; 592800ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (BuiltinInfo.isNoReturn(Id)) EI = EI.withNoReturn(true); 592900ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 593000ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall bool Variadic = (TypeStr[0] == '.'); 593100ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 593200ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall // We really shouldn't be making a no-proto type here, especially in C++. 593300ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (ArgTypes.empty() && Variadic) 593400ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall return getFunctionNoProtoType(ResType, EI); 5935ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 5936e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI; 593700ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.ExtInfo = EI; 593800ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.Variadic = Variadic; 5939e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5940e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), EPI); 594186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 5942a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 594390e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForFunction(const FunctionDecl *FD) { 594490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage External = GVA_StrongExternal; 594590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 594690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = FD->getLinkage(); 594790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 594890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 594990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 595090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 595190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 595290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 595390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 595490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (FD->getTemplateSpecializationKind()) { 595590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 595690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 595790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_StrongExternal; 595890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 595990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 596090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 596190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 596290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 596390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 596490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 596590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_TemplateInstantiation; 596690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 596790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 596890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 596990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 597090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isInlined()) 597190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 597290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 597390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!getLangOptions().CPlusPlus || FD->hasAttr<GNUInlineAttr>()) { 597490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // GNU or C99 inline semantics. Determine whether this symbol should be 597590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // externally visible. 597690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->isInlineDefinitionExternallyVisible()) 597790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 597890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 597990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C99 inline semantics, where the symbol is not externally visible. 598090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 598190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 598290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 598390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C++0x [temp.explicit]p9: 598490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // [ Note: The intent is that an inline function that is the subject of 598590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // an explicit instantiation declaration will still be implicitly 598690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // instantiated when used so that the body can be considered for 598790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // inlining, but that no out-of-line copy of the inline function would be 598890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // generated in the translation unit. -- end note ] 598990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->getTemplateSpecializationKind() 599090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis == TSK_ExplicitInstantiationDeclaration) 599190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 599290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 599390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_CXXInline; 599490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 599590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 599690e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForVariable(const VarDecl *VD) { 599790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // If this is a static data member, compute the kind of template 599890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // specialization. Otherwise, this variable is not part of a 599990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // template. 600090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TemplateSpecializationKind TSK = TSK_Undeclared; 600190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (VD->isStaticDataMember()) 600290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TSK = VD->getTemplateSpecializationKind(); 600390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 600490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = VD->getLinkage(); 600590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 600690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis VD->getType()->getLinkage() == UniqueExternalLinkage) 600790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 600890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 600990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 601090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 601190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 601290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 601390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 601490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 601590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 601690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (TSK) { 601790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 601890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 601990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 602090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 602190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 602290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis llvm_unreachable("Variable should not be instantiated"); 602390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Fall through to treat this like any other instantiation. 602490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 602590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 602690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 602790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 602890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 602990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_TemplateInstantiation; 603090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 603190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 603290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 603390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 603490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 603590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 60364ac7c0bb39696e92fd220118fedc484c09a69870Argyrios Kyrtzidisbool ASTContext::DeclMustBeEmitted(const Decl *D) { 603790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 603890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!VD->isFileVarDecl()) 603990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 604090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } else if (!isa<FunctionDecl>(D)) 604190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 604290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 6043ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis // Weak references don't produce any output by themselves. 6044ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (D->hasAttr<WeakRefAttr>()) 6045ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 6046ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 604790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Aliases and used decls are required. 604890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (D->hasAttr<AliasAttr>() || D->hasAttr<UsedAttr>()) 604990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 605090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 605190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 605290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Forward declarations aren't required. 605390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isThisDeclarationADefinition()) 605490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 605590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 605690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Constructors and destructors are required. 605790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->hasAttr<ConstructorAttr>() || FD->hasAttr<DestructorAttr>()) 605890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 605990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 606090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // The key function for a class is required. 606190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 606290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXRecordDecl *RD = MD->getParent(); 606390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (MD->isOutOfLine() && RD->isDynamicClass()) { 606490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXMethodDecl *KeyFunc = getKeyFunction(RD); 606590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (KeyFunc && KeyFunc->getCanonicalDecl() == MD->getCanonicalDecl()) 606690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 606790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 606890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 606990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 607090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage Linkage = GetGVALinkageForFunction(FD); 607190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 607290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // static, static inline, always_inline, and extern inline functions can 607390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // always be deferred. Normal inline functions can be deferred in C99/C++. 607490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Implicit template instantiations can also be deferred in C++. 607590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (Linkage == GVA_Internal || Linkage == GVA_C99Inline || 607690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage == GVA_CXXInline || Linkage == GVA_TemplateInstantiation) 607790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 607890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 607990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 608090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 608190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const VarDecl *VD = cast<VarDecl>(D); 608290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis assert(VD->isFileVarDecl() && "Expected file scoped var"); 608390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 6084ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (VD->isThisDeclarationADefinition() == VarDecl::DeclarationOnly) 6085ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 6086ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 608790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Structs that have non-trivial constructors or destructors are required. 608890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 608990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // FIXME: Handle references. 609090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const RecordType *RT = VD->getType()->getAs<RecordType>()) { 609190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl())) { 6092bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis if (RD->hasDefinition() && 6093bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis (!RD->hasTrivialConstructor() || !RD->hasTrivialDestructor())) 609490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 609590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 609690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 609790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 609890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage L = GetGVALinkageForVariable(VD); 609990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == GVA_Internal || L == GVA_TemplateInstantiation) { 610090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!(VD->getInit() && VD->getInit()->HasSideEffects(*this))) 610190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 610290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 610390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 610490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 610590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 6106071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 6107ee743f903858e337434ac0335f147f4de4ecae05Charles DavisCallingConv ASTContext::getDefaultMethodCallConv() { 6108ee743f903858e337434ac0335f147f4de4ecae05Charles Davis // Pass through to the C++ ABI object 6109ee743f903858e337434ac0335f147f4de4ecae05Charles Davis return ABI->getDefaultMethodCallConv(); 6110ee743f903858e337434ac0335f147f4de4ecae05Charles Davis} 6111ee743f903858e337434ac0335f147f4de4ecae05Charles Davis 61124ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::isNearlyEmpty(const CXXRecordDecl *RD) const { 6113dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson // Pass through to the C++ ABI object 6114dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson return ABI->isNearlyEmpty(RD); 6115dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson} 6116dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson 611714110477887e3dc168ffc6c191e72d705051f99ePeter CollingbourneMangleContext *ASTContext::createMangleContext() { 611814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne switch (Target.getCXXABI()) { 611914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_ARM: 612014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Itanium: 612114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createItaniumMangleContext(*this, getDiagnostics()); 612214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Microsoft: 612314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createMicrosoftMangleContext(*this, getDiagnostics()); 612414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne } 612514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne assert(0 && "Unsupported ABI"); 612614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return 0; 612714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne} 612814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 6129071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI::~CXXABI() {} 6130