ASTContext.cpp revision 28445f0b62f6aed851ff87ce64d9b19200d3211f
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" 342636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis#include <map> 3529445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 381827403a7138946305c0058f262e02b595cf882fDouglas Gregorunsigned ASTContext::NumImplicitDefaultConstructors; 391827403a7138946305c0058f262e02b595cf882fDouglas Gregorunsigned ASTContext::NumImplicitDefaultConstructorsDeclared; 40225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregorunsigned ASTContext::NumImplicitCopyConstructors; 41225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregorunsigned ASTContext::NumImplicitCopyConstructorsDeclared; 42ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Huntunsigned ASTContext::NumImplicitMoveConstructors; 43ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Huntunsigned ASTContext::NumImplicitMoveConstructorsDeclared; 44a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregorunsigned ASTContext::NumImplicitCopyAssignmentOperators; 45a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregorunsigned ASTContext::NumImplicitCopyAssignmentOperatorsDeclared; 46ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Huntunsigned ASTContext::NumImplicitMoveAssignmentOperators; 47ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Huntunsigned ASTContext::NumImplicitMoveAssignmentOperatorsDeclared; 484923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregorunsigned ASTContext::NumImplicitDestructors; 494923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregorunsigned ASTContext::NumImplicitDestructorsDeclared; 504923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor 515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerenum FloatingRank { 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatRank, DoubleRank, LongDoubleRank 535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 553e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregorvoid 563e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorASTContext::CanonicalTemplateTemplateParm::Profile(llvm::FoldingSetNodeID &ID, 573e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *Parm) { 583e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Parm->getDepth()); 593e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Parm->getPosition()); 6061c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor ID.AddBoolean(Parm->isParameterPack()); 613e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 623e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList *Params = Parm->getTemplateParameters(); 633e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Params->size()); 643e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 653e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor PEnd = Params->end(); 663e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor P != PEnd; ++P) { 673e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) { 683e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(0); 693e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddBoolean(TTP->isParameterPack()); 703e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor continue; 713e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 723e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 733e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(*P)) { 743e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(1); 7561c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor ID.AddBoolean(NTTP->isParameterPack()); 763e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddPointer(NTTP->getType().getAsOpaquePtr()); 776952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor if (NTTP->isExpandedParameterPack()) { 786952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ID.AddBoolean(true); 796952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ID.AddInteger(NTTP->getNumExpansionTypes()); 806952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor for (unsigned I = 0, N = NTTP->getNumExpansionTypes(); I != N; ++I) 816952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ID.AddPointer(NTTP->getExpansionType(I).getAsOpaquePtr()); 826952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } else 836952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ID.AddBoolean(false); 843e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor continue; 853e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 863e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 873e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *TTP = cast<TemplateTemplateParmDecl>(*P); 883e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(2); 893e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Profile(ID, TTP); 903e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 913e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor} 923e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 933e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorTemplateTemplateParmDecl * 943e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorASTContext::getCanonicalTemplateTemplateParmDecl( 954ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad TemplateTemplateParmDecl *TTP) const { 963e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Check if we already have a canonical template template parameter. 973e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor llvm::FoldingSetNodeID ID; 983e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonicalTemplateTemplateParm::Profile(ID, TTP); 993e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor void *InsertPos = 0; 1003e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonicalTemplateTemplateParm *Canonical 1013e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); 1023e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (Canonical) 1033e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor return Canonical->getParam(); 1043e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1053e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Build a canonical template parameter list. 1063e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList *Params = TTP->getTemplateParameters(); 1073e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor llvm::SmallVector<NamedDecl *, 4> CanonParams; 1083e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.reserve(Params->size()); 1093e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 1103e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor PEnd = Params->end(); 1113e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor P != PEnd; ++P) { 1123e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) 1133e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back( 1143e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTypeParmDecl::Create(*this, getTranslationUnitDecl(), 115344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara SourceLocation(), 116344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara SourceLocation(), 117344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara TTP->getDepth(), 1183e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->getIndex(), 0, false, 1193e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->isParameterPack())); 1203e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor else if (NonTypeTemplateParmDecl *NTTP 1216952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor = dyn_cast<NonTypeTemplateParmDecl>(*P)) { 1226952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor QualType T = getCanonicalType(NTTP->getType()); 1236952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor TypeSourceInfo *TInfo = getTrivialTypeSourceInfo(T); 1246952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NonTypeTemplateParmDecl *Param; 1256952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor if (NTTP->isExpandedParameterPack()) { 1266952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor llvm::SmallVector<QualType, 2> ExpandedTypes; 1276952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor llvm::SmallVector<TypeSourceInfo *, 2> ExpandedTInfos; 1286952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor for (unsigned I = 0, N = NTTP->getNumExpansionTypes(); I != N; ++I) { 1296952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTypes.push_back(getCanonicalType(NTTP->getExpansionType(I))); 1306952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTInfos.push_back( 1316952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor getTrivialTypeSourceInfo(ExpandedTypes.back())); 1326952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } 1336952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor 1346952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor Param = NonTypeTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 135ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 136ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 1376952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getDepth(), 1386952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getPosition(), 0, 1396952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor T, 1406952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor TInfo, 1416952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTypes.data(), 1426952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTypes.size(), 1436952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTInfos.data()); 1446952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } else { 1456952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor Param = NonTypeTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 146ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 147ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 1486952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getDepth(), 1496952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getPosition(), 0, 1506952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor T, 1516952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->isParameterPack(), 1526952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor TInfo); 1536952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } 1546952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor CanonParams.push_back(Param); 1556952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor 1566952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } else 1573e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back(getCanonicalTemplateTemplateParmDecl( 1583e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor cast<TemplateTemplateParmDecl>(*P))); 1593e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 1603e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1613e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *CanonTTP 1623e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = TemplateTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 1633e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), TTP->getDepth(), 16461c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor TTP->getPosition(), 16561c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor TTP->isParameterPack(), 16661c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor 0, 1673e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList::Create(*this, SourceLocation(), 1683e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), 1693e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.data(), 1703e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.size(), 1713e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation())); 1723e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1733e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Get the new insert position for the node we care about. 1743e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); 1753e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor assert(Canonical == 0 && "Shouldn't be in the map!"); 1763e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor (void)Canonical; 1773e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1783e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Create the canonical template template parameter entry. 1793e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = new (*this) CanonicalTemplateTemplateParm(CanonTTP); 1803e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonTemplateTemplateParms.InsertNode(Canonical, InsertPos); 1813e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor return CanonTTP; 1823e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor} 1833e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 184071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI *ASTContext::createCXXABI(const TargetInfo &T) { 185ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall if (!LangOpts.CPlusPlus) return 0; 186ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall 18720cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis switch (T.getCXXABI()) { 188ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall case CXXABI_ARM: 189ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall return CreateARMCXXABI(*this); 190ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall case CXXABI_Itanium: 191071cc7deffad608165b1ddd5263e8bf181861520Charles Davis return CreateItaniumCXXABI(*this); 19220cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis case CXXABI_Microsoft: 19320cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis return CreateMicrosoftCXXABI(*this); 19420cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis } 195ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall return 0; 196071cc7deffad608165b1ddd5263e8bf181861520Charles Davis} 197071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 198207f4d8543529221932af82836016a2ef066c917Peter Collingbournestatic const LangAS::Map &getAddressSpaceMap(const TargetInfo &T, 199207f4d8543529221932af82836016a2ef066c917Peter Collingbourne const LangOptions &LOpts) { 200207f4d8543529221932af82836016a2ef066c917Peter Collingbourne if (LOpts.FakeAddressSpaceMap) { 201207f4d8543529221932af82836016a2ef066c917Peter Collingbourne // The fake address space map must have a distinct entry for each 202207f4d8543529221932af82836016a2ef066c917Peter Collingbourne // language-specific address space. 203207f4d8543529221932af82836016a2ef066c917Peter Collingbourne static const unsigned FakeAddrSpaceMap[] = { 204207f4d8543529221932af82836016a2ef066c917Peter Collingbourne 1, // opencl_global 205207f4d8543529221932af82836016a2ef066c917Peter Collingbourne 2, // opencl_local 206207f4d8543529221932af82836016a2ef066c917Peter Collingbourne 3 // opencl_constant 207207f4d8543529221932af82836016a2ef066c917Peter Collingbourne }; 208207f4d8543529221932af82836016a2ef066c917Peter Collingbourne return FakeAddrSpaceMap; 209207f4d8543529221932af82836016a2ef066c917Peter Collingbourne } else { 210207f4d8543529221932af82836016a2ef066c917Peter Collingbourne return T.getAddressSpaceMap(); 211207f4d8543529221932af82836016a2ef066c917Peter Collingbourne } 212207f4d8543529221932af82836016a2ef066c917Peter Collingbourne} 213207f4d8543529221932af82836016a2ef066c917Peter Collingbourne 21461710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerASTContext::ASTContext(const LangOptions& LOpts, SourceManager &SM, 215444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar const TargetInfo &t, 216e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar IdentifierTable &idents, SelectorTable &sels, 2171b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 21863fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor unsigned size_reserve) : 2198026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl FunctionProtoTypes(this_()), 220ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationTypes(this_()), 221ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationTypes(this_()), 222146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmPacks(this_()), 223006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis GlobalNestedNameSpecifier(0), IsInt128Installed(false), 224006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis CFConstantStringTypeDecl(0), NSConstantStringTypeDecl(0), 225f85e193739c953358c865005855253af4f68a497John McCall ObjCFastEnumerationStateTypeDecl(0), FILEDecl(0), 226f85e193739c953358c865005855253af4f68a497John McCall jmp_bufDecl(0), sigjmp_bufDecl(0), BlockDescriptorType(0), 227f85e193739c953358c865005855253af4f68a497John McCall BlockDescriptorExtendedType(0), cudaConfigureCallDecl(0), 228bf1a028246d884a540aeafa38e89be59a269b072John McCall NullTypeSourceInfo(QualType()), 229207f4d8543529221932af82836016a2ef066c917Peter Collingbourne SourceMgr(SM), LangOpts(LOpts), ABI(createCXXABI(t)), 230207f4d8543529221932af82836016a2ef066c917Peter Collingbourne AddrSpaceMap(getAddressSpaceMap(t, LOpts)), Target(t), 2312e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Idents(idents), Selectors(sels), 232ac9590effa90406767a544005ed1de52e258306bTed Kremenek BuiltinInfo(builtins), 233ac9590effa90406767a544005ed1de52e258306bTed Kremenek DeclarationNames(*this), 2349a44b5f5593bd8a385d06b07c564795f643ec8daArgyrios Kyrtzidis ExternalSource(0), Listener(0), PrintingPolicy(LOpts), 235f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek LastSDM(0, 0), 2368178df3b39ab923ff5d24538812628abee33df79John McCall UniqueBlockByRefTypeID(0) { 2370f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCIdRedefinitionType = QualType(); 2380f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCClassRedefinitionType = QualType(); 23963fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor ObjCSelRedefinitionType = QualType(); 2401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 241e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 24214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff InitBuiltinTypes(); 243e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 244e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 2455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 2463478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // Release the DenseMaps associated with DeclContext objects. 2473478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: Is this the ideal solution? 2483478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek ReleaseDeclContextMaps(); 2497d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 25063fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Call all of the deallocation functions. 25163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (unsigned I = 0, N = Deallocations.size(); I != N; ++I) 25263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor Deallocations[I].first(Deallocations[I].second); 2530054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2547d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // Release all of the memory associated with overridden C++ methods. 2557d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor for (llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::iterator 2567d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM = OverriddenMethods.begin(), OMEnd = OverriddenMethods.end(); 2577d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM != OMEnd; ++OM) 2587d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM->second.Destroy(); 2593478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek 260dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // ASTRecordLayout objects in ASTRecordLayouts must always be destroyed 26163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // because they can contain DenseMaps. 26263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (llvm::DenseMap<const ObjCContainerDecl*, 26363fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor const ASTRecordLayout*>::iterator 26463fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor I = ObjCLayouts.begin(), E = ObjCLayouts.end(); I != E; ) 26563fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Increment in loop to prevent using deallocated memory. 26663fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 26763fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor R->Destroy(*this); 26863fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor 269dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek for (llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 270dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { 271dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // Increment in loop to prevent using deallocated memory. 272dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 273dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek R->Destroy(*this); 274dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek } 2756320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 2766320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor for (llvm::DenseMap<const Decl*, AttrVec*>::iterator A = DeclAttrs.begin(), 2776320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AEnd = DeclAttrs.end(); 2786320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A != AEnd; ++A) 2796320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A->second->~AttrVec(); 2806320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 281ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 2820054531488928a424666ac11fcdc6bcc5112de52Douglas Gregorvoid ASTContext::AddDeallocation(void (*Callback)(void*), void *Data) { 2830054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor Deallocations.push_back(std::make_pair(Callback, Data)); 2840054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor} 2850054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 2872cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 2882cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 2892cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 2902cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, "*** AST Context Stats:\n"); 2935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d types total.\n", (int)Types.size()); 2947c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 295dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 2961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 297dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 298dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 299dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 300dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 301c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 304dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 307dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 308dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 309dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 310dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 311dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, " %d %s types\n", (int)counts[Idx], #Name); \ 312dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 313dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 314dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 315dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 3161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 317dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, "Total bytes = %d\n", int(TotalBytes)); 318ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor 3194923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor // Implicit special member functions. 3201827403a7138946305c0058f262e02b595cf882fDouglas Gregor fprintf(stderr, " %u/%u implicit default constructors created\n", 3211827403a7138946305c0058f262e02b595cf882fDouglas Gregor NumImplicitDefaultConstructorsDeclared, 3221827403a7138946305c0058f262e02b595cf882fDouglas Gregor NumImplicitDefaultConstructors); 323225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor fprintf(stderr, " %u/%u implicit copy constructors created\n", 324225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor NumImplicitCopyConstructorsDeclared, 325225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor NumImplicitCopyConstructors); 326ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt if (getLangOptions().CPlusPlus) 327ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt fprintf(stderr, " %u/%u implicit move constructors created\n", 328ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt NumImplicitMoveConstructorsDeclared, 329ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt NumImplicitMoveConstructors); 330a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor fprintf(stderr, " %u/%u implicit copy assignment operators created\n", 331a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor NumImplicitCopyAssignmentOperatorsDeclared, 332a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor NumImplicitCopyAssignmentOperators); 333ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt if (getLangOptions().CPlusPlus) 334ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt fprintf(stderr, " %u/%u implicit move assignment operators created\n", 335ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt NumImplicitMoveAssignmentOperatorsDeclared, 336ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt NumImplicitMoveAssignmentOperators); 3374923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor fprintf(stderr, " %u/%u implicit destructors created\n", 3384923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor NumImplicitDestructorsDeclared, NumImplicitDestructors); 3394923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor 3402cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 3412cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor fprintf(stderr, "\n"); 3422cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 3432cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 344ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor 34563fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor BumpAlloc.PrintStats(); 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 349e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 3506b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 351e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 3526b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinTypes() { 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 3571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 3601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 3635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 36415b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 3655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 3675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 3685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 3735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 3741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 3765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 3775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 3785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 3795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 3805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 3811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 3835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 3855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 38664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 3872df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 3882df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 3892df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 3902df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 3913f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (LangOpts.CPlusPlus) { // C++ 3.9.1p5 392d3d77cd138f8e830f6547b6f83fcd5721ccf5f5dEli Friedman if (TargetInfo::isTypeSigned(Target.getWCharType())) 3933f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_S); 3943f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner else // -fshort-wchar makes wchar_t be unsigned. 3953f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_U); 3963f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner } else // C99 3973a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 39864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 399f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 400f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 401f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 402f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 403f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 404f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 405f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 406f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 407f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 408f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 409898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 410898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 411898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 412898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 413898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 414898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 4158e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 4162a984cad5ac3fdceeff2bd99daa7b90979313475John McCall // Placeholder type for functions. 4172a984cad5ac3fdceeff2bd99daa7b90979313475John McCall InitBuiltinType(OverloadTy, BuiltinType::Overload); 4182a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 419864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall // Placeholder type for bound members. 420864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall InitBuiltinType(BoundMemberTy, BuiltinType::BoundMember); 421864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 4221de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall // "any" type; useful for debugger-like clients. 4231de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall InitBuiltinType(UnknownAnyTy, BuiltinType::UnknownAny); 4241de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall 4255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 4298e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 4307e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 4311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 432de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // "Builtin" typedefs set by Sema::ActOnTranslationUnitScope(). 433de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = QualType(); 434de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = QualType(); 43513dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = QualType(); 4361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43713dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 438de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 439de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 44013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 44114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 442a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 4431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 44533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 4466e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 4476e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 4486e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 45178a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios KyrtzidisDiagnostic &ASTContext::getDiagnostics() const { 45278a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis return SourceMgr.getDiagnostics(); 45378a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis} 45478a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis 4556320064d0c60fa8683f5623881c9394fd4aa7689Douglas GregorAttrVec& ASTContext::getDeclAttrs(const Decl *D) { 4566320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AttrVec *&Result = DeclAttrs[D]; 4576320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (!Result) { 4586320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor void *Mem = Allocate(sizeof(AttrVec)); 4596320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Result = new (Mem) AttrVec; 4606320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 4616320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 4626320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor return *Result; 4636320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 4646320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 4656320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor/// \brief Erase the attributes corresponding to the given declaration. 4666320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregorvoid ASTContext::eraseDeclAttrs(const Decl *D) { 4676320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor llvm::DenseMap<const Decl*, AttrVec*>::iterator Pos = DeclAttrs.find(D); 4686320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (Pos != DeclAttrs.end()) { 4696320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Pos->second->~AttrVec(); 4706320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor DeclAttrs.erase(Pos); 4716320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 4726320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 4736320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 474251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 475663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 4767caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 477663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 4787caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 4797caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 4807caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 4811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4827caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 4837caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 4847caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 4851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 486251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 4879421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis TemplateSpecializationKind TSK, 4889421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis SourceLocation PointOfInstantiation) { 4897caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 4907caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 4917caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 4927caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 493251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 4949421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis = new (*this) MemberSpecializationInfo(Tmpl, TSK, PointOfInstantiation); 4957caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 4967caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 4977ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 498ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 4997ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 500ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 501ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 5020d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 5031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5040d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 5050d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 5060d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 5070d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 508ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 509ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 510ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 511ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 512ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 513ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 514ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 515ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 516ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 517ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 518ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 519ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 520ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 521ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 522ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 523ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 524ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 525ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 526ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 527ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 528ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 529ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 530ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 531ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 5320d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 5330d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 534d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 535d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 536d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 537d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 538d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 5391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 540d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 541d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 542d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 543d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 544d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 545d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 546d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 547d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 548d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 5491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 550d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 551d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 552d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 55314d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanianbool ASTContext::ZeroBitfieldFollowsNonBitfield(const FieldDecl *FD, 55414d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian const FieldDecl *LastFD) const { 55514d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian return (FD->isBitField() && LastFD && !LastFD->isBitField() && 55614d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian FD->getBitWidth()-> EvaluateAsInt(*this).getZExtValue() == 0); 55714d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian 55814d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian} 55914d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian 560340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanianbool ASTContext::ZeroBitfieldFollowsBitfield(const FieldDecl *FD, 561340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian const FieldDecl *LastFD) const { 562340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian return (FD->isBitField() && LastFD && LastFD->isBitField() && 563cc0f9f1a3b5df7fd308ff3d800fbbbbff805157dFariborz Jahanian FD->getBitWidth()-> EvaluateAsInt(*this).getZExtValue() == 0 && 564cc0f9f1a3b5df7fd308ff3d800fbbbbff805157dFariborz Jahanian LastFD->getBitWidth()-> EvaluateAsInt(*this).getZExtValue() != 0); 565340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian 566340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian} 567340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian 5689b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanianbool ASTContext::BitfieldFollowsBitfield(const FieldDecl *FD, 5699b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian const FieldDecl *LastFD) const { 5709b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian return (FD->isBitField() && LastFD && LastFD->isBitField() && 5719b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian FD->getBitWidth()-> EvaluateAsInt(*this).getZExtValue() && 5729b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian LastFD->getBitWidth()-> EvaluateAsInt(*this).getZExtValue()); 5739b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian} 5749b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian 57552bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanianbool ASTContext::NoneBitfieldFollowsBitfield(const FieldDecl *FD, 57652bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian const FieldDecl *LastFD) const { 57752bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian return (!FD->isBitField() && LastFD && LastFD->isBitField() && 57852bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian LastFD->getBitWidth()-> EvaluateAsInt(*this).getZExtValue()); 57952bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian} 58052bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian 58152bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanianbool ASTContext::BitfieldFollowsNoneBitfield(const FieldDecl *FD, 58252bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian const FieldDecl *LastFD) const { 58352bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian return (FD->isBitField() && LastFD && !LastFD->isBitField() && 58452bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian FD->getBitWidth()-> EvaluateAsInt(*this).getZExtValue()); 58552bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian} 58652bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian 5877d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 5887d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 5897d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 5907d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 5917d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 5927d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 5937d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 5947d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 5957d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 5967d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 5977d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 5987d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 5997d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 6007d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 6017d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 6027d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 6037d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 6047d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 6057d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 6067d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 607c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidisunsigned 608c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios KyrtzidisASTContext::overridden_methods_size(const CXXMethodDecl *Method) const { 609c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 610c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis = OverriddenMethods.find(Method); 611c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis if (Pos == OverriddenMethods.end()) 612c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return 0; 613c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 614c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return Pos->second.size(); 615c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis} 616c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 6177d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 6187d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 6197d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 6207d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 6217d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 622464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 623464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 624464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 625a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 626b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 627b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 628b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 629183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 630b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 631b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 632b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 633b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 634b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 635b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 636b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 637b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 638b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 6398b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 640af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 641af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 6425d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 6435d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 6444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) const { 645dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 646dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 6474081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall bool UseAlignAttrOnly = false; 6484081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (unsigned AlignFromAttr = D->getMaxAlignment()) { 6494081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall Align = AlignFromAttr; 6504081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall 6514081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // __attribute__((aligned)) can increase or decrease alignment 6524081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // *except* on a struct or struct member, where it only increases 6534081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // alignment unless 'packed' is also specified. 6544081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // 6554081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // It is an error for [[align]] to decrease alignment, so we can 6564081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // ignore that possibility; Sema should diagnose it. 6574081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (isa<FieldDecl>(D)) { 6584081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = D->hasAttr<PackedAttr>() || 6594081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 6604081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else { 6614081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = true; 6624081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 6634081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 66478a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian else if (isa<FieldDecl>(D)) 66578a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian UseAlignAttrOnly = 66678a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian D->hasAttr<PackedAttr>() || 66778a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 668dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 669ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // If we're using the align attribute only, just ignore everything 670ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // else about the declaration and its type. 6714081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (UseAlignAttrOnly) { 672ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // do nothing 673ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 6744081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 675af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 6766217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 6775d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 6785d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 6795d484e8cf710207010720589d89602233de61d01Sebastian Redl else 6805d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 6815d484e8cf710207010720589d89602233de61d01Sebastian Redl } 6825d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 6833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Adjust alignments of declarations with array type by the 6843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // large-array alignment on the target. 6856deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned MinWidth = Target.getLargeArrayMinWidth(); 6863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *arrayType; 6873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (MinWidth && (arrayType = getAsArrayType(T))) { 6883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (isa<VariableArrayType>(arrayType)) 6893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Align = std::max(Align, Target.getLargeArrayAlign()); 6903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall else if (isa<ConstantArrayType>(arrayType) && 6913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall MinWidth <= getTypeSize(cast<ConstantArrayType>(arrayType))) 6923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Align = std::max(Align, Target.getLargeArrayAlign()); 6933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 6943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Walk through any array types while we're at it. 6953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall T = getBaseElementType(arrayType); 6966deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola } 697dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 698dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 699ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 700ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Fields can be subject to extra alignment constraints, like if 701ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the field is packed, the struct is packed, or the struct has a 702ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // a max-field-alignment constraint (#pragma pack). So calculate 703ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the actual alignment of the field within the struct, and then 704ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // (as we're expected to) constrain that by the alignment of the type. 705ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (const FieldDecl *field = dyn_cast<FieldDecl>(VD)) { 706ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // So calculate the alignment of the field. 707ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall const ASTRecordLayout &layout = getASTRecordLayout(field->getParent()); 708ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 709ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Start with the record's overall alignment. 710dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck unsigned fieldAlign = toBits(layout.getAlignment()); 711ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 712ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Use the GCD of that and the offset within the record. 713ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t offset = layout.getFieldOffset(field->getFieldIndex()); 714ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (offset > 0) { 715ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Alignment is always a power of 2, so the GCD will be a power of 2, 716ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // which means we get to do this crazy thing instead of Euclid's. 717ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t lowBitOfOffset = offset & (~offset + 1); 718ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (lowBitOfOffset < fieldAlign) 719ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall fieldAlign = static_cast<unsigned>(lowBitOfOffset); 720ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall } 721ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 722ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall Align = std::min(Align, fieldAlign); 72305f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 724af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 725dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 726eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(Align); 727af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 728b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 729ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 730bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(const Type *T) const { 731ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 732eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return std::make_pair(toCharUnitsFromBits(Info.first), 733eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck toCharUnitsFromBits(Info.second)); 734ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 735ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 736ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 737bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(QualType T) const { 738ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 739ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 740ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 741a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 742a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 7430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 7440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 7450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 7460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 747d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 7484ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getTypeInfo(const Type *T) const { 7495e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 7505e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 751a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 75272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 75372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 75418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 75572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 75672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 757d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall llvm_unreachable("Should not see dependent types"); 75872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 75972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 7605d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 7615d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 76218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 76318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 76418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 76518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 76618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 76772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 768fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 76918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 77018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 77118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 77218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 773fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 7741d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 7751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 77698be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 7779e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 778030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 779cd88b4171753dcb2bc0a21d78f1597c796bb8a20Argyrios Kyrtzidis Width = llvm::RoundUpToAlignment(Width, Align); 780030d8846c7e520330007087e949f621989876e3aChris Lattner break; 7815c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 782213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 783030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 7849fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 7859fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 7869fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 7874bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 7886fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 7896fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 7908eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 7919fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 7929fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 7939fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 794030d8846c7e520330007087e949f621989876e3aChris Lattner break; 795030d8846c7e520330007087e949f621989876e3aChris Lattner } 7965d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 7979e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 798a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 799692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 800d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 80118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 80218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 80318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 80418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 80518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 8066f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 8079e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 8089e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 8096f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 810692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 811692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 812692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 8136f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 8149e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 8159e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 8166f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 8173f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 8183f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 81964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 82064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 82164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 822f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 823f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar16Width(); 824f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar16Align(); 825f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 826f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 827f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar32Width(); 828f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar32Align(); 829f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 830692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 8316f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 8329e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 8339e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 8346f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 835692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 8366f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 8379e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 8389e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 8396f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 840692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 8416f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 8429e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 8439e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 8446f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 845692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 8466f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 8479e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 8489e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 8496f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 850ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 851ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 852ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 853ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 854ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 8556f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 8569e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 8579e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 8586f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 8596f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 8605426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 8615426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 8626f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 8636f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 8649e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 8659e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 8666f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 8676e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 8686e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Width = Target.getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 8696e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Align = Target.getPointerAlign(0); // == sizeof(void*) 8701590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 871e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCId: 872e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCClass: 873e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCSel: 874e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Width = Target.getPointerWidth(0); 875e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Align = Target.getPointerAlign(0); 876e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian break; 877a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 878bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 879d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 8805426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 881f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 8826f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 883485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 884207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace( 885207f4d8543529221932af82836016a2ef066c917Peter Collingbourne cast<BlockPointerType>(T)->getPointeeType()); 886485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 887485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 888485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 889485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 8905d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 8915d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 8925d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 8935d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 894207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace( 895207f4d8543529221932af82836016a2ef066c917Peter Collingbourne cast<ReferenceType>(T)->getPointeeType()); 8965d484e8cf710207010720589d89602233de61d01Sebastian Redl Width = Target.getPointerWidth(AS); 8975d484e8cf710207010720589d89602233de61d01Sebastian Redl Align = Target.getPointerAlign(AS); 8985d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 8995d484e8cf710207010720589d89602233de61d01Sebastian Redl } 900f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 901207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace(cast<PointerType>(T)->getPointeeType()); 9025426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 903f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 904f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 905f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 906f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 907071cc7deffad608165b1ddd5263e8bf181861520Charles Davis const MemberPointerType *MPT = cast<MemberPointerType>(T); 9081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 9091cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 910071cc7deffad608165b1ddd5263e8bf181861520Charles Davis Width = PtrDiffInfo.first * ABI->getMemberPointerSize(MPT); 9111cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 9121cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 913f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 9145d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 9155d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 9165d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 9171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 91898be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 9199e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 9205d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 9215d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 9225d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 923c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 924c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 92544a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 9261d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 92744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 928dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 929dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 93044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 93144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 93272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 93372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 9341d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 9351d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 9361d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 93722ce41d9fc8509da65858c75bf5b3c4dae2d8c04Douglas Gregor Width = 8; 93822ce41d9fc8509da65858c75bf5b3c4dae2d8c04Douglas Gregor Align = 8; 9398389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 9408389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 9411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9421d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 9437176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 9447176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 9451d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 9467176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 947dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 948dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 949dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 950a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 9517532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 9529fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 95349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 95449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 95549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 95634b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: { 95734b41d939a1328f484511c6002ba2456db879a29Richard Smith const AutoType *A = cast<AutoType>(T); 95834b41d939a1328f484511c6002ba2456db879a29Richard Smith assert(A->isDeduced() && "Cannot request the size of a dependent type"); 959dc856aff4428380baa9afb5577ea04f8fb6beb13Matt Beaumont-Gay return getTypeInfo(A->getDeducedType().getTypePtr()); 96034b41d939a1328f484511c6002ba2456db879a29Richard Smith } 96134b41d939a1328f484511c6002ba2456db879a29Richard Smith 962075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara case Type::Paren: 963075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return getTypeInfo(cast<ParenType>(T)->getInnerType().getTypePtr()); 964075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 96518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 966162e1c1b487352434552147967c3dd296ebee2f7Richard Smith const TypedefNameDecl *Typedef = cast<TypedefType>(T)->getDecl(); 967df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor std::pair<uint64_t, unsigned> Info 968df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor = getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 969c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // If the typedef has an aligned attribute on it, it overrides any computed 970c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // alignment we have. This violates the GCC documentation (which says that 971c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // attribute(aligned) can only round up) but matches its implementation. 972c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner if (unsigned AttrAlign = Typedef->getMaxAlignment()) 973c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = AttrAlign; 974c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner else 975c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = Info.second; 976df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Width = Info.first; 9777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 9787176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 97918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 98018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 98118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 98218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 98318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 98418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 98518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 98618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 987395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 988395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 989395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 990395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 991ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt case Type::UnaryTransform: 992ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return getTypeInfo(cast<UnaryTransformType>(T)->getUnderlyingType()); 993ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 994465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 995465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 9961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9979d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall case Type::Attributed: 9989d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return getTypeInfo( 9999d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall cast<AttributedType>(T)->getEquivalentType().getTypePtr()); 10009d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 10013e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith case Type::TemplateSpecialization: { 10021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 100318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 10043e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith const TemplateSpecializationType *TST = cast<TemplateSpecializationType>(T); 10053e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // A type alias template specialization may refer to a typedef with the 10063e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // aligned attribute on it. 10073e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TST->isTypeAlias()) 10083e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return getTypeInfo(TST->getAliasedType().getTypePtr()); 10093e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else 10103e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return getTypeInfo(getCanonicalType(T)); 10113e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 10123e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 101318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 10141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1015464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 10169e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 1017a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 1018a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1019eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck/// toCharUnitsFromBits - Convert a size in bits to a size in characters. 1020eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen DyckCharUnits ASTContext::toCharUnitsFromBits(int64_t BitSize) const { 1021eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return CharUnits::fromQuantity(BitSize / getCharWidth()); 1022eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck} 1023eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck 1024dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck/// toBits - Convert a size in characters to a size in characters. 1025dd76a9ab9ea675671200f94b18ce95766841952bKen Dyckint64_t ASTContext::toBits(CharUnits CharSize) const { 1026dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck return CharSize.getQuantity() * getCharWidth(); 1027dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck} 1028dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck 1029bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 1030bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 10314ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(QualType T) const { 1032eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 1033bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 10344ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(const Type *T) const { 1035eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 1036bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 1037bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 103816e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 103986fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 10404ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(QualType T) const { 1041eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 104286fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 10434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(const Type *T) const { 1044eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 104586fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 104686fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 104734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 104834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 104934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 105034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 10514ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getPreferredTypeAlign(const Type *T) const { 105234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 10531eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 10541eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 1055183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 10561eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 10571eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 10581eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 10591eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 10601eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 106134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 106234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 106334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 10648e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// ShallowCollectObjCIvars - 10658e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// Collect all ivars, including those synthesized, in the current class. 10668e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// 10678e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianvoid ASTContext::ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 10684ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) const { 10692c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian // FIXME. This need be removed but there are two many places which 10702c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian // assume const-ness of ObjCInterfaceDecl 10712c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian ObjCInterfaceDecl *IDecl = const_cast<ObjCInterfaceDecl *>(OI); 10722c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCIvarDecl *Iv = IDecl->all_declared_ivar_begin(); Iv; 10732c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian Iv= Iv->getNextIvar()) 10742c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian Ivars.push_back(Iv); 10752c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian} 10762c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian 10772c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// DeepCollectObjCIvars - 10782c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// This routine first collects all declared, but not synthesized, ivars in 10792c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// super class and then collects all ivars, including those synthesized for 10802c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// current class. This routine is used for implementation of current class 10812c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// when all ivars, declared and synthesized are known. 10829820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 10832c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanianvoid ASTContext::DeepCollectObjCIvars(const ObjCInterfaceDecl *OI, 10842c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian bool leafClass, 10854ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) const { 10862c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 10872c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(SuperClass, false, Ivars); 10882c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (!leafClass) { 10892c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 10902c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian E = OI->ivar_end(); I != E; ++I) 109111062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 109211062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian } 1093bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian else { 1094bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian ObjCInterfaceDecl *IDecl = const_cast<ObjCInterfaceDecl *>(OI); 1095bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian for (ObjCIvarDecl *Iv = IDecl->all_declared_ivar_begin(); Iv; 1096bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian Iv= Iv->getNextIvar()) 1097bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian Ivars.push_back(Iv); 1098bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian } 10999820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 11009820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 1101e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 1102e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 1103e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 1104432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 1105e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 110653b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // We can use protocol_iterator here instead of 110753b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // all_referenced_protocol_iterator since we are walking all categories. 110853b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCInterfaceDecl::all_protocol_iterator P = OI->all_referenced_protocol_begin(), 110953b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek PE = OI->all_referenced_protocol_end(); P != PE; ++P) { 1110e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1111432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1112e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1113b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 1114b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 1115e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1116e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1117b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 1118e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 1119e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 1120e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 1121e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 1122e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 1123e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 1124e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 1125e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 1126e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 1127e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1128b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 112953b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCCategoryDecl::protocol_iterator P = OC->protocol_begin(), 1130e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 1131e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1132432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1133e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1134e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1135e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1136e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1137b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 1138e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 1139e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 1140e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1141432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1142e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1143e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1144e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1145e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1146e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1147e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 1148e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 11494ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) const { 11503bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 11513bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 115280aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian for (const ObjCCategoryDecl *CDecl = OI->getFirstClassExtension(); CDecl; 115380aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian CDecl = CDecl->getNextClassExtension()) 1154b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 1155b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 11563bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 11573bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 11583bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 1159b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 1160b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 11618e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 11628e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 11638e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 11648a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 11658a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 11668a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 11678a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 11688a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 11698a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 11708a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 11718a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11728a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 11738a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 11748a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 11758a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 11768a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 11778a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 11788a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 11798a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11808a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 11818a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 11828a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 11838a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 11848a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 11858a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 11868a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11878a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 11888a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 11898a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 11908a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 11918a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 11928a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11938a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 11941ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Get the copy initialization expression of VarDecl,or NULL if 11951ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// none exists. 1196830937bc1100fba7682f7c32c40512085870f50cFariborz JahanianExpr *ASTContext::getBlockVarCopyInits(const VarDecl*VD) { 1197d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD && "Passed null params"); 1198d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1199d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "getBlockVarCopyInits - not __block var"); 1200830937bc1100fba7682f7c32c40512085870f50cFariborz Jahanian llvm::DenseMap<const VarDecl*, Expr*>::iterator 1201d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian I = BlockVarCopyInits.find(VD); 12021ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian return (I != BlockVarCopyInits.end()) ? cast<Expr>(I->second) : 0; 12031ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 12041ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 12051ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Set the copy inialization expression of a block var decl. 12061ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanianvoid ASTContext::setBlockVarCopyInits(VarDecl*VD, Expr* Init) { 12071ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian assert(VD && Init && "Passed null params"); 1208d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1209d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "setBlockVarCopyInits - not __block var"); 12101ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian BlockVarCopyInits[VD] = Init; 12111ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 12121ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 1213a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 1214b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1215a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 1216b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 1217b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1218b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 1219b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 1220b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 1221a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 12224ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned DataSize) const { 1223109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 1224109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 1225109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 1226109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 1227a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 1228109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 1229a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 1230a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 1231a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 1232a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 1233b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 1234b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1235a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 12366952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor SourceLocation L) const { 1237a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 1238c21c7e9c2cded68f91be15be6847c9649242dc17Douglas Gregor DI->getTypeLoc().initialize(const_cast<ASTContext &>(*this), L); 1239a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 1240a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 1241a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 1242b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 12434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) const { 1244b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 1245b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1246b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1247b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 12484ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCImplementationLayout( 12494ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ObjCImplementationDecl *D) const { 1250b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 1251b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1252b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1253a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1254a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 1255a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1256a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 12574ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 12583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallASTContext::getExtQualType(const Type *baseType, Qualifiers quals) const { 12593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned fastQuals = quals.getFastQualifiers(); 12603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall quals.removeFastQualifiers(); 12610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 12620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 12630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 12643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals::Profile(ID, baseType, quals); 12653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 12663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ExtQuals *eq = ExtQualNodes.FindNodeOrInsertPos(ID, insertPos)) { 12673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(eq->getQualifiers() == quals); 12683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 12690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 12700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 12713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the base type is not canonical, make the appropriate canonical type. 12723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 12733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!baseType->isCanonicalUnqualified()) { 12743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = baseType->getCanonicalTypeInternal().split(); 12753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonSplit.second.addConsistentQualifiers(quals); 12763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getExtQualType(canonSplit.first, canonSplit.second); 12773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 12783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Re-find the insert position. 12793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall (void) ExtQualNodes.FindNodeOrInsertPos(ID, insertPos); 12803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 12813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 12823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals *eq = new (*this, TypeAlignment) ExtQuals(baseType, canon, quals); 12833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQualNodes.InsertNode(eq, insertPos); 12843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 12850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 12860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 12874ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 12884ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) const { 1289f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1290f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1291f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1292b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 12930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 12940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 12950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 12960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 12971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 12990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 13000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 13010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 13020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 13031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1305ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1306ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1307b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 13084ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Qualifiers::GC GCAttr) const { 1309d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1310b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1311d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 13121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13137f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (const PointerType *ptr = T->getAs<PointerType>()) { 13147f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall QualType Pointee = ptr->getPointeeType(); 131558f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 13164027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 13174027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 13184027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 13194027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 13201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 13220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 13230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 13240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 13251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 13270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 13280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 13290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 13300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 13311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1333d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1334a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1335e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCallconst FunctionType *ASTContext::adjustFunctionType(const FunctionType *T, 1336e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionType::ExtInfo Info) { 1337e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (T->getExtInfo() == Info) 1338e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return T; 1339e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1340e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType Result; 1341e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(T)) { 1342e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionNoProtoType(FNPT->getResultType(), Info); 1343e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } else { 1344e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall const FunctionProtoType *FPT = cast<FunctionProtoType>(T); 1345e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 1346e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall EPI.ExtInfo = Info; 1347e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1348e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FPT->getNumArgs(), EPI); 1349e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 1350e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1351e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return cast<FunctionType>(Result.getTypePtr()); 1352e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall} 1353e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 13545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 13555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 13564ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getComplexType(QualType T) const { 13575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 13585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 13595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 13605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 13611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 13645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 13651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 13675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 13685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1369467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1370f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 13711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1374c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 13755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13766b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 13775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 13795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 13835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 13844ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPointerType(QualType T) const { 13855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 13865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 13875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 13885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 13891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 13925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 13931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 13955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 13965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1397467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1398f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 13991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1402c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14046b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 14055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 14075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 14115618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 14124ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockPointerType(QualType T) const { 1413296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1414296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 14155618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 14165618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 14175618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 14181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14195618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 14205618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 14215618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 14225618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 14231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 14255618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 14265618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1427467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 14285618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 14291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14305618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 14315618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 14325618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1433c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14345618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 14356b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 14366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 14375618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 14385618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 14395618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 14405618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 14415618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 14427c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 14437c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 14444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 14454ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) const { 14469625e44c0252485277a340746ed8ac950686156fDouglas Gregor assert(getCanonicalType(T) != OverloadTy && 14479625e44c0252485277a340746ed8ac950686156fDouglas Gregor "Unresolved overloaded function type"); 14489625e44c0252485277a340746ed8ac950686156fDouglas Gregor 14495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 14505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 14515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 145254e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 14535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14557c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 14567c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 14575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 14587c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 145954e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 146054e14c4db764c0636160d26c5bbf491637c83a76John McCall 14615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 14625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 14635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 146454e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 146554e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 146654e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 14677c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14687c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 14697c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 14707c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1471c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14727c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 14737c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14746b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 147554e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 147654e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 14777c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 14787c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 147954e14c4db764c0636160d26c5bbf491637c83a76John McCall 14807c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 14817c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 14827c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14837c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 14847c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 14854ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRValueReferenceType(QualType T) const { 14867c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 14877c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 14887c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 148954e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 14907c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14917c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 14927c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 14937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 14947c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 14957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 149654e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 149754e14c4db764c0636160d26c5bbf491637c83a76John McCall 14987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 14997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 15007c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 150154e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 150254e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 150354e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 15047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 15067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 15077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1508c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15116b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 15126b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 15135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 15147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 15155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1518f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1519f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 15204ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) const { 1521f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1522f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1523f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1524f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1525f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1526f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1527f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1528f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1529f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1530f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1531f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1532f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1533f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 153487c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1535f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1536f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1537f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1538f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1539f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1540c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 1541f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 15426b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 15436b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1544f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1545f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1546f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1547f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1548f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 15491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1550fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 15511eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 155238aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1553c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 155463e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals) const { 1555923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1556923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1557587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1558587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 155938aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 156038aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 156138aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 15629f71a8f4c7a182a5236da9e747d57cc1d1bd24c2Jay Foad ArySize = 1563207f4d8543529221932af82836016a2ef066c917Peter Collingbourne ArySize.zextOrTrunc(Target.getPointerWidth(getTargetAddressSpace(EltTy))); 15641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 156663e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, IndexTypeQuals); 15671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 15707192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 15715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 15721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the element type isn't canonical or has qualifiers, this won't 15743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // be a canonical type either, so fill in the canonical type field. 15753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 15763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 15773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 15783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getConstantArrayType(QualType(canonSplit.first, 0), ArySize, 157963e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ASM, IndexTypeQuals); 15803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getQualifiedType(Canon, canonSplit.second); 15813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 15825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 15831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 15847192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1585c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15886b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 158963e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType(EltTy, Canon, ArySize, ASM, IndexTypeQuals); 15907192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 15915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 15925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1595ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// getVariableArrayDecayedType - Turns the given type, which may be 1596ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// variably-modified, into the corresponding type with all the known 1597ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// sizes replaced with [*]. 1598ce8890371fcdb983ae487c87fa40606a34896ff7John McCallQualType ASTContext::getVariableArrayDecayedType(QualType type) const { 1599ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Vastly most common case. 1600ce8890371fcdb983ae487c87fa40606a34896ff7John McCall if (!type->isVariablyModifiedType()) return type; 1601ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1602ce8890371fcdb983ae487c87fa40606a34896ff7John McCall QualType result; 1603ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1604ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SplitQualType split = type.getSplitDesugaredType(); 1605ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const Type *ty = split.first; 1606ce8890371fcdb983ae487c87fa40606a34896ff7John McCall switch (ty->getTypeClass()) { 1607ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define TYPE(Class, Base) 1608ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define ABSTRACT_TYPE(Class, Base) 1609ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 1610ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#include "clang/AST/TypeNodes.def" 1611ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("didn't desugar past all non-canonical types?"); 1612ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1613ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types should never be variably-modified. 1614ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Builtin: 1615ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Complex: 1616ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Vector: 1617ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ExtVector: 1618ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedExtVector: 1619ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObject: 1620ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCInterface: 1621ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObjectPointer: 1622ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Record: 1623ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Enum: 1624ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::UnresolvedUsing: 1625ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOfExpr: 1626ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOf: 1627ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Decltype: 1628ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt case Type::UnaryTransform: 1629ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentName: 1630ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::InjectedClassName: 1631ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateSpecialization: 1632ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentTemplateSpecialization: 1633ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateTypeParm: 1634ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::SubstTemplateTypeParmPack: 163534b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: 1636ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::PackExpansion: 1637ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("type should never be variably-modified"); 1638ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1639ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified but should never need to 1640ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // further decay. 1641ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionNoProto: 1642ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionProto: 1643ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::BlockPointer: 1644ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::MemberPointer: 1645ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return type; 1646ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1647ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified. All these modifications 1648ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // preserve structure except as noted by comments. 1649ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // TODO: if we ever care about optimizing VLAs, there are no-op 1650ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // optimizations available here. 1651ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Pointer: 1652ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getPointerType(getVariableArrayDecayedType( 1653ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cast<PointerType>(ty)->getPointeeType())); 1654ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1655ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1656ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::LValueReference: { 1657ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const LValueReferenceType *lv = cast<LValueReferenceType>(ty); 1658ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getLValueReferenceType( 1659ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType()), 1660ce8890371fcdb983ae487c87fa40606a34896ff7John McCall lv->isSpelledAsLValue()); 1661ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1662745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1663ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1664ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::RValueReference: { 1665ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const RValueReferenceType *lv = cast<RValueReferenceType>(ty); 1666ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getRValueReferenceType( 1667ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType())); 1668ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1669745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1670745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1671ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ConstantArray: { 1672ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const ConstantArrayType *cat = cast<ConstantArrayType>(ty); 1673ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getConstantArrayType( 1674ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(cat->getElementType()), 1675ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSize(), 1676ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSizeModifier(), 1677ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getIndexTypeCVRQualifiers()); 1678ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1679745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1680745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1681ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedArray: { 1682ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const DependentSizedArrayType *dat = cast<DependentSizedArrayType>(ty); 1683ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getDependentSizedArrayType( 1684ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(dat->getElementType()), 1685ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeExpr(), 1686ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeModifier(), 1687ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getIndexTypeCVRQualifiers(), 1688ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getBracketsRange()); 1689ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1690ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1691ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1692ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn incomplete types into [*] types. 1693ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::IncompleteArray: { 1694ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const IncompleteArrayType *iat = cast<IncompleteArrayType>(ty); 1695ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1696ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(iat->getElementType()), 1697ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1698ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Normal, 1699ce8890371fcdb983ae487c87fa40606a34896ff7John McCall iat->getIndexTypeCVRQualifiers(), 1700ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SourceRange()); 1701ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1702ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1703ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1704ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn VLA types into [*] types. 1705ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::VariableArray: { 1706ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const VariableArrayType *vat = cast<VariableArrayType>(ty); 1707ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1708ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(vat->getElementType()), 1709ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1710ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Star, 1711ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getIndexTypeCVRQualifiers(), 1712ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getBracketsRange()); 1713ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1714ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1715ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1716ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1717ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Apply the top-level qualifiers from the original. 1718ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return getQualifiedType(result, split.second); 1719ce8890371fcdb983ae487c87fa40606a34896ff7John McCall} 1720745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1721bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1722bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 17237e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 17247e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1725c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 172663e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals, 17274ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceRange Brackets) const { 1728c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1729c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 17303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 1731715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 17323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Be sure to pull qualifiers off the element type. 17333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 17343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 17353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getVariableArrayType(QualType(canonSplit.first, 0), NumElts, ASM, 173663e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara IndexTypeQuals, Brackets); 17373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getQualifiedType(Canon, canonSplit.second); 1738715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor } 1739715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 17406b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 174163e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara VariableArrayType(EltTy, Canon, NumElts, ASM, IndexTypeQuals, Brackets); 1742c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1743c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1744c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1745c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1746c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1747c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1748898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1749898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 175004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 17513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getDependentSizedArrayType(QualType elementType, 17523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Expr *numElements, 1753898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 17543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals, 17553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SourceRange brackets) const { 17563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert((!numElements || numElements->isTypeDependent() || 17573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements->isValueDependent()) && 1758898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1759898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 17603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Dependently-sized array types that do not have a specified number 17613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of elements will have their sizes deduced from a dependent 17623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // initializer. We do no canonicalization here at all, which is okay 17633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // because they can't be used in most locations. 17643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!numElements) { 17653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *newType 17663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 17673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, QualType(), 17683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements, ASM, elementTypeQuals, 17693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 17703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 17713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1772cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1773cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 17743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we actually build a new type every time, but we 17753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // also build a canonical type. 17761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonElementType = getCanonicalType(elementType).split(); 1778898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 17793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 17803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall llvm::FoldingSetNodeID ID; 17813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType::Profile(ID, *this, 17823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(canonElementType.first, 0), 17833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, numElements); 17843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Look for an existing type with these properties. 17863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *canonTy = 17873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.FindNodeOrInsertPos(ID, insertPos); 17883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we don't have one, build one. 17903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!canonTy) { 17913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonTy = new (*this, TypeAlignment) 17923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, QualType(canonElementType.first, 0), 17933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(), numElements, ASM, elementTypeQuals, 17943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 17953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.InsertNode(canonTy, insertPos); 17963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(canonTy); 17973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 17983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Apply qualifiers from the element type to the array. 18003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon = getQualifiedType(QualType(canonTy,0), 18013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonElementType.second); 18023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we didn't need extra canonicalization for the element type, 18043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // then just use that as our result. 18053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (QualType(canonElementType.first, 0) == elementType) 18063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return canon; 18073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we need to build a type which follows the spelling 18093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of the element type. 18103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *sugaredType 18113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 18123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, canon, numElements, 18133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, brackets); 18143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(sugaredType); 18153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(sugaredType, 0); 18163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 18173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getIncompleteArrayType(QualType elementType, 1819c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 18203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals) const { 1821c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 18223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType::Profile(ID, elementType, ASM, elementTypeQuals); 1823c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 18243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 18253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (IncompleteArrayType *iat = 18263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos)) 18273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(iat, 0); 1828c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1829c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 18303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // either, so fill in the canonical type field. We also have to pull 18313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // qualifiers off the element type. 18323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 1833c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 18343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!elementType.isCanonical() || elementType.hasLocalQualifiers()) { 18353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(elementType).split(); 18363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getIncompleteArrayType(QualType(canonSplit.first, 0), 18373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals); 18383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getQualifiedType(canon, canonSplit.second); 1839c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1840c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 18413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *existing = 18423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos); 18433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!existing && "Shouldn't be in the map!"); (void) existing; 18442bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1845c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 18463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *newType = new (*this, TypeAlignment) 18473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType(elementType, canon, ASM, elementTypeQuals); 1848c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 18493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.InsertNode(newType, insertPos); 18503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 18513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1852fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1853fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 185473322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 185573322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 185682287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 18574ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad VectorType::VectorKind VecKind) const { 18583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(vecType->isBuiltinType()); 18591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 18615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1862e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::Profile(ID, vecType, NumElts, Type::Vector, VecKind); 1863788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 18645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 18655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 18665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 18675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 18695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 18705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1871255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (!vecType.isCanonical()) { 1872231da7eb3dd13007e5e40fffe48998e5ef284e06Bob Wilson Canonical = getVectorType(getCanonicalType(vecType), NumElts, VecKind); 18731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 18755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1876c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 18775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18786b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 1879e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(vecType, NumElts, Canonical, VecKind); 18805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 18815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 18825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 18835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1885213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 188673322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 18874ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 18884ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getExtVectorType(QualType vecType, unsigned NumElts) const { 18894ac01401b1ec602a1f58c217544d3dcb5fcbd7f1Douglas Gregor assert(vecType->isBuiltinType() || vecType->isDependentType()); 18901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 189173322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 189273322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 1893788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, 1894e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 189573322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 189673322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 189773322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 189873322924127c873c13101b705dd823f5539ffa5fSteve Naroff 189973322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 190073322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 190173322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1902467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1903213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 19041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 190573322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 190673322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1907c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 190873322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 19096b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 19106b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 191173322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 191273322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 191373322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 191473322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 191573322924127c873c13101b705dd823f5539ffa5fSteve Naroff 19164ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 19174ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentSizedExtVectorType(QualType vecType, 19184ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Expr *SizeExpr, 19194ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation AttrLoc) const { 19202ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 19211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 19222ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 19231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19242ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 19252ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 19262ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 19272ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 19282ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 19292ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 19302ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 19316b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 19326b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 19336b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 19342ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 19352ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 19362ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 19376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 19386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 19396b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 1940789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1941789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 1942789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1943789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 1944789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 19452ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 19462ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 19472ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 19482ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 19496b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 19506b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 19512ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 19522ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 19531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19549cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 19559cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 19569cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 19579cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 195872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 19595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 19604ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 19614ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionNoProtoType(QualType ResultTy, 19624ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionType::ExtInfo &Info) const { 1963cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv DefaultCC = Info.getCC(); 1964cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv CallConv = (LangOpts.MRTD && DefaultCC == CC_Default) ? 1965cfe9af250f466e7e38becea4428990448ae07737Roman Divacky CC_X86StdCall : DefaultCC; 19665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 19675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 19685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1969264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 19701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 19721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 197372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 19745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 19751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1977ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 197804a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 1979264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 1980264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 1981264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 19821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 198472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 198572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1986c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 19875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1989cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionProtoType::ExtInfo newInfo = Info.withCallingConv(CallConv); 19906b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 1991cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionNoProtoType(ResultTy, Canonical, newInfo); 19925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 199372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 19945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 19955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 19965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 19985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 19994ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 20004ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionType(QualType ResultTy, 20014ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const QualType *ArgArray, unsigned NumArgs, 20024ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionProtoType::ExtProtoInfo &EPI) const { 20035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 20045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 20055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 20068026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, EPI, *this); 20075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 20091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 201072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 20115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 2012465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2013465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 20148b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl bool isCanonical= EPI.ExceptionSpecType == EST_None && ResultTy.isCanonical(); 20155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 201654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 20175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 20185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2019cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv DefaultCC = EPI.ExtInfo.getCC(); 2020cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv CallConv = (LangOpts.MRTD && DefaultCC == CC_Default) ? 2021cfe9af250f466e7e38becea4428990448ae07737Roman Divacky CC_X86StdCall : DefaultCC; 2022e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 20235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 2024465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 20255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 202604a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 20275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> CanonicalArgs; 20285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 20295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 203054e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 2031465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2032e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo CanonicalEPI = EPI; 20338b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl CanonicalEPI.ExceptionSpecType = EST_None; 20348b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl CanonicalEPI.NumExceptions = 0; 2035e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.ExtInfo 2036e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall = CanonicalEPI.ExtInfo.withCallingConv(getCanonicalCallConv(CallConv)); 2037e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2038f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 2039beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 2040e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI); 2041465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 20425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 204372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 204472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 2045c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 20465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2047465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2048f85e193739c953358c865005855253af4f68a497John McCall // FunctionProtoType objects are allocated with extra bytes after 2049f85e193739c953358c865005855253af4f68a497John McCall // them for three variable size arrays at the end: 2050f85e193739c953358c865005855253af4f68a497John McCall // - parameter types 2051f85e193739c953358c865005855253af4f68a497John McCall // - exception types 2052f85e193739c953358c865005855253af4f68a497John McCall // - consumed-arguments flags 2053f85e193739c953358c865005855253af4f68a497John McCall // Instead of the exception types, there could be a noexcept 2054f85e193739c953358c865005855253af4f68a497John McCall // expression. 2055e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall size_t Size = sizeof(FunctionProtoType) + 205660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NumArgs * sizeof(QualType); 205760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EPI.ExceptionSpecType == EST_Dynamic) 205860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl Size += EPI.NumExceptions * sizeof(QualType); 205960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl else if (EPI.ExceptionSpecType == EST_ComputedNoexcept) { 20608026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl Size += sizeof(Expr*); 206160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 2062f85e193739c953358c865005855253af4f68a497John McCall if (EPI.ConsumedArguments) 2063f85e193739c953358c865005855253af4f68a497John McCall Size += NumArgs * sizeof(bool); 2064f85e193739c953358c865005855253af4f68a497John McCall 2065e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType *FTP = (FunctionProtoType*) Allocate(Size, TypeAlignment); 2066cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionProtoType::ExtProtoInfo newEPI = EPI; 2067cfe9af250f466e7e38becea4428990448ae07737Roman Divacky newEPI.ExtInfo = EPI.ExtInfo.withCallingConv(CallConv); 20688026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, Canonical, newEPI); 20695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 207072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 20715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 20725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 20735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20743cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 20753cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 20763cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 20773cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 20783cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 20793cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 20803cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 20813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 20823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 20833cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 20843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 20853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 20863cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 20873cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 20883cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 20893cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 20904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType TST) const { 20913cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 20923cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 20933cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 209437ffed3b7f229844cae2463ff82b527506c86c74Argyrios Kyrtzidis } else if (CXXRecordDecl *PrevDecl = Decl->getPreviousDeclaration()) { 20953cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 20963cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 20973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 20983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 2099f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = 210031f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 2101f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2102f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 21033cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 21043cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 21053cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 21063cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 21072ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 21082ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 21094ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) const { 21101e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 2111becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 21121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2113162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (const TypedefNameDecl *Typedef = dyn_cast<TypedefNameDecl>(Decl)) 21142ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 2115becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 2116becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 2117becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 2118becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 211919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 2120becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 2121becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 2122becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 2123400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getRecordType(Record); 212419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 2125becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 2126becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 2127400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getEnumType(Enum); 212819c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 2129ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 2130f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = new (*this, TypeAlignment) UnresolvedUsingType(Using); 2131f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2132f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 21339fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 2134becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 213549aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 213649aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 21372ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 21382ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 21395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 2140162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// specified typedef name decl. 21419763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2142162e1c1b487352434552147967c3dd296ebee2f7Richard SmithASTContext::getTypedefType(const TypedefNameDecl *Decl, 2143162e1c1b487352434552147967c3dd296ebee2f7Richard Smith QualType Canonical) const { 21445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 21451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21469763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (Canonical.isNull()) 21479763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canonical = getCanonicalType(Decl->getUnderlyingType()); 2148f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall TypedefType *newType = new(*this, TypeAlignment) 21496b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 2150f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2151f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2152f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 21535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 21545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21554ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRecordType(const RecordDecl *Decl) const { 2156400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2157400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2158400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const RecordDecl *PrevDecl = Decl->getPreviousDeclaration()) 2159400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2160400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2161400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2162f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall RecordType *newType = new (*this, TypeAlignment) RecordType(Decl); 2163f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2164f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2165f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2166400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2167400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 21684ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getEnumType(const EnumDecl *Decl) const { 2169400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2170400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2171400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const EnumDecl *PrevDecl = Decl->getPreviousDeclaration()) 2172400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2173400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2174400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2175f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall EnumType *newType = new (*this, TypeAlignment) EnumType(Decl); 2176f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2177f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2178f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2179400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2180400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 21819d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallQualType ASTContext::getAttributedType(AttributedType::Kind attrKind, 21829d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modifiedType, 21839d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType equivalentType) { 21849d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall llvm::FoldingSetNodeID id; 21859d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType::Profile(id, attrKind, modifiedType, equivalentType); 21869d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 21879d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall void *insertPos = 0; 21889d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType *type = AttributedTypes.FindNodeOrInsertPos(id, insertPos); 21899d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall if (type) return QualType(type, 0); 21909d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 21919d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType canon = getCanonicalType(equivalentType); 21929d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall type = new (*this, TypeAlignment) 21939d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType(canon, attrKind, modifiedType, equivalentType); 21949d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 21959d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Types.push_back(type); 21969d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypes.InsertNode(type, insertPos); 21979d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 21989d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return QualType(type, 0); 21999d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall} 22009d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 22019d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 220249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 220349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 220449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 22054ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Replacement) const { 2206467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 220749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 220849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 220949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 221049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 221149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 221249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 221349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 221449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 221549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 221649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 221749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 221849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 221949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 222049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 222149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 222249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 222349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 222449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 2225c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// \brief Retrieve a 2226c3069d618f4661d923cb1b5c4525b082fce73b04Douglas GregorQualType ASTContext::getSubstTemplateTypeParmPackType( 2227c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Parm, 2228c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack) { 2229c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#ifndef NDEBUG 2230c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor for (TemplateArgument::pack_iterator P = ArgPack.pack_begin(), 2231c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor PEnd = ArgPack.pack_end(); 2232c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor P != PEnd; ++P) { 2233c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getKind() == TemplateArgument::Type &&"Pack contains a non-type"); 2234c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getAsType().isCanonical() && "Pack contains non-canonical type"); 2235c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2236c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#endif 2237c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2238c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor llvm::FoldingSetNodeID ID; 2239c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType::Profile(ID, Parm, ArgPack); 2240c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor void *InsertPos = 0; 2241c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (SubstTemplateTypeParmPackType *SubstParm 2242c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos)) 2243c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2244c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2245c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType Canon; 2246c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (!Parm->isCanonicalUnqualified()) { 2247c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getCanonicalType(QualType(Parm, 0)); 2248c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getSubstTemplateTypeParmPackType(cast<TemplateTypeParmType>(Canon), 2249c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2250c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos); 2251c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2252c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2253c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType *SubstParm 2254c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = new (*this, TypeAlignment) SubstTemplateTypeParmPackType(Parm, Canon, 2255c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2256c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Types.push_back(SubstParm); 2257c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 2258c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2259c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor} 2260c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2261fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 22621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 226376e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 22641eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 226576e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 22664fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *TTPDecl) const { 2267fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 22684fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, TTPDecl); 2269fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 22701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 2271fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2272fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2273fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 2274fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 22751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22764fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth if (TTPDecl) { 227776e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 22784fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TypeParm = new (*this, TypeAlignment) TemplateTypeParmType(TTPDecl, Canon); 2279789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2280789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 2281789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2282789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 2283789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 228476e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 22856b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 22866b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 2287fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2288fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 2289fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 2290fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2291fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 2292fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 2293fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 22943cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 22953cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 22963cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 22973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 22983e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 22997c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Name.getAsDependentTemplateName() && 23007c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 23013e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType TST = getTemplateSpecializationType(Name, Args, Underlying); 23023cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 23033cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 23043cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 23053cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 23063cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 23073cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 23083cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 23093cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 23103cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 23113cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 23123cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 23133cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 23141eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 23157532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 2316d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 23173e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 23187c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 23197c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 23207c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 2321d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 2322d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 2323833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall llvm::SmallVector<TemplateArgument, 4> ArgVec; 2324833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 2325833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 2326833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 2327833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 232831f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 23293e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Underlying); 2330833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 2331833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2332833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 2333833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 23347532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 23357532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 23363e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 23377c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 23387c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 23390f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor // Look through qualified template names. 23400f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) 23410f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor Template = TemplateName(QTN->getTemplateDecl()); 23427c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 23433e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith bool isTypeAlias = 23443e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Template.getAsTemplateDecl() && 23453e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith isa<TypeAliasTemplateDecl>(Template.getAsTemplateDecl()); 23463e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 23473e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType CanonType; 23483e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (!Underlying.isNull()) 23493e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType = getCanonicalType(Underlying); 23503e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else { 23513e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith assert(!isTypeAlias && 23523e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith "Underlying type for template alias must be computed by caller"); 23533e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType = getCanonicalTemplateSpecializationType(Template, Args, 23543e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith NumArgs); 23553e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 2356fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 23571275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 23581275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 23591275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 23603e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith void *Mem = Allocate(sizeof(TemplateSpecializationType) + 23613e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith sizeof(TemplateArgument) * NumArgs + 23623e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith (isTypeAlias ? sizeof(QualType) : 0), 23636b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 23641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 2365ef99001908e799c388f1363b1e607dad5f5b57d3John McCall = new (Mem) TemplateSpecializationType(Template, 236631f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 23673e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType, 23683e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith isTypeAlias ? Underlying : QualType()); 23691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 237055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 23711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 237255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 237355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 23741eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 23759763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getCanonicalTemplateSpecializationType(TemplateName Template, 23769763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis const TemplateArgument *Args, 23774ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumArgs) const { 23787c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 23797c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 23803e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith assert((!Template.getAsTemplateDecl() || 23813e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith !isa<TypeAliasTemplateDecl>(Template.getAsTemplateDecl())) && 23823e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith "Underlying type for template alias must be computed by caller"); 23833e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 23840f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor // Look through qualified template names. 23850f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) 23860f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor Template = TemplateName(QTN->getTemplateDecl()); 23877c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 23889763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Build the canonical template specialization type. 23899763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateName CanonTemplate = getCanonicalTemplateName(Template); 23909763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::SmallVector<TemplateArgument, 4> CanonArgs; 23919763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.reserve(NumArgs); 23929763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis for (unsigned I = 0; I != NumArgs; ++I) 23939763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 23949763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 23959763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Determine whether this canonical template specialization type already 23969763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // exists. 23979763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::FoldingSetNodeID ID; 23989763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType::Profile(ID, CanonTemplate, 23999763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, *this); 24009763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24019763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *InsertPos = 0; 24029763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType *Spec 24039763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 24049763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24059763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (!Spec) { 24069763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Allocate a new canonical template specialization type. 24079763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *Mem = Allocate((sizeof(TemplateSpecializationType) + 24089763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis sizeof(TemplateArgument) * NumArgs), 24099763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TypeAlignment); 24109763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Spec = new (Mem) TemplateSpecializationType(CanonTemplate, 24119763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, 24123e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType(), QualType()); 24139763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Types.push_back(Spec); 24149763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 24159763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis } 24169763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24179763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis assert(Spec->isDependentType() && 24189763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis "Non-dependent template-id type must have a canonical type"); 24199763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis return QualType(Spec, 0); 24209763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis} 24219763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24229763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2423465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 2424465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 24254ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType NamedType) const { 2426e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 2427465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 2428e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2429e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 2430465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2431e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 2432e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2433e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2434789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 2435789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 2436789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 2437465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2438465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 2439789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 2440789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 2441789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2442465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 2443e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 2444465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 2445e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2446e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 2447e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2448075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo BagnaraQualType 24494ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getParenType(QualType InnerType) const { 2450075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara llvm::FoldingSetNodeID ID; 2451075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType::Profile(ID, InnerType); 2452075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2453075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void *InsertPos = 0; 2454075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *T = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2455075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (T) 2456075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2457075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2458075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Canon = InnerType; 2459075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (!Canon.isCanonical()) { 2460075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Canon = getCanonicalType(InnerType); 2461075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *CheckT = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2462075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara assert(!CheckT && "Paren canonical type broken"); 2463075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara (void)CheckT; 2464075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 2465075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2466075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara T = new (*this) ParenType(InnerType, Canon); 2467075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Types.push_back(T); 2468075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenTypes.InsertNode(T, InsertPos); 2469075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2470075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara} 2471075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 24724a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 24734a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 24744a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 24754ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Canon) const { 2476d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 2477d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2478d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 2479d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 24804a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 24814a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 24824a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 24834a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 24844a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 24854a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 2486d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2487d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2488d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 24894a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 2490d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2491d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 24924714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 24934714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 2494d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 2495d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 2496d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 24974a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 2498d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 24994714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 25001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 2501d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2502d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 25031eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 250433500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 250533500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 25064a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 250733500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 25084ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgumentListInfo &Args) const { 250933500955d731c73717af52088b7fc0e7a85681e7John McCall // TODO: avoid this copy 251033500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> ArgCopy; 251133500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0, E = Args.size(); I != E; ++I) 251233500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.push_back(Args[I].getArgument()); 251333500955d731c73717af52088b7fc0e7a85681e7John McCall return getDependentTemplateSpecializationType(Keyword, NNS, Name, 251433500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.size(), 251533500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.data()); 251633500955d731c73717af52088b7fc0e7a85681e7John McCall} 251733500955d731c73717af52088b7fc0e7a85681e7John McCall 251833500955d731c73717af52088b7fc0e7a85681e7John McCallQualType 251933500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 252033500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 252133500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 252233500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 252333500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 25244ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgument *Args) const { 2525aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor assert((!NNS || NNS->isDependent()) && 2526aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor "nested-name-specifier must be dependent"); 25271734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2528789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 252933500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType::Profile(ID, *this, Keyword, NNS, 253033500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args); 2531789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2532789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 253333500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType *T 253433500955d731c73717af52088b7fc0e7a85681e7John McCall = DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 2535789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 2536789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 2537789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 253833500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 253933500955d731c73717af52088b7fc0e7a85681e7John McCall 254033500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword CanonKeyword = Keyword; 254133500955d731c73717af52088b7fc0e7a85681e7John McCall if (Keyword == ETK_None) CanonKeyword = ETK_Typename; 25421734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 254333500955d731c73717af52088b7fc0e7a85681e7John McCall bool AnyNonCanonArgs = false; 254433500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> CanonArgs(NumArgs); 254533500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0; I != NumArgs; ++I) { 254633500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs[I] = getCanonicalTemplateArgument(Args[I]); 254733500955d731c73717af52088b7fc0e7a85681e7John McCall if (!CanonArgs[I].structurallyEquals(Args[I])) 254833500955d731c73717af52088b7fc0e7a85681e7John McCall AnyNonCanonArgs = true; 2549789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 25501734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 255133500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon; 255233500955d731c73717af52088b7fc0e7a85681e7John McCall if (AnyNonCanonArgs || CanonNNS != NNS || CanonKeyword != Keyword) { 255333500955d731c73717af52088b7fc0e7a85681e7John McCall Canon = getDependentTemplateSpecializationType(CanonKeyword, CanonNNS, 255433500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, 255533500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs.data()); 255633500955d731c73717af52088b7fc0e7a85681e7John McCall 255733500955d731c73717af52088b7fc0e7a85681e7John McCall // Find the insert position again. 255833500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 255933500955d731c73717af52088b7fc0e7a85681e7John McCall } 256033500955d731c73717af52088b7fc0e7a85681e7John McCall 256133500955d731c73717af52088b7fc0e7a85681e7John McCall void *Mem = Allocate((sizeof(DependentTemplateSpecializationType) + 256233500955d731c73717af52088b7fc0e7a85681e7John McCall sizeof(TemplateArgument) * NumArgs), 256333500955d731c73717af52088b7fc0e7a85681e7John McCall TypeAlignment); 2564ef99001908e799c388f1363b1e607dad5f5b57d3John McCall T = new (Mem) DependentTemplateSpecializationType(Keyword, NNS, 256533500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args, Canon); 25661734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 256733500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.InsertNode(T, InsertPos); 25681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 25691734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 25701734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2571cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas GregorQualType ASTContext::getPackExpansionType(QualType Pattern, 2572cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) { 25737536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor llvm::FoldingSetNodeID ID; 2574cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor PackExpansionType::Profile(ID, Pattern, NumExpansions); 25757536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 25767536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor assert(Pattern->containsUnexpandedParameterPack() && 25777536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor "Pack expansions must expand one or more parameter packs"); 25787536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void *InsertPos = 0; 25797536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionType *T 25807536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor = PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 25817536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (T) 25827536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 25837536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 25847536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Canon; 25857536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (!Pattern.isCanonical()) { 2586cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Canon = getPackExpansionType(getCanonicalType(Pattern), NumExpansions); 25877536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 25887536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor // Find the insert position again. 25897536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 25907536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 25917536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 2592cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor T = new (*this) PackExpansionType(Pattern, Canon, NumExpansions); 25937536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor Types.push_back(T); 25947536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.InsertNode(T, InsertPos); 25957536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 25967536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor} 25977536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 259888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 259988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 260088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 260188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 26022e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 260388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 260488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2605c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 260654e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 260754e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 260854e14c4db764c0636160d26c5bbf491637c83a76John McCall 260954e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 261054e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 261154e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 261254e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 261354e14c4db764c0636160d26c5bbf491637c83a76John McCall} 261454e14c4db764c0636160d26c5bbf491637c83a76John McCall 261554e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 261688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 261788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 26181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 261988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 262088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 262188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 262288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 262388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 262488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 262588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 262688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2627c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2628c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 26294ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumProtocols) const { 2630c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2631c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2632c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2633c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2634d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2635c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2636c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2637c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2638d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2639c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2640c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2641d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2642c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2643c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 264454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2645c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2646c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2647c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 26480237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 26490237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 265054e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 265154e14c4db764c0636160d26c5bbf491637c83a76John McCall 265254e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2653c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2654c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 265554e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2656c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2657c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 265854e14c4db764c0636160d26c5bbf491637c83a76John McCall } 265954e14c4db764c0636160d26c5bbf491637c83a76John McCall 266054e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2661c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 266254e14c4db764c0636160d26c5bbf491637c83a76John McCall } 266354e14c4db764c0636160d26c5bbf491637c83a76John McCall 2664c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2665c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2666fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2667c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2668c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 26691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2670c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2671c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2672c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2673d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 267488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2675c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2676c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 26774ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) const { 26784b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2679c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 26801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26814b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2682c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2683c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 26844b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 26851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2686c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 268754e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2688c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2689c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 269054e14c4db764c0636160d26c5bbf491637c83a76John McCall 2691c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2692c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 269354e14c4db764c0636160d26c5bbf491637c83a76John McCall } 269454e14c4db764c0636160d26c5bbf491637c83a76John McCall 2695c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2696c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2697c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2698c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 269924fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 270024fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2701c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 270224fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 270324fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 270424fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2705deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// getObjCInterfaceType - Return the unique reference to the type for the 2706deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// specified ObjC interface decl. The list of protocols is optional. 27074ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) const { 2708deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor if (Decl->TypeForDecl) 2709deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(Decl->TypeForDecl, 0); 271074c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl 2711deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor // FIXME: redeclarations? 2712deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2713deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2714deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Decl->TypeForDecl = T; 2715deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Types.push_back(T); 2716deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(T, 0); 2717c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2718c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 271972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 272072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 27219752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 27221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 27239752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 27244ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfExprType(Expr *tofExpr) const { 2725dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2726b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2727b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2728b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 27291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2730b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2731b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2732b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2733b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2734b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2735b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 27366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2737b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 2738b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2739b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor else { 2740b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 27416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 27426b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2743b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2744b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2745b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2746b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2747dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 27486b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2749dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 27509752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 27519752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2752d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2753d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 27549752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 27559752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 27569752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 27571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 27589752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 27594ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfType(QualType tofType) const { 2760f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 27616b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 27629752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 27639752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2764d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2765d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 276660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 276760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 27684ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType getDecltypeForExpr(const Expr *e, const ASTContext &Context) { 2769a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2770a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 27711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 277260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 277360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 277460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 277560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 277660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 277760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 277860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 277960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 278060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 278160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 278260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 278360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 278460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 278560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 278660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 27871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 278860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 27891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 279160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 27927eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall if (e->isLValue()) 279360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 27941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 279560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 279660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 279760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2798395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2799395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2800395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 28011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2802395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 28034ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getDecltypeType(Expr *e) const { 2804dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 2805561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor 2806561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // C++0x [temp.type]p2: 2807561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // If an expression e involves a template parameter, decltype(e) denotes a 2808561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // unique dependent type. Two such decltype-specifiers refer to the same 2809561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // type only if their expressions are equivalent (14.5.6.1). 2810561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (e->isInstantiationDependent()) { 28119d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 28129d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 28131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28149d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 28159d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 28169d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 28179d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 28189d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 28199d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 28206b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 28219d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 28229d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 28239d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor else { 28249d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 28256b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 28269d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 28279d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 28289d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 28299d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2830dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 28316b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2832dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2833395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2834395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2835395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2836395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 2837ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// getUnaryTransformationType - We don't unique these, since the memory 2838ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// savings are minimal and these are rare. 2839ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean HuntQualType ASTContext::getUnaryTransformType(QualType BaseType, 2840ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType UnderlyingType, 2841ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType::UTTKind Kind) 2842ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt const { 2843ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType *Ty = 284469d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor new (*this, TypeAlignment) UnaryTransformType (BaseType, UnderlyingType, 284569d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor Kind, 284669d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor UnderlyingType->isDependentType() ? 284769d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor QualType() : UnderlyingType); 2848ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt Types.push_back(Ty); 2849ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return QualType(Ty, 0); 2850ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt} 2851ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 2852483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith/// getAutoType - We only unique auto types after they've been deduced. 285334b41d939a1328f484511c6002ba2456db879a29Richard SmithQualType ASTContext::getAutoType(QualType DeducedType) const { 2854483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith void *InsertPos = 0; 2855483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (!DeducedType.isNull()) { 2856483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith // Look in the folding set for an existing type. 2857483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith llvm::FoldingSetNodeID ID; 2858483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType::Profile(ID, DeducedType); 2859483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (AutoType *AT = AutoTypes.FindNodeOrInsertPos(ID, InsertPos)) 2860483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 2861483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith } 2862483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith 2863483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType *AT = new (*this, TypeAlignment) AutoType(DeducedType); 2864483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith Types.push_back(AT); 2865483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (InsertPos) 2866483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoTypes.InsertNode(AT, InsertPos); 2867483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 286834b41d939a1328f484511c6002ba2456db879a29Richard Smith} 286934b41d939a1328f484511c6002ba2456db879a29Richard Smith 2870ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith/// getAutoDeductType - Get type pattern for deducing against 'auto'. 2871ad762fcdc16b9e4705b12b09d92b8c026212b906Richard SmithQualType ASTContext::getAutoDeductType() const { 2872ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith if (AutoDeductTy.isNull()) 2873ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith AutoDeductTy = getAutoType(QualType()); 2874ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert(!AutoDeductTy.isNull() && "can't build 'auto' pattern"); 2875ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith return AutoDeductTy; 2876ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith} 2877ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 2878ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith/// getAutoRRefDeductType - Get type pattern for deducing against 'auto &&'. 2879ad762fcdc16b9e4705b12b09d92b8c026212b906Richard SmithQualType ASTContext::getAutoRRefDeductType() const { 2880ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith if (AutoRRefDeductTy.isNull()) 2881ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith AutoRRefDeductTy = getRValueReferenceType(getAutoDeductType()); 2882ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert(!AutoRRefDeductTy.isNull() && "can't build 'auto &&' pattern"); 2883ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith return AutoRRefDeductTy; 2884ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith} 2885ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 28865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 28875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 28884ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTagDeclType(const TagDecl *Decl) const { 2889d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2890e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2891e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2892e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 28935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 28945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 28951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 28961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 28971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 2898a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 2899b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 29005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 29015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 290264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 290364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 290464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 290564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 290664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 290764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 290864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 290964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 291064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 291164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 291264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 291364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 291464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 291564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 29168b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 29178b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 29188b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 2919b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 29208b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 29218b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 2922e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2923e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 2924e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2925e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 29264ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCanQualType ASTContext::getCanonicalParamType(QualType T) const { 292754e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 292854e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 292954e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 2930745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = getVariableArrayDecayedType(T); 293154e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 293254e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 293354e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 293454e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 293554e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 293654e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 293754e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 293854e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 293954e14c4db764c0636160d26c5bbf491637c83a76John McCall } 294054e14c4db764c0636160d26c5bbf491637c83a76John McCall 294154e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 294254e14c4db764c0636160d26c5bbf491637c83a76John McCall} 294354e14c4db764c0636160d26c5bbf491637c83a76John McCall 294462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallQualType ASTContext::getUnqualifiedArrayType(QualType type, 294562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers &quals) { 294662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall SplitQualType splitType = type.getSplitUnqualifiedType(); 294762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 294862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // FIXME: getSplitUnqualifiedType() actually walks all the way to 294962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // the unqualified desugared type and then drops it on the floor. 295062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // We then have to strip that sugar back off with 295162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // getUnqualifiedDesugaredType(), which is silly. 295262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall const ArrayType *AT = 295362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall dyn_cast<ArrayType>(splitType.first->getUnqualifiedDesugaredType()); 295462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 295562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If we don't have an array, just use the results in splitType. 29569dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 295762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals = splitType.second; 295862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(splitType.first, 0); 295928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 296028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 296162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, recurse on the array's element type. 296262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType elementType = AT->getElementType(); 296362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType unqualElementType = getUnqualifiedArrayType(elementType, quals); 296462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 296562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If that didn't change the element type, AT has no qualifiers, so we 296662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // can just use the results in splitType. 296762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (elementType == unqualElementType) { 296862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(quals.empty()); // from the recursive call 296962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals = splitType.second; 297062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(splitType.first, 0); 297162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 297262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 297362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, add in the qualifiers from the outermost type, then 297462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // build the type back up. 297562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals.addConsistentQualifiers(splitType.second); 297628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 29779dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 297862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getConstantArrayType(unqualElementType, CAT->getSize(), 297928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 298028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 298128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 29829dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 298362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getIncompleteArrayType(unqualElementType, IAT->getSizeModifier(), 0); 298428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 298528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 29869dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 298762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getVariableArrayType(unqualElementType, 29883fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 29899dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 29909dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 29919dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 29929dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 29939dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 29949dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 299562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getDependentSizedArrayType(unqualElementType, DSAT->getSizeExpr(), 299628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 299728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 299828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 299928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 30005a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// UnwrapSimilarPointerTypes - If T1 and T2 are pointer types that 30015a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// may be similar (C++ 4.4), replaces T1 and T2 with the type that 30025a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// they point to and return true. If T1 and T2 aren't pointer types 30035a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// or pointer-to-member types, or if they are not similar at this 30045a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// level, returns false and leaves T1 and T2 unchanged. Top-level 30055a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// qualifiers on T1 and T2 are ignored. This function will typically 30065a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// be called in a loop that successively "unwraps" pointer and 30075a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// pointer-to-member types to compare them at each level. 30085a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregorbool ASTContext::UnwrapSimilarPointerTypes(QualType &T1, QualType &T2) { 30095a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const PointerType *T1PtrType = T1->getAs<PointerType>(), 30105a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2PtrType = T2->getAs<PointerType>(); 30115a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1PtrType && T2PtrType) { 30125a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1PtrType->getPointeeType(); 30135a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2PtrType->getPointeeType(); 30145a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 30155a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 30165a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30175a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const MemberPointerType *T1MPType = T1->getAs<MemberPointerType>(), 30185a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2MPType = T2->getAs<MemberPointerType>(); 30195a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1MPType && T2MPType && 30205a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor hasSameUnqualifiedType(QualType(T1MPType->getClass(), 0), 30215a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor QualType(T2MPType->getClass(), 0))) { 30225a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1MPType->getPointeeType(); 30235a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2MPType->getPointeeType(); 30245a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 30255a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 30265a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30275a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (getLangOptions().ObjC1) { 30285a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const ObjCObjectPointerType *T1OPType = T1->getAs<ObjCObjectPointerType>(), 30295a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2OPType = T2->getAs<ObjCObjectPointerType>(); 30305a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1OPType && T2OPType) { 30315a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1OPType->getPointeeType(); 30325a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2OPType->getPointeeType(); 30335a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 30345a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 30355a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 30365a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30375a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor // FIXME: Block pointers, too? 30385a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30395a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return false; 30405a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor} 30415a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30424ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadDeclarationNameInfo 30434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getNameForTemplate(TemplateName Name, 30444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation NameLoc) const { 3045146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall switch (Name.getKind()) { 3046146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::QualifiedTemplate: 3047146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::Template: 30482577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 3049146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(Name.getAsTemplateDecl()->getDeclName(), 3050146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 30512577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 3052146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::OverloadedTemplate: { 3053146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 3054146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall // DNInfo work in progress: CHECKME: what about DNLoc? 3055146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo((*Storage->begin())->getDeclName(), NameLoc); 3056146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3057146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3058146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::DependentTemplate: { 3059146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 30602577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName DName; 306180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 30622577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getIdentifier(DTN->getIdentifier()); 30632577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc); 306480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 30652577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getCXXOperatorName(DTN->getOperator()); 30662577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: FIXME: source locations? 30672577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc DNLoc; 30682577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.BeginOpNameLoc = SourceLocation().getRawEncoding(); 30692577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.EndOpNameLoc = SourceLocation().getRawEncoding(); 30702577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc, DNLoc); 307180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 307280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 307380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 3074146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParm: { 3075146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 3076146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParm(); 3077146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(subst->getParameter()->getDeclName(), 3078146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 3079146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3080146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3081146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParmPack: { 3082146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmPackStorage *subst 3083146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParmPack(); 3084146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(subst->getParameterPack()->getDeclName(), 3085146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 3086146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3087146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3088146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3089146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("bad template name kind!"); 309080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 309180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 30924ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) const { 3093146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall switch (Name.getKind()) { 3094146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::QualifiedTemplate: 3095146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::Template: { 3096146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateDecl *Template = Name.getAsTemplateDecl(); 30973e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTemplateParmDecl *TTP 3098146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = dyn_cast<TemplateTemplateParmDecl>(Template)) 30993e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Template = getCanonicalTemplateTemplateParmDecl(TTP); 31003e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 31013e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // The canonical template name is the canonical template declaration. 310297fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 31033e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 310425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 3105146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::OverloadedTemplate: 3106146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("cannot canonicalize overloaded template"); 3107146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3108146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::DependentTemplate: { 3109146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 3110146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall assert(DTN && "Non-dependent template names must refer to template decls."); 3111146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DTN->CanonicalTemplateName; 3112146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3113146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3114146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParm: { 3115146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 3116146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParm(); 3117146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return getCanonicalTemplateName(subst->getReplacement()); 31181aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 31191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3120146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParmPack: { 3121146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmPackStorage *subst 3122146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParmPack(); 3123146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateTemplateParmDecl *canonParameter 3124146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = getCanonicalTemplateTemplateParmDecl(subst->getParameterPack()); 3125146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateArgument canonArgPack 3126146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = getCanonicalTemplateArgument(subst->getArgumentPack()); 3127146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return getSubstTemplateTemplateParmPack(canonParameter, canonArgPack); 3128146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3129146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3130146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3131146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("bad template name!"); 313225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 313325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 3134db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 3135db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 3136db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 3137db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 3138db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 3139db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 31401eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 31414ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) const { 31421275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 31431275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 31441275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 31451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31461275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 31471275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 31481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31491275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 3150833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 31511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3152788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 3153788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 3154a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 3155a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor case TemplateArgument::TemplateExpansion: 3156a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor return TemplateArgument(getCanonicalTemplateName( 3157a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor Arg.getAsTemplateOrTemplatePattern()), 31582be29f423acad3bbe39099a78db2805acb5bdf17Douglas Gregor Arg.getNumTemplateExpansions()); 3159a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 31601275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 3161833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 31621275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 31631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31641275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 3165833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 31661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31671275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 316887dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor if (Arg.pack_size() == 0) 316987dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor return Arg; 317087dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor 3171910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgument *CanonArgs 3172910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor = new (*this) TemplateArgument[Arg.pack_size()]; 31731275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 31741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 31751275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 31761275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 31771275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 31781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3179910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor return TemplateArgument(CanonArgs, Arg.pack_size()); 31801275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 31811275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 31821275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 31831275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 31841275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 31851275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 31861275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 31871275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 3188d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 31894ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) const { 31901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 3191d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 3192d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3193d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 3194d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 3195d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 31961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 3197d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 3198d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 3199d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3200d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 3201d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 3202d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 320314aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 320414aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespace()->getOriginalNamespace()); 320514aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor 320614aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor case NestedNameSpecifier::NamespaceAlias: 320714aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 320814aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // this namespace and no prefix. 320914aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 321014aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespaceAlias()->getNamespace() 321114aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor ->getOriginalNamespace()); 3212d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3213d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 3214d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 3215d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 3216264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 3217264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // If we have some kind of dependent-named type (e.g., "typename T::type"), 3218264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // break it apart into its prefix and identifier, then reconsititute those 3219264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // as the canonical nested-name-specifier. This is required to canonicalize 3220264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // a dependent nested-name-specifier involving typedefs of dependent-name 3221264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // types, e.g., 3222264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T::type T1; 3223264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T1::type T2; 3224264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentNameType *DNT = T->getAs<DependentNameType>()) { 3225264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 3226264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DNT->getQualifier()); 3227264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor return NestedNameSpecifier::Create(*this, Prefix, 3228264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor const_cast<IdentifierInfo *>(DNT->getIdentifier())); 3229264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 3230264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 3231643f84353b3b7bbf9b73bcbc7da0ef8a39a5ca99Douglas Gregor // Do the same thing as above, but with dependent-named specializations. 3232264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentTemplateSpecializationType *DTST 3233264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = T->getAs<DependentTemplateSpecializationType>()) { 3234264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 3235264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DTST->getQualifier()); 3236aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor 3237aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor T = getDependentTemplateSpecializationType(DTST->getKeyword(), 3238aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor Prefix, DTST->getIdentifier(), 3239aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor DTST->getNumArgs(), 3240aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor DTST->getArgs()); 3241264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor T = getCanonicalType(T); 3242264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 3243264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 32443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return NestedNameSpecifier::Create(*this, 0, false, 32453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const_cast<Type*>(T.getTypePtr())); 3246d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3247d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3248d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 3249d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 3250d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 3251d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3252d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3253d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 3254d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 3255d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 3256d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3257c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 32584ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadconst ArrayType *ASTContext::getAsArrayType(QualType T) const { 3259c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 3260a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 3261c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 3262c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 3263c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 3264c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 32651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 32673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isa<ArrayType>(T.getCanonicalType())) 3268c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 32691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 3271c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 3272c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 32731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3274c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 3275c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 327650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 32770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 32783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = T.getSplitDesugaredType(); 32793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs = split.second; 32801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3281c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 32823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *ATy = dyn_cast<ArrayType>(split.first); 32833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ATy == 0 || qs.empty()) 3284c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 32851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3286c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 3287c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 32883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), qs); 32891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3290c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 3291c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 3292c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 32930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 3294c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 3295c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 3296c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 32970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 3298898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 32991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 3300898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 3301898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 33021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 33033fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall DSAT->getSizeExpr(), 3304898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 33050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 33067e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 33071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3308c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 33097e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 33103fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 3311c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 33120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 33137e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 331477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 331577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 3316e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 3317e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 3318e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 3319e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 3320e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 3321e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 33224ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getArrayDecayedType(QualType Ty) const { 3323c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 3324c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 3325c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 3326c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 3327c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 3328c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 33291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3330c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 3331e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 3332e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 33330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 3334e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 3335e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 33363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(const ArrayType *array) const { 33373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getBaseElementType(array->getElementType()); 33385e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 33395e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 33403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(QualType type) const { 33413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs; 33423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall while (true) { 33433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = type.getSplitDesugaredType(); 33443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *array = split.first->getAsArrayTypeUnsafe(); 33453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!array) break; 33461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall type = array->getElementType(); 33483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall qs.addConsistentQualifiers(split.second); 33493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 33501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiedType(type, qs); 33526183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 33536183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 33540de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 33551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 33560de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 33570de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 33580de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 33590de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 33600de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 33610de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 33620de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 33630de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 33640de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 33655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 33665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 3367a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 3368183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 33695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 3370a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 3371183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 3372183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 3373a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 33745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 33755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 33765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 33775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 33785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 33795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 33801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 33811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 3382716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 3383716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 33841361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 33851361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 33861361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 33871361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 33881361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 3389716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 3390f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 3391f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 3392f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 3393f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 3394f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 33951361b11066239ea15764a2a844405352d87296b3Chris Lattner 33961361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 33971361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 33981361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 33991361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 34001361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 34011361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 34025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 34035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 34045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 34057cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 34067cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 34077cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 34081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 34094ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) const { 3410a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 3411a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 34121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3413a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 3414fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 3415a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 3416fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 3417fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 34185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 34195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3420f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 3421f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 3422f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 3423f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCallunsigned ASTContext::getIntegerRank(const Type *T) const { 3424467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 3425f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const EnumType* ET = dyn_cast<EnumType>(T)) 3426842aef8d942a880eeb9535d40de31a86838264cbJohn McCall T = ET->getDecl()->getPromotionType().getTypePtr(); 3427f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 34283f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (T->isSpecificBuiltinType(BuiltinType::WChar_S) || 34293f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner T->isSpecificBuiltinType(BuiltinType::WChar_U)) 3430a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 3431a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 3432f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 3433f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 3434f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3435f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 3436f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 3437f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3438f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 34397cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 34407cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 3441f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 34427cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 34437cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 34447cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 34457cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 3446f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 34477cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 34487cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 3449f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 34507cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 34517cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 3452f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 34537cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 34547cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 3455f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 34567cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 34577cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 3458f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 34592df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 34602df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 34612df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 3462f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 3463f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 3464f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 346504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 346604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 346704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 346804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 346904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 34704ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::isPromotableBitField(Expr *E) const { 3471ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor if (E->isTypeDependent() || E->isValueDependent()) 3472ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor return QualType(); 3473ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor 347404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 347504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 347604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 347704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 347804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 347904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 348004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 348104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 348204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 348304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 348404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 348504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 348604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 348704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 348804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 348904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 349004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 349104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 349204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 349304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 349404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 349504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 349604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 349704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 349804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 3499a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 3500a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 3501a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 35024ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPromotedIntegerType(QualType Promotable) const { 3503a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 3504a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 3505842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 3506842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 3507a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 3508a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 3509a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 3510a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 3511a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 3512a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 3513a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 3514a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 351531862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis/// \brief Recurses in pointer/array types until it finds an objc retainable 351631862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis/// type and returns its ownership. 351731862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios KyrtzidisQualifiers::ObjCLifetime ASTContext::getInnerObjCOwnership(QualType T) const { 351831862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis while (!T.isNull()) { 351931862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis if (T.getObjCLifetime() != Qualifiers::OCL_None) 352031862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis return T.getObjCLifetime(); 352131862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis if (T->isArrayType()) 352231862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis T = getBaseElementType(T); 352331862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else if (const PointerType *PT = T->getAs<PointerType>()) 352431862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis T = PT->getPointeeType(); 352531862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 352628445f0b62f6aed851ff87ce64d9b19200d3211fArgyrios Kyrtzidis T = RT->getPointeeType(); 352731862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else 352831862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis break; 352931862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis } 353031862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis 353131862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis return Qualifiers::OCL_None; 353231862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis} 353331862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis 35341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 35357cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 35361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 35374ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) const { 3538f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *LHSC = getCanonicalType(LHS).getTypePtr(); 3539f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *RHSC = getCanonicalType(RHS).getTypePtr(); 35407cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 35411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3542f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 3543f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 35441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35457cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 35467cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 35471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35487cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 35497cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 35507cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 35517cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 35521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35537cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 35547cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 35557cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 35567cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 35577cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 35581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35597cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 35607cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 35611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 35627cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 35637cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 35647cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 35657cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 35667cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 35677cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 35681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35697cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 35707cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 35711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 35727cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 35735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 357471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 357579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 3576ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo BagnaraCreateRecordDecl(const ASTContext &Ctx, RecordDecl::TagKind TK, 3577ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara DeclContext *DC, IdentifierInfo *Id) { 3578ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation Loc; 357979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 3580ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return CXXRecordDecl::Create(Ctx, TK, DC, Loc, Loc, Id); 358179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 3582ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return RecordDecl::Create(Ctx, TK, DC, Loc, Loc, Id); 358379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 3584ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara 35851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 35864ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getCFConstantStringType() const { 358771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 35881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 3589ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, 359079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 35915cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 359279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 3593f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 35941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 359571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 35960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 3597f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 3598f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 359971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 36000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 360171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 36021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 36031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 360444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 360544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 36061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 3607ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 360844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 3609a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 36101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 36117a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 36127a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 36132888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 361417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 361544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 361644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 3617838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 361871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 36191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 362071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 36218467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 3622b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3623319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 36246217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3625319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 3626319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 3627319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3628319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 36292bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian// getNSConstantStringType - Return the type used for constant NSStrings. 36304ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getNSConstantStringType() const { 36312bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian if (!NSConstantStringTypeDecl) { 36322bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = 3633ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, 36342bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian &Idents.get("__builtin_NSString")); 36352bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->startDefinition(); 36362bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 36372bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType FieldTypes[3]; 36382bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 36392bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const int *isa; 36402bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[0] = getPointerType(IntTy.withConst()); 36412bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const char *str; 36422bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[1] = getPointerType(CharTy.withConst()); 36432bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // unsigned int length; 36442bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[2] = UnsignedIntTy; 36452bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 36462bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // Create fields 36472bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian for (unsigned i = 0; i < 3; ++i) { 36482bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldDecl *Field = FieldDecl::Create(*this, NSConstantStringTypeDecl, 3649ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 36502bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian SourceLocation(), 0, 36512bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[i], /*TInfo=*/0, 36522bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*BitWidth=*/0, 36537a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 36547a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 36552888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 36562bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->addDecl(Field); 36572bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 36582bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 36592bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->completeDefinition(); 36602bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 36612bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 36622bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return getTagDeclType(NSConstantStringTypeDecl); 36632bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 36642bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 36652bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanianvoid ASTContext::setNSConstantStringType(QualType T) { 36662bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian const RecordType *Rec = T->getAs<RecordType>(); 36672bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian assert(Rec && "Invalid NSConstantStringType"); 36682bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = Rec->getDecl(); 36692bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 36702bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 36714ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCFastEnumerationStateType() const { 3672bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 367344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 3674ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, 367579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__objcFastEnumerationState")); 36765cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall ObjCFastEnumerationStateTypeDecl->startDefinition(); 36771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3678bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 3679bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 3680de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff getPointerType(ObjCIdTypedefType), 3681bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 3682bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 3683bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 3684bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 36851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 368644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 36871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, 36881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCFastEnumerationStateTypeDecl, 3689ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 36901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 3691a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 36921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 36937a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 36947a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 36952888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 369617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ObjCFastEnumerationStateTypeDecl->addDecl(Field); 369744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 36981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3699838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(); 3700bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 37011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3702bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 3703bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 3704bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 37054ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorType() const { 3706adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 3707adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3708adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3709adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3710adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 3711ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, 371279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 37135cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3714adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3715adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3716adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3717adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3718adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3719adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3720adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3721adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 3722083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 3723adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3724adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3725adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 3726ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3727adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 3728adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3729a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3730adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 37317a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 37327a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 37332888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3734adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3735adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3736adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3737838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3738adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3739adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 3740adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3741adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3742adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3743adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3744adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stumpvoid ASTContext::setBlockDescriptorType(QualType T) { 3745adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3746adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3747adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = Rec->getDecl(); 3748adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3749adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 37504ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorExtendedType() const { 3751083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 3752083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3753083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3754083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 3755083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 3756ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, 375779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 37585cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3759083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3760083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 3761083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3762083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3763083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 3764083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 3765083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3766083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3767083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 3768083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 3769083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 3770083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 3771083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 3772083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3773083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3774083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 3775ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3776083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 3777083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 3778a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3779083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 37807a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 37817a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 37822888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3783083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 3784083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 3785083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3786838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3787083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3788083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 3789083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3790083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3791083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3792083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3793083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stumpvoid ASTContext::setBlockDescriptorExtendedType(QualType T) { 3794083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3795083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3796083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = Rec->getDecl(); 3797083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3798083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 37994ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::BlockRequiresCopying(QualType Ty) const { 3800f85e193739c953358c865005855253af4f68a497John McCall if (Ty->isObjCRetainableType()) 3801af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3802e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (getLangOptions().CPlusPlus) { 3803e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (const RecordType *RT = Ty->getAs<RecordType>()) { 3804e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl()); 3805ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt return RD->hasConstCopyConstructor(); 3806e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian 3807e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3808e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3809af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3810af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3811af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 38124ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 38134ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::BuildByRefType(llvm::StringRef DeclName, QualType Ty) const { 3814af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3815ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3816af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3817ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3818ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 3819a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__copy_helper; // as needed 3820a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__destroy_help // as needed 3821af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3822ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3823ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3824af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3825af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3826af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 3827f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3828f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3829f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3830af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3831ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, &Idents.get(Name.str())); 3832af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3833af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3834af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3835af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3836af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3837af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3838af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3839af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3840af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3841af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3842af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3843af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3844af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 38454087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef FieldNames[] = { 3846af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3847af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3848af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3849af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3850af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3851af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3852af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3853af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3854af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3855af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3856af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3857af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3858af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3859ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 3860af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3861a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 38627a614d8380297fcd2bc23986241905d97222948cRichard Smith /*BitWidth=*/0, /*Mutable=*/false, 38637a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 38642888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3865af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3866af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3867af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3868838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3869af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3870af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3871ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3872ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3873319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setObjCFastEnumerationStateType(QualType T) { 38746217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3875319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid ObjCFAstEnumerationStateType"); 3876319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCFastEnumerationStateTypeDecl = Rec->getDecl(); 3877319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3878319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 3879e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3880e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 38812d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3882e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3883bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3884bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 38851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 388685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 388785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 388885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3889a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 389033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 38914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) const { 3892f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (!type->isIncompleteArrayType() && type->isIncompleteType()) 3893f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return CharUnits::Zero(); 3894f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 3895199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 38961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 389733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 38982ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor if (sz.isPositive() && type->isIntegralOrEnumerationType()) 3899199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 390033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 390133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3902199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3903aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3904199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3905199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3906199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3907199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3908199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 390933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 391033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 39116b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall/// getObjCEncodingForBlock - Return the encoded type for this block 39125e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 39136b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCallstd::string ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr) const { 39146b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall std::string S; 39156b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 39165e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 39175e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 39185e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 39195e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 3920c71a4915ca216847599d03cab4ed1c5086b0eb43John McCall getObjCEncodingForType(BlockTy->getAs<FunctionType>()->getResultType(), S); 39215e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 39225e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 39235e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 39245e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3925199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3926199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 39276f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 39285e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 39295e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3930aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3931199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 39325e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 39335e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 39345e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3935199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 39365e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 39375e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 39385e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 39395e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 39405e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 39415e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 39425e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 39435e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 39445e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 39455e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 39465e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 39475e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 39485e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 39495389f48b24937ad7b4093307128b3cbf25235654David Chisnall // elements. 39505389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (!isa<ConstantArrayType>(AT)) 39515389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 39525389f48b24937ad7b4093307128b3cbf25235654David Chisnall } else if (PType->isFunctionType()) 39535389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 39545389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(PType, S); 39555389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 39565389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += getObjCEncodingTypeSize(PType); 39575389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 39586b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 39596b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall return S; 39605389f48b24937ad7b4093307128b3cbf25235654David Chisnall} 39615389f48b24937ad7b4093307128b3cbf25235654David Chisnall 3962f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregorbool ASTContext::getObjCEncodingForFunctionDecl(const FunctionDecl *Decl, 39635389f48b24937ad7b4093307128b3cbf25235654David Chisnall std::string& S) { 39645389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Encode result type. 39655389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(Decl->getResultType(), S); 39665389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits ParmOffset; 39675389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Compute size of all parameters. 39685389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 39695389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 39705389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = (*PI)->getType(); 39715389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits sz = getObjCEncodingTypeSize(PType); 3972f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (sz.isZero()) 3973f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return true; 3974f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 39755389f48b24937ad7b4093307128b3cbf25235654David Chisnall assert (sz.isPositive() && 3976f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor "getObjCEncodingForFunctionDecl - Incomplete param type"); 39775389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += sz; 39785389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 39795389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 39805389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset = CharUnits::Zero(); 39815389f48b24937ad7b4093307128b3cbf25235654David Chisnall 39825389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Argument types. 39835389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 39845389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 39855389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmVarDecl *PVDecl = *PI; 39865389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = PVDecl->getOriginalType(); 39875389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (const ArrayType *AT = 39885389f48b24937ad7b4093307128b3cbf25235654David Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 39895389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Use array's original type only if it has known number of 39905e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 39915e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 39925e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 39935e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 39945e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 39955e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 3996199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3997aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 39985e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 3999f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 4000f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return false; 40015e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 40025e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 4003a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 400433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 4005f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregorbool ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 40064ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 4007c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 4008ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 4009a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 401033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 40110d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 401233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 401333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 401433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 401533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 4016199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 401733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 401833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 4019199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 402089951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 40217732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 402289951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 4023aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 4024f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (sz.isZero()) 4025f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return true; 4026f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 4027199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 4028199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 402933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 403033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 4031199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 403233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 4033199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 40341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 403533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 403633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 403789951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 40387732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 403989951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 40401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 40414306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 4042ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 4043ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 4044ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 4045bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 4046ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 4047ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 4048ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 4049ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 405033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 40514306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 40520d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 4053199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 4054aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 405533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 4056f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 4057f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return false; 405833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 405933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 4060c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 406183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 4062c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 4063c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 40641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 40651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 40661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 40671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 40681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 406983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 407083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 407183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 407283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 407383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 407483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 407583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 407683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 407783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 407883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 407983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 408083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 408183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 408283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 408383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 408483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 40851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 4086c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 40874ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 4088c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 4089c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 4090c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 4091c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4092c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 4093c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 40941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 4095c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 4096c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 409717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 4098653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 4099c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 4100c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 4101c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 4102c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 4103c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4104c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 4105c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4106c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4107c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4108c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 410961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 4110c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 411117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 4112653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 4113c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 4114c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 4115c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 4116c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 4117c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4118c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 4119c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4120c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 41211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4122c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4123c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4124c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4125c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 4126c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 4127c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4128c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 4129090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 4130090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 41311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 4132090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 4133090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 4134c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4135c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 4136c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 4137c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4138c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 4139c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 4140c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 41411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 4142c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4143c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4144c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4145c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 4146c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 4147c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 4148c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 4149c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4150090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 4151090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 41521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4153c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 4154c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 4155077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 4156c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4157c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4158c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 4159c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 4160077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 4161c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4162c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4163c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 4164c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 4165c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 416639f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 4167c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4168c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4169c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 4170c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 4171c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4172a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 41731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 41741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 4175a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 4176a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 4177a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 41788e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 4179183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 41804ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::ULong && getIntWidth(PointeeTy) == 32) 4181a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 41821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 41834ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::Long && getIntWidth(PointeeTy) == 32) 4184a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 4185a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4186a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4187a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 4188a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 41897d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 41904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FieldDecl *Field) const { 419182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 419282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 419382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 419482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 41951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 41965b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 419782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 419882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 419964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnallstatic char ObjCEncodingForPrimitiveKind(const ASTContext *C, QualType T) { 420064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall switch (T->getAs<BuiltinType>()->getKind()) { 420164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall default: assert(0 && "Unhandled builtin type kind"); 420264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Void: return 'v'; 420364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Bool: return 'B'; 420464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_U: 420564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UChar: return 'C'; 420664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UShort: return 'S'; 420764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt: return 'I'; 420864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULong: 42094ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'L' : 'Q'; 421064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt128: return 'T'; 421164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULongLong: return 'Q'; 421264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_S: 421364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::SChar: return 'c'; 421464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Short: return 's'; 42153f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 42163f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 421764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int: return 'i'; 421864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Long: 42194ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'l' : 'q'; 422064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongLong: return 'q'; 422164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int128: return 't'; 422264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Float: return 'f'; 422364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Double: return 'd'; 42243a0be84b2aed8563150cdbd976a98838afa261ebDaniel Dunbar case BuiltinType::LongDouble: return 'D'; 422564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 422664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall} 422764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall 42284ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic void EncodeBitField(const ASTContext *Ctx, std::string& S, 422964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall QualType T, const FieldDecl *FD) { 42308b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 42318b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 42328b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 423364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The NeXT runtime encodes bit fields as b followed by the number of bits. 423464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The GNU runtime requires more information; bitfields are encoded as b, 423564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // then the offset (in bits) of the first element, then the type of the 423664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // bitfield, then the size in bits. For example, in this structure: 423764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // 423864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // struct 423964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // { 424064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int integer; 424164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int flags:2; 424264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // }; 424364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // On a 32-bit system, the encoding for flags would be b2 for the NeXT 424464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // runtime, but b32i2 for the GNU runtime. The reason for this extra 424564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // information is not especially sensible, but we're stuck with it for 424664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // compatibility with GCC, although providing it breaks anything that 424764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // actually uses runtime introspection and wants to work on both runtimes... 424864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (!Ctx->getLangOptions().NeXTRuntime) { 424964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const RecordDecl *RD = FD->getParent(); 425064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const ASTRecordLayout &RL = Ctx->getASTRecordLayout(RD); 425164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // FIXME: This same linear search is also used in ExprConstant - it might 425264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // be better if the FieldDecl stored its offset. We'd be increasing the 425364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // size of the object slightly, but saving some time every time it is used. 425464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned i = 0; 425564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall for (RecordDecl::field_iterator Field = RD->field_begin(), 425664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall FieldEnd = RD->field_end(); 425764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall Field != FieldEnd; (void)++Field, ++i) { 425864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (*Field == FD) 425964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall break; 426064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 426164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += llvm::utostr(RL.getFieldOffset(i)); 4262c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall if (T->isEnumeralType()) 4263c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall S += 'i'; 4264c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall else 42654ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad S += ObjCEncodingForPrimitiveKind(Ctx, T); 426664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 426764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 42688b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 42698b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 42708b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 427101eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 427282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 427382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 427482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 4275153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 4276090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 42772636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool EncodingProperty, 42782636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool StructField) const { 427964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (T->getAs<BuiltinType>()) { 4280ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 428164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return EncodeBitField(this, S, T, FD); 428264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(this, T); 4283ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4284ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4286183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 4287c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 42881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 4289c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 4290ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4291ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 429260bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 4293aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 4294aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 42956217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 42968d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 42978d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 42988d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 42998d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 4300aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 4301aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 4302aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 4303aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 4304aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 4305a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 4306a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 4307a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 4308a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 43091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 43108e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 4311a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 4312a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4313a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4314a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 43159fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 4316a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 43176217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 43186217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 4319a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 4320a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4321a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4322a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4323a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4324a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 4325a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 4326a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 4327a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 43280237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer if (llvm::StringRef(S).endswith("nr")) 43290237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 4330a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 43311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 433285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 433385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 433485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 4335e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 433685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 433785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 433885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 43396217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 43409533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 43419533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 43429533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 43439533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 43449533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 43459533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 43469533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 43479533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 43489533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 43499533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 43509533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 435185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 435285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 4353a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 4354a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 43551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 435643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 4357ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4358ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4359aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 4360ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 4361ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 4362ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 43632636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (isa<IncompleteArrayType>(AT) && !StructField) { 4364559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 4365559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 4366559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 43671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4368559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4369559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 4370559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 43711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43722636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 43732636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (getTypeSize(CAT->getElementType()) == 0) 43742636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '0'; 43752636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis else 43762636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += llvm::utostr(CAT->getSize().getZExtValue()); 43772636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 4378559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 43792636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert((isa<VariableArrayType>(AT) || isa<IncompleteArrayType>(AT)) && 43802636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis "Unknown array type!"); 4381559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 4382559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 43831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4385559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4386559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 4387559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 4388ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4389ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 43901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4391183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 4392c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 4393ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4394ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 43951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43966217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 439782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 4398d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 4399502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 4400502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 4401502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 44026fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 44036fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 44046fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 44056fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 44066fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 4407910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.data(), 4408910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.size(), 44096fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian (*this).PrintingPolicy); 44106fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 44116fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 44126fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 4413502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 4414502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 4415502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 44160d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 44177d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 44182636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->isUnion()) { 44192636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForStructureImpl(RDecl, S, FD); 44202636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 44212636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 44222636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 44232636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis Field != FieldEnd; ++Field) { 44242636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 44252636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 44262636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += Field->getNameAsString(); 44272636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 44282636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 44291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44302636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // Special case bit-fields. 44312636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (Field->isBitField()) { 44322636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 44332636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis (*Field)); 44342636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 44352636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis QualType qt = Field->getType(); 44362636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getLegacyIntegralTypeEncoding(qt); 44372636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(qt, S, false, true, 44382636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FD, /*OutermostType*/false, 44392636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*EncodingProperty*/false, 44402636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*StructField*/true); 44412636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 4442d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 44437d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 44446de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 4445d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 4446ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4447ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4448e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4449ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 44508b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 445164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall EncodeBitField(this, S, T, FD); 44528b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 44538b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 4454ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4455ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4457ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 445821a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 4459ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4460ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4462c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 4463c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 4464c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 4465c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 44660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 446743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 44680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 446943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 447043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 447143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 447243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 44732c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian llvm::SmallVector<ObjCIvarDecl*, 32> Ivars; 44742c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(OI, true, Ivars); 44752c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (unsigned i = 0, e = Ivars.size(); i != e; ++i) { 44762c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian FieldDecl *Field = cast<FieldDecl>(Ivars[i]); 44772c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (Field->isBitField()) 44782c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, Field); 447943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 44802c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, FD); 448143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 448243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 4483ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 448443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 44851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4486183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 448714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 448814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 448914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4490ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 449227d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 449327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 449427d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 449527d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 449614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 449714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4498ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4500ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 45011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 450214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 450314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 450414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 450514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 450614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 450714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 450867ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 450967ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 451014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 451114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 451214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 451314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 451414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 451514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 451614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4517ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 45181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4519ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 4520ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 4521ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 4522ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 45231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 4524ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 4525ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 45261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 45271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 4528ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 452914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 453014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4531ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 4532ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 453327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 4534ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 453527d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 453667ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 453767ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 4538ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 4539ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 4540ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 45411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4542ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 4543ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4544ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4545ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 45461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4547532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 4548532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 4549532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 4550532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 4551e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4552e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian if (T->isVectorType()) { 4553e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // This matches gcc's encoding, even though technically it is 4554e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // insufficient. 4555e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // FIXME. We should do a better job than gcc. 4556e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian return; 4557e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian } 4558e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4559ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 456085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 456185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 45622636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidisvoid ASTContext::getObjCEncodingForStructureImpl(RecordDecl *RDecl, 45632636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::string &S, 45642636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis const FieldDecl *FD, 45652636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool includeVBases) const { 45662636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(RDecl && "Expected non-null RecordDecl"); 45672636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(!RDecl->isUnion() && "Should not be called for unions"); 45682636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->getDefinition()) 45692636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis return; 45702636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45712636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *CXXRec = dyn_cast<CXXRecordDecl>(RDecl); 45722636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::multimap<uint64_t, NamedDecl *> FieldOrBaseOffsets; 45732636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis const ASTRecordLayout &layout = getASTRecordLayout(RDecl); 45742636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45752636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec) { 45762636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (CXXRecordDecl::base_class_iterator 45772636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BI = CXXRec->bases_begin(), 45782636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BE = CXXRec->bases_end(); BI != BE; ++BI) { 45792636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!BI->isVirtual()) { 45802636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *base = BI->getType()->getAsCXXRecordDecl(); 4581829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis if (base->isEmpty()) 4582829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis continue; 45832636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getBaseClassOffsetInBits(base); 45842636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 45852636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, base)); 45862636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45872636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45882636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45892636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45902636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis unsigned i = 0; 45912636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 45922636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 45932636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis Field != FieldEnd; ++Field, ++i) { 45942636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getFieldOffset(i); 45952636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 45962636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, *Field)); 45972636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45982636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45992636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec && includeVBases) { 46002636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (CXXRecordDecl::base_class_iterator 46012636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BI = CXXRec->vbases_begin(), 46022636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BE = CXXRec->vbases_end(); BI != BE; ++BI) { 46032636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *base = BI->getType()->getAsCXXRecordDecl(); 4604829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis if (base->isEmpty()) 4605829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis continue; 46062636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getVBaseClassOffsetInBits(base); 46072636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 46082636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, base)); 46092636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46102636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46112636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46122636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CharUnits size; 46132636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec) { 46142636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis size = includeVBases ? layout.getSize() : layout.getNonVirtualSize(); 46152636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 46162636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis size = layout.getSize(); 46172636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46182636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46192636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t CurOffs = 0; 46202636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::multimap<uint64_t, NamedDecl *>::iterator 46212636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurLayObj = FieldOrBaseOffsets.begin(); 46222636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46232636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CurLayObj != FieldOrBaseOffsets.end() && CurLayObj->first != 0) { 46242636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(CXXRec && CXXRec->isDynamicClass() && 46252636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis "Offset 0 was empty but no VTable ?"); 46262636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 46272636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += "\"_vptr$"; 46282636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::string recname = CXXRec->getNameAsString(); 46292636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (recname.empty()) recname = "?"; 46302636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += recname; 46312636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 46322636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46332636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += "^^?"; 46342636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += getTypeSize(VoidPtrTy); 46352636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46362636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46372636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->hasFlexibleArrayMember()) { 46382636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // Mark the end of the structure. 46392636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = toBits(size); 46402636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 46412636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, (NamedDecl*)0)); 46422636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46432636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46442636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (; CurLayObj != FieldOrBaseOffsets.end(); ++CurLayObj) { 46452636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(CurOffs <= CurLayObj->first); 46462636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46472636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CurOffs < CurLayObj->first) { 46482636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t padding = CurLayObj->first - CurOffs; 46492636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // FIXME: There doesn't seem to be a way to indicate in the encoding that 46502636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // packing/alignment of members is different that normal, in which case 46512636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // the encoding will be out-of-sync with the real layout. 46522636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // If the runtime switches to just consider the size of types without 46532636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // taking into account alignment, we could make padding explicit in the 46542636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // encoding (e.g. using arrays of chars). The encoding strings would be 46552636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // longer then though. 46562636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += padding; 46572636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46582636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46592636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis NamedDecl *dcl = CurLayObj->second; 46602636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (dcl == 0) 46612636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis break; // reached end of structure. 46622636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46632636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRecordDecl *base = dyn_cast<CXXRecordDecl>(dcl)) { 46642636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // We expand the bases without their virtual bases since those are going 46652636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // in the initial structure. Note that this differs from gcc which 46662636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // expands virtual bases each time one is encountered in the hierarchy, 46672636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // making the encoding type bigger than it really is. 46682636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForStructureImpl(base, S, FD, /*includeVBases*/false); 4669829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis assert(!base->isEmpty()); 4670829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis CurOffs += toBits(getASTRecordLayout(base).getNonVirtualSize()); 46712636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 46722636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldDecl *field = cast<FieldDecl>(dcl); 46732636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 46742636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 46752636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += field->getNameAsString(); 46762636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 46772636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46782636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46792636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (field->isBitField()) { 46802636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis EncodeBitField(this, S, field->getType(), field); 46812636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += field->getBitWidth()->EvaluateAsInt(*this).getZExtValue(); 46822636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 46832636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis QualType qt = field->getType(); 46842636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getLegacyIntegralTypeEncoding(qt); 46852636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(qt, S, false, true, FD, 46862636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*OutermostType*/false, 46872636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*EncodingProperty*/false, 46882636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*StructField*/true); 46892636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += getTypeSize(field->getType()); 46902636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46912636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46922636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46932636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis} 46942636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 4696ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 4697ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 4698ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 4699ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 4700ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 4701ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 4702ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 4703ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 4704ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 4705ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 4706ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 4707ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 4708ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 4709ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 4710ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 4711ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 4712b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 47131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4714b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 4715b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 4716b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 4717ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCIdType(QualType T) { 4718de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = T; 47197e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 47207e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 4721ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCSelType(QualType T) { 472213dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = T; 4723b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 4724b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 4725ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 4726a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 4727390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 4728390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 4729ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCClassType(QualType T) { 4730de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = T; 47318baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 47328baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 4733a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 47341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 47352198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 47361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4737a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 47382198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 47392198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 47400bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 47410bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 47424ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 47434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 47444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad UnresolvedSetIterator End) const { 47450bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 47460bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 47477532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 47480bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 47490bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 47500bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 47510bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 47520bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 4753eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 47540bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 47550bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 47560bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 47570bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 47580bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 47597532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 47607532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 47610bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 47627532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 47637532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4764d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 4765d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 47664ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 47674ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 47684ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool TemplateKeyword, 47694ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad TemplateDecl *Template) const { 47700f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor assert(NNS && "Missing nested-name-specifier in qualified template name"); 47710f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor 4772789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 4773d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 4774d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 47751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4776d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 4777d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 47780bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4779d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 4780d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 4781d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 4782d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 47831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4784d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 4785d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 4786d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 47877532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 47887532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 47894ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 47904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 47914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const IdentifierInfo *Name) const { 47921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 47933b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 47947532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 47957532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 47967532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 47977532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 47987532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 47997532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 48007532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 48017532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 48027532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 48037532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 48047532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 48057532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 48067532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 48077532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 48087532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 48097532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 48107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 4811789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 4812789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4813789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 4814789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 48157532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 48167532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 48177532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 48187532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 48197532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 48207532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4821ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 4822ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 4823ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 4824ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 48254ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad OverloadedOperatorKind Operator) const { 4826ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 4827ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 4828ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4829ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 4830ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 4831ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4832ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 4833789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 4834789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4835ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4836ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 4837ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4838ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4839ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 4840ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 4841ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 4842ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 4843ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 4844ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 4845789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 4846789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 4847789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4848789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 4849789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 4850ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 4851ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4852ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 4853ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4854ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 4855ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 48561aee05d08b2184acadeb36de300e216390780d6cDouglas GregorTemplateName 4857146060435c3efce95c95a092c7a1eb651cfb9ae0John McCallASTContext::getSubstTemplateTemplateParm(TemplateTemplateParmDecl *param, 4858146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateName replacement) const { 4859146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm::FoldingSetNodeID ID; 4860146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage::Profile(ID, param, replacement); 4861146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 4862146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall void *insertPos = 0; 4863146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 4864146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = SubstTemplateTemplateParms.FindNodeOrInsertPos(ID, insertPos); 4865146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 4866146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall if (!subst) { 4867146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall subst = new (*this) SubstTemplateTemplateParmStorage(param, replacement); 4868146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParms.InsertNode(subst, insertPos); 4869146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 4870146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 4871146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return TemplateName(subst); 4872146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall} 4873146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 4874146060435c3efce95c95a092c7a1eb651cfb9ae0John McCallTemplateName 48751aee05d08b2184acadeb36de300e216390780d6cDouglas GregorASTContext::getSubstTemplateTemplateParmPack(TemplateTemplateParmDecl *Param, 48761aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor const TemplateArgument &ArgPack) const { 48771aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ASTContext &Self = const_cast<ASTContext &>(*this); 48781aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor llvm::FoldingSetNodeID ID; 48791aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage::Profile(ID, Self, Param, ArgPack); 48801aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 48811aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor void *InsertPos = 0; 48821aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage *Subst 48831aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = SubstTemplateTemplateParmPacks.FindNodeOrInsertPos(ID, InsertPos); 48841aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 48851aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor if (!Subst) { 4886146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall Subst = new (*this) SubstTemplateTemplateParmPackStorage(Param, 48871aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_size(), 48881aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_begin()); 48891aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPacks.InsertNode(Subst, InsertPos); 48901aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 48911aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 48921aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor return TemplateName(Subst); 48931aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor} 48941aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 4895b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 4896d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 4897d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 4898e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 4899b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 4900e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 4901b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 4902b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 4903b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 4904b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 4905b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 4906b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 4907b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 4908b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 4909b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 4910b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 4911b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 4912e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 4913b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 4914b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4915b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4916b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 4917b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4918b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 49194fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 49204fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 49214fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 4922ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(QualType Ty) const { 4923ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (getLangOptions().getGCMode() == LangOptions::NonGC) 4924ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::GCNone; 4925ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 4926ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(getLangOptions().ObjC1); 4927ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall Qualifiers::GC GCAttrs = Ty.getObjCGCAttr(); 4928ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 4929ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // Default behaviour under objective-C's gc is for ObjC pointers 4930ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // (or pointers to them) be treated as though they were declared 4931ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // as __strong. 4932ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (GCAttrs == Qualifiers::GCNone) { 4933ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 4934ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::Strong; 4935ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall else if (Ty->isPointerType()) 4936ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 4937ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall } else { 4938ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // It's not valid to set GC attributes on anything that isn't a 4939ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // pointer. 4940ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#ifndef NDEBUG 4941ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall QualType CT = Ty->getCanonicalTypeInternal(); 4942ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall while (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 4943ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall CT = AT->getElementType(); 4944ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(CT->isAnyPointerType() || CT->isBlockPointerType()); 4945ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#endif 49464fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 4947b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 49484fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 49494fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 49506ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 49516ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 49526ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 4953770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 49541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 49556ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 49566ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 49576ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 4958467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 49596ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 496061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 49616ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 49626ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4963255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregorbool ASTContext::areCompatibleVectorTypes(QualType FirstVec, 4964255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor QualType SecondVec) { 4965255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(FirstVec->isVectorType() && "FirstVec should be a vector type"); 4966255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(SecondVec->isVectorType() && "SecondVec should be a vector type"); 4967255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4968255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (hasSameUnqualifiedType(FirstVec, SecondVec)) 4969255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4970255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4971f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // Treat Neon vector types and most AltiVec vector types as if they are the 4972f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // equivalent GCC vector types. 4973255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *First = FirstVec->getAs<VectorType>(); 4974255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *Second = SecondVec->getAs<VectorType>(); 4975f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson if (First->getNumElements() == Second->getNumElements() && 4976255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor hasSameType(First->getElementType(), Second->getElementType()) && 4977f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecPixel && 4978f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecBool && 4979f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecPixel && 4980f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecBool) 4981255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4982255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4983255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return false; 4984255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor} 4985255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 49864084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 49874084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 49884084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 49894084c306635b70f37029dca938444e6013f08684Steve Naroff 49904084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 49914084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 49924ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool 49934ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 49944ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad ObjCProtocolDecl *rProto) const { 49954084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 499614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 49974084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 49984084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 49994084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 50004084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 50014084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 50024084c306635b70f37029dca938444e6013f08684Steve Naroff} 500314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 50044084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 50054084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 50064084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 50074084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 50084084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 50094084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 50104084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 50114084c306635b70f37029dca938444e6013f08684Steve Naroff} 50124084c306635b70f37029dca938444e6013f08684Steve Naroff 5013a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// ObjCQualifiedClassTypesAreCompatible - compare Class<p,...> and 5014a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// Class<p1, ...>. 5015a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanianbool ASTContext::ObjCQualifiedClassTypesAreCompatible(QualType lhs, 5016a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType rhs) { 5017a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *lhsQID = lhs->getAs<ObjCObjectPointerType>(); 5018a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 5019a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian assert ((lhsQID && rhsOPT) && "ObjCQualifiedClassTypesAreCompatible"); 5020a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5021a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 5022a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = lhsQID->qual_end(); I != E; ++I) { 5023a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian bool match = false; 5024a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *lhsProto = *I; 5025a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 5026a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = rhsOPT->qual_end(); J != E; ++J) { 5027a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 5028a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto)) { 5029a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian match = true; 5030a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian break; 5031a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 5032a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 5033a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (!match) 5034a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return false; 5035a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 5036a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return true; 5037a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian} 5038a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 50394084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 50404084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 50414084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 50424084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 50434084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 50441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 50454084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 50464084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 50471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 50484084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 50494084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 50504084c306635b70f37029dca938444e6013f08684Steve Naroff 50514084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 5052183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 50531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50544084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 50551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50564084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 50571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 50584084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 50594084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 50604084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 50614084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 50624084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 50634084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 50644084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 50650fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 50664084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 50674084c306635b70f37029dca938444e6013f08684Steve Naroff } 50684084c306635b70f37029dca938444e6013f08684Steve Naroff } 50694084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 50704084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 50714084c306635b70f37029dca938444e6013f08684Steve Naroff } 50721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 50734084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 50744084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 50754084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 50764084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 5077de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 5078de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 5079de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 5080de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 50814084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 50824084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 50834084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 50844084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 50854084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 50864084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 50878f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 50888f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 5089de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 50901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 50914084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 50924084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 50934084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 50944084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 50954084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 50964084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 50974084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 50980fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 50994084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 51004084c306635b70f37029dca938444e6013f08684Steve Naroff break; 51014084c306635b70f37029dca938444e6013f08684Steve Naroff } 51024084c306635b70f37029dca938444e6013f08684Steve Naroff } 51034084c306635b70f37029dca938444e6013f08684Steve Naroff } 51044084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 5105de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 5106de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 51071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5108de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 5109de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 51101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51114084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 51124084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 51134084c306635b70f37029dca938444e6013f08684Steve Naroff 51141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 51154084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 5116de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // If both the right and left sides have qualifiers. 51174084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 51184084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 51194084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 51204084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 51214084c306635b70f37029dca938444e6013f08684Steve Naroff 5122de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // when comparing an id<P> on rhs with a static type on lhs, 51234084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 51244084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 5125de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // First, lhs protocols in the qualifier list must be found, direct 5126de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // or indirect in rhs's qualifier list or it is a mismatch. 51274084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 51284084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 51294084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 51304084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 51314084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 51324084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 51334084c306635b70f37029dca938444e6013f08684Steve Naroff break; 51344084c306635b70f37029dca938444e6013f08684Steve Naroff } 51354084c306635b70f37029dca938444e6013f08684Steve Naroff } 51364084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 51374084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 51384084c306635b70f37029dca938444e6013f08684Steve Naroff } 5139de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian 5140de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // Static class's protocols, or its super class or category protocols 5141de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // must be found, direct or indirect in rhs's qualifier list or it is a mismatch. 5142de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 5143de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 5144de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian CollectInheritedProtocols(lhsID, LHSInheritedProtocols); 5145de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // This is rather dubious but matches gcc's behavior. If lhs has 5146de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // no type qualifier and its class has no static protocol(s) 5147de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // assume that it is mismatch. 5148de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (LHSInheritedProtocols.empty() && lhsOPT->qual_empty()) 5149de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 5150de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5151de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian LHSInheritedProtocols.begin(), 5152de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = LHSInheritedProtocols.end(); I != E; ++I) { 5153de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian bool match = false; 5154de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *lhsProto = (*I); 5155de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 5156de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = rhsQID->qual_end(); J != E; ++J) { 5157de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 5158de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 5159de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 5160de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian match = true; 5161de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian break; 5162de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5163de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5164de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (!match) 5165de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 5166de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5167de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 51684084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 51694084c306635b70f37029dca938444e6013f08684Steve Naroff } 51704084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 51714084c306635b70f37029dca938444e6013f08684Steve Naroff} 51724084c306635b70f37029dca938444e6013f08684Steve Naroff 51734084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 51744084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 51754084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 51764084c306635b70f37029dca938444e6013f08684Steve Naroff/// 51774084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 51784084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 5179c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 5180c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 5181c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 51824084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 5183c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 5184c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 51854084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 51864084c306635b70f37029dca938444e6013f08684Steve Naroff 5187c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 51881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 51891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 51904084c306635b70f37029dca938444e6013f08684Steve Naroff false); 5191a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5192a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (LHS->isObjCQualifiedClass() && RHS->isObjCQualifiedClass()) 5193a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return ObjCQualifiedClassTypesAreCompatible(QualType(LHSOPT,0), 5194a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType(RHSOPT,0)); 5195a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5196c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 5197c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 51984084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 51991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52004084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 520114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 520214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5203132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 5204fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner/// for providing type-safety for objective-c pointers used to pass/return 5205132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 5206132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 5207132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 5208132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 5209132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 5210a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 5211a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian bool BlockReturnType) { 5212a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 5213132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 5214132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5215132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 5216132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 5217132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5218132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5219a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 5220132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 5221132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 5222132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 5223132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5224132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 5225132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 5226132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 5227132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 5228132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 5229a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian return BlockReturnType; 5230132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 5231a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian return !BlockReturnType; 5232132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5233132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 5234132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 5235132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5236132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 5237132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 5238132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5239e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 5240e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 5241e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 5242e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 5243e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 5244e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 5245e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 5246e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 5247e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 5248e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5249c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 5250c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 5251c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 5252c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 5253e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5254e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 5255e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 5256e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 5257e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 5258e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 5259432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 5260c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 5261c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 5262e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 5263e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 5264e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 5265e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5266e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 5267e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 5268cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 5269cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 5270e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 5271e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 5272e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 5273e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 5274e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 5275432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 5276c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 5277c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 5278432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5279432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 5280432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 5281432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 5282432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 5283e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 5284e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 5285e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5286db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 5287db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 5288db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 5289db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 5290db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 5291c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 5292c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 5293c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 5294c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 5295c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 5296c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 52977c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian if (!LDecl || !RDecl || (LDecl == RDecl)) 5298db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 5299db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 53007c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian do { 5301c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 5302e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 5303c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::SmallVector<ObjCProtocolDecl *, 8> Protocols; 5304c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 5305c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5306c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 5307c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 5308c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 5309c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 5310c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 5311e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 53127c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian } while ((LDecl = LDecl->getSuperClass())); 5313db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 5314db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 5315db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 5316db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 5317c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 5318c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 5319c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 5320c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 5321c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 53226ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 53236ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 5324c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 53256ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 53261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53276ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 53286ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 5329c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 53306ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 53311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5332b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, 5333b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // more detailed analysis is required. 5334b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (RHS->getNumProtocols() == 0) { 5335b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // OK, if LHS is a superclass of RHS *and* 5336b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // this superclass is assignment compatible with LHS. 5337b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // false otherwise. 5338627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian bool IsSuperClass = 5339627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian LHS->getInterface()->isSuperClassOf(RHS->getInterface()); 5340627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian if (IsSuperClass) { 5341b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // OK if conversion of LHS to SuperClass results in narrowing of types 5342b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // ; i.e., SuperClass may implement at least one of the protocols 5343b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // in LHS's protocol list. Example, SuperObj<P1> = lhs<P1,P2> is ok. 5344b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // But not SuperObj<P1,P2,P3> = lhs<P1,P2>. 5345b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> SuperClassInheritedProtocols; 5346627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian CollectInheritedProtocols(RHS->getInterface(), SuperClassInheritedProtocols); 5347b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // If super class has no protocols, it is not a match. 5348b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (SuperClassInheritedProtocols.empty()) 5349b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5350b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian 5351b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 5352b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian LHSPE = LHS->qual_end(); 5353b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian LHSPI != LHSPE; LHSPI++) { 5354b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian bool SuperImplementsProtocol = false; 5355b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian ObjCProtocolDecl *LHSProto = (*LHSPI); 5356b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian 5357b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5358b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian SuperClassInheritedProtocols.begin(), 5359b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian E = SuperClassInheritedProtocols.end(); I != E; ++I) { 5360b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian ObjCProtocolDecl *SuperClassProto = (*I); 5361b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (SuperClassProto->lookupProtocolNamed(LHSProto->getIdentifier())) { 5362b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian SuperImplementsProtocol = true; 5363b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian break; 5364b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5365b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5366b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (!SuperImplementsProtocol) 5367b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5368b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5369b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return true; 5370b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5371b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5372b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 53731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5374c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 5375c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 537691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 537791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 537891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 537991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 538091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 5381c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 5382c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 53838f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 53848f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 538591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 53868f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 53878f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 538891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 538991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 539091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 539191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 539291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 539391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 539491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 53956ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 53966ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 5397389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 5398389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 5399183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 5400183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 54011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 540214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 5403389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 540414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 540514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 540614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 5407389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 5408389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 5409569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorbool ASTContext::canBindObjCObjectType(QualType To, QualType From) { 5410569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return canAssignObjCInterfaces( 5411569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(To)->getAs<ObjCObjectPointerType>(), 5412569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(From)->getAs<ObjCObjectPointerType>()); 5413569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 5414569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 54151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 5416ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 54171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 5418ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 5419447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregorbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS, 5420447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool CompareUnqualified) { 54210e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 54220e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 54230e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 5424447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return !mergeTypes(LHS, RHS, false, CompareUnqualified).isNull(); 54253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 54263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5427132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 5428132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 5429132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 5430132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 54314846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeTransparentUnionType - if T is a transparent union type and a member 54324846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// of T is compatible with SubType, return the merged type, else return 54334846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// QualType() 54344846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeTransparentUnionType(QualType T, QualType SubType, 54354846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 54364846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 54374846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (const RecordType *UT = T->getAsUnionType()) { 54384846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne RecordDecl *UD = UT->getDecl(); 54394846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (UD->hasAttr<TransparentUnionAttr>()) { 54404846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne for (RecordDecl::field_iterator it = UD->field_begin(), 54414846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne itend = UD->field_end(); it != itend; ++it) { 5442f91d7572ee7fa6f2926c8e7e816039a1154a59f8Peter Collingbourne QualType ET = it->getType().getUnqualifiedType(); 54434846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType MT = mergeTypes(ET, SubType, OfBlockPointer, Unqualified); 54444846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!MT.isNull()) 54454846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return MT; 54464846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 54474846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 54484846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 54494846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 54504846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return QualType(); 54514846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 54524846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 54534846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeFunctionArgumentTypes - merge two types which appear as function 54544846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// argument types 54554846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeFunctionArgumentTypes(QualType lhs, QualType rhs, 54564846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 54574846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 54584846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // GNU extension: two types are compatible if they appear as a function 54594846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // argument, one of the types is a transparent union type and the other 54604846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // type is compatible with a union member 54614846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType lmerge = mergeTransparentUnionType(lhs, rhs, OfBlockPointer, 54624846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 54634846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!lmerge.isNull()) 54644846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return lmerge; 54654846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 54664846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType rmerge = mergeTransparentUnionType(rhs, lhs, OfBlockPointer, 54674846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 54684846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!rmerge.isNull()) 54694846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return rmerge; 54704846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 54714846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return mergeTypes(lhs, rhs, OfBlockPointer, Unqualified); 54724846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 54734846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 5474132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 5475447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5476447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 5477183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 5478183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 547972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 548072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 54813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 54823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 54833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 54843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 5485132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 5486d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (OfBlockPointer) { 5487d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType RHS = rbase->getResultType(); 5488d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType LHS = lbase->getResultType(); 5489d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian bool UnqualifiedResult = Unqualified; 5490d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (!UnqualifiedResult) 5491d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian UnqualifiedResult = (!RHS.hasQualifiers() && LHS.hasQualifiers()); 5492a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian retType = mergeTypes(LHS, RHS, true, UnqualifiedResult, true); 5493d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian } 5494132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 54958cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall retType = mergeTypes(lbase->getResultType(), rbase->getResultType(), false, 54968cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall Unqualified); 54973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 5498447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5499447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5500447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = retType.getUnqualifiedType(); 5501447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5502447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType LRetType = getCanonicalType(lbase->getResultType()); 5503447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType RRetType = getCanonicalType(rbase->getResultType()); 5504447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5505447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LRetType = LRetType.getUnqualifiedType(); 5506447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RRetType = RRetType.getUnqualifiedType(); 5507447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5508447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5509447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != LRetType) 551061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 5511447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != RRetType) 551261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 55138cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 55146a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 55156a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 55166a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 55176a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 5518264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 5519264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 55208cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 55218cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Compatible functions must have compatible calling conventions 55228cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (!isSameCallConv(lbaseInfo.getCC(), rbaseInfo.getCC())) 55238cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 55248cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 55258cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Regparm is part of the calling convention. 5526a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman if (lbaseInfo.getHasRegParm() != rbaseInfo.getHasRegParm()) 5527a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman return QualType(); 55288cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (lbaseInfo.getRegParm() != rbaseInfo.getRegParm()) 55298cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 55308cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 5531f85e193739c953358c865005855253af4f68a497John McCall if (lbaseInfo.getProducesResult() != rbaseInfo.getProducesResult()) 5532f85e193739c953358c865005855253af4f68a497John McCall return QualType(); 5533f85e193739c953358c865005855253af4f68a497John McCall 55348cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // It's noreturn if either type is. 55358cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // FIXME: some uses, e.g. conditional exprs, really want this to be 'both'. 55366a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 55378cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (NoReturn != lbaseInfo.getNoReturn()) 55386a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 55398cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (NoReturn != rbaseInfo.getNoReturn()) 55406a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 55411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5542f85e193739c953358c865005855253af4f68a497John McCall FunctionType::ExtInfo einfo = lbaseInfo.withNoReturn(NoReturn); 5543e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 55443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 5545465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 5546465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 55473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 55483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 55493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 55503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 55513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 55523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 55533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 55543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 55553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 55563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 55573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 55587fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 55597fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 55607fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 55613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 55623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman llvm::SmallVector<QualType, 10> types; 55633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 55643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 55653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 55664846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType argtype = mergeFunctionArgumentTypes(largtype, rargtype, 55674846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne OfBlockPointer, 55684846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 55693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 5570447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5571447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5572447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor argtype = argtype.getUnqualifiedType(); 5573447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 55743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 5575447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5576447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor largtype = largtype.getUnqualifiedType(); 5577447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor rargtype = rargtype.getUnqualifiedType(); 5578447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5579447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 558061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 558161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 558261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 558361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 55843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 55853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 55863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5587e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5588e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = lproto->getExtProtoInfo(); 5589e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 5590e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(retType, types.begin(), types.size(), EPI); 55913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 55923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 55933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 55943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 55953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 559672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 55973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 5598465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 55993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 56003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 56013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 56023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 56033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 56043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 56053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 56063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 56073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 5608b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 5609b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 5610b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 5611b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 5612b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 5613b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 56143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 56153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 56163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 56173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 56183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 56193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 56203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5621e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5622e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = proto->getExtProtoInfo(); 5623e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 56243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 5625e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall proto->getNumArgs(), EPI); 56263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 56273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 56283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 56293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 56308cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return getFunctionNoProtoType(retType, einfo); 56313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 56323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5633132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 5634447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5635a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian bool Unqualified, bool BlockReturnType) { 563643d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 563743d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 563843d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 56397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 56407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 56410e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 56420e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 5643447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5644447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5645447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHS = LHS.getUnqualifiedType(); 5646447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHS = RHS.getUnqualifiedType(); 5647447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 56480e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 56493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 56503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 56513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5652f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 56533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 56543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 56553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 56560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 5657a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 5658a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 56590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 56600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 56610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 56620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 5663f85e193739c953358c865005855253af4f68a497John McCall LQuals.getAddressSpace() != RQuals.getAddressSpace() || 5664f85e193739c953358c865005855253af4f68a497John McCall LQuals.getObjCLifetime() != RQuals.getObjCLifetime()) 56650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 56660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 56670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 56680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 56690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 56700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 56710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 56720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 56730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 56740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 56750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 56760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 56770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 56780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 56790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 56800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 56810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 56820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 56830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 56840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 56853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 56860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 56870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 56880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 56893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5690852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 5691852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 5692f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 56931adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 56941adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 56951adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 56961adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 56974c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 56984c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 5699a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 5700a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 5701a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 5702a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 57031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5704c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 5705c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 5706c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 5707c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5708213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 5709213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 5710213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 57111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 57124e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 57134e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 57141adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 57151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 5716842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 5717842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 5718183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 57193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 57203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 5721bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 5722183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 57233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 57243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 5725bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 57261adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 57273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 5728ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 57293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 57304a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 57311adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 573272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 573372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 5734ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 573572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 573672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 573772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 573872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 573972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 574072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 57417c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 57427c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 574372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 574472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 574572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 574672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 5747c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 574872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 574972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 575072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 575172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 575272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 575372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 575472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 57551adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 57563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 57573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 57586217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 57596217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 5760447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5761447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5762447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5763447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5764447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, false, 5765447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 57663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 576707d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 576861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 576907d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 577061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 57713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 57723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 5773c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 5774c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 5775c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 57766217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 57776217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 5778447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5779447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5780447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5781447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5782447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer, 5783447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 5784c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 5785c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 5786c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 5787c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 5788c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 5789c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 5790c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 57911adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 57923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 57933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 57943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 57953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 57963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 57973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 57983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 57993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 5800447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5801447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSElem = LHSElem.getUnqualifiedType(); 5802447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSElem = RHSElem.getUnqualifiedType(); 5803447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5804447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5805447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSElem, RHSElem, false, Unqualified); 58063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 580761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 580861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 580961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 581061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 58113bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 58123bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 58133bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 58143bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 58153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 58163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 581761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 581861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 581961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 582061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 58213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 58223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 58233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 58243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 58253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 58263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 58273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 58283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 58293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 58303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 58313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 58323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 58333bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 58343bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 58357e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 58367e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 58373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 58381adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 5839447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return mergeFunctionTypes(LHS, RHS, OfBlockPointer, Unqualified); 584072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 584172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 58423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 58431adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 58443cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 58453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 584664cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 584764cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 584864cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 58493cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 58505a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 58511c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 58521c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 58533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 585461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 5855c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 5856c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 58575a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 58585a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 5859c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 5860c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 5861c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 58625fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 58635fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 58643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 586561490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 586614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 5867132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 5868132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 5869132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 5870a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian RHS->getAs<ObjCObjectPointerType>(), 5871a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian BlockReturnType)) 5872132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 5873132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 5874132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5875183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 5876183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 587714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 587814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5879bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 5880132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5881ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 588272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 588372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 5884ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 58857192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 58862390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 58872390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 58882390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 58892390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 58902390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 58912390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 58922390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 58932390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 58942390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 58952390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 58962390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 58972390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 58982390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 58992390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 59002390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 59012390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 59022390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 59032390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 59042390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 59052390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59062390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 59072390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 59082390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 59092390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 59102390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 5911e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 5912e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getFunctionExtInfo(LHS); 59132390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 59142390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 5915e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FPT->getNumArgs(), EPI); 59162390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 59172390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 59182390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 59192390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59202390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 59212390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 59222390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 59232390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 59242390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 59252390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 59262390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 59272390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 59282390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 59292390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59302390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 59312390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 59322390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 59332390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 59342390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 59352390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 59362390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 59372390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 59382390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 59392390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 59402390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 59412390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59422390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 59432390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 59442390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 59452390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 59462390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 59472390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59482390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 59492390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 59502390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 59512390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 59522390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 59532390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 59542390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 59552390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 59562390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 59572390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 59582390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 59592390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59602390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 59612390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 59625426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 5963ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 5964ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 596588054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 59664ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getIntWidth(QualType T) const { 5967f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const EnumType *ET = dyn_cast<EnumType>(T)) 596829a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 59691274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (T->isBooleanType()) 59701274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor return 1; 5971f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 5972ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 5973ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5974ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 5975ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 5976f60946222721d9ba3c059563935c17b84703187aDouglas Gregor assert(T->hasSignedIntegerRepresentation() && "Unexpected type"); 59776a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 59786a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 59796a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 59806a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 5981e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VTy->getNumElements(), VTy->getVectorKind()); 59826a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 59836a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 59846a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 5985ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 59866a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 59876a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 59886a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 5989ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 5990ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 5991ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 5992ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 5993ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 5994ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 5995ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 5996ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 5997ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 5998ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 5999ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 6000ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 60012df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 60022df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 6003ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 6004ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 6005ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 6006ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 6007ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 6008ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 60097b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios KyrtzidisASTMutationListener::~ASTMutationListener() { } 60107b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios Kyrtzidis 601186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 601286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 601386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 601486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 601586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 601686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 601733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// pointer over the consumed characters. This returns the resultant type. If 601833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// AllowTypeModifiers is false then modifier like * are not parsed, just basic 601933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// types. This allows "v2i*" to be parsed as a pointer to a v2i instead of 602033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// a vector of "i*". 602114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// 602214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// RequiresICE is filled in on return to indicate whether the value is required 602314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// to be an Integer Constant Expression. 60244ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType DecodeTypeFromStr(const char *&Str, const ASTContext &Context, 602586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 602614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool &RequiresICE, 602733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner bool AllowTypeModifiers) { 602886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 602986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 603086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 603114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = false; 6032393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 603333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Read the prefixed modifiers first. 603486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 603586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 603686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 60371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 6038393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner case 'I': 603914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = true; 6040393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner break; 604186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 604286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 604386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 604486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 604586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 604686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 604786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 604886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 604986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 605086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 605186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 605286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 605386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 605486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 605586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 605686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 605786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 605886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 60591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 606086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 606186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 606286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 606386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 606486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 606586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 606686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 606786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 606886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 606986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 607086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 607186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 607286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 607386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 607486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 607586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 607686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 607786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 607886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 607986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 608086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 608186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 608286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 608386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 608486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 608586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 608686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 608786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 608886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 608986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 609086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 609186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 609286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 609386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 609486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 609586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 609686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 609786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 609886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 609986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 610086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 610186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 610286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 610386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 610486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 610586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 610686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 610786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 610886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 610986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 611086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 611186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 611286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 611386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 611486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 611586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 611686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 611786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 6118ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'G': 6119ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCIdType(); 6120ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 6121ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'H': 6122ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCSelType(); 6123ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 612486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 612586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 612686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 612786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 612886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 612986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 613086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 613186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 613286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 613386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 613486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 613586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 613686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 613786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 613886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 613914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (Type->isArrayType()) 614086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 614114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner else 614286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 614386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 614486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 614586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 614686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 614786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 614886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 61491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 615014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, 615114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, false); 615214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require vector ICE"); 615333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner 615433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // TODO: No way to make AltiVec vectors in builtins yet. 6155788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Type = Context.getVectorType(ElementType, NumElements, 6156e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 615786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 615886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6159d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 616014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, RequiresICE, 616114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner false); 616214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require complex ICE"); 6163d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 6164d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 6165d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor } 61669a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 6167c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 6168c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 6169f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 617086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 617186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6172fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 61739a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 6174f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 6175782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 6176f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 6177f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 6178f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 6179fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 6180f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 6181fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 6182fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 6183fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 6184782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 61851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 618633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // If there are modifiers and if we're allowed to parse them, go for it. 618733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Done = !AllowTypeModifiers; 618886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 6189187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 619033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner default: Done = true; --Str; break; 619133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '*': 619233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '&': { 619333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Both pointers and references can have their pointee types 619433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // qualified with an address space. 619533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner char *End; 619633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner unsigned AddrSpace = strtoul(Str, &End, 10); 619733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (End != Str && AddrSpace != 0) { 619833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getAddrSpaceQualType(Type, AddrSpace); 619933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Str = End; 620033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 620133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (c == '*') 620233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getPointerType(Type); 620333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner else 620433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getLValueReferenceType(Type); 620533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 620633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 620733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 620833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'C': 620933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Type.withConst(); 621033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 621133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'D': 621233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getVolatileType(Type); 621333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 621486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 621586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6216393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 621714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert((!RequiresICE || Type->isIntegralOrEnumerationType()) && 6218393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner "Integer constant 'I' type must be an integer"); 62191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 622086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 622186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 622286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 622386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 622433daae66462e8f51ee153463b32bdefd60c801aaChris LattnerQualType ASTContext::GetBuiltinType(unsigned Id, 622514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner GetBuiltinTypeError &Error, 62264ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned *IntegerConstantArgs) const { 622733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(Id); 62281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 622986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner llvm::SmallVector<QualType, 8> ArgTypes; 62301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 623114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool RequiresICE = false; 623286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 623314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error, 623414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, true); 623586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 623686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 623714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 623814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Result of intrinsic cannot be required to be an ICE"); 623914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 624086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 624114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error, RequiresICE, true); 624286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 624386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 624486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 624514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // If this argument is required to be an IntegerConstantExpression and the 624614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // caller cares, fill in the bitmask we return. 624714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (RequiresICE && IntegerConstantArgs) 624814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner *IntegerConstantArgs |= 1 << ArgTypes.size(); 624914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 625086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 625186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 625286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 62531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 625486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 625586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 625686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 625786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 625886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 625986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 626000ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall FunctionType::ExtInfo EI; 626100ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (BuiltinInfo.isNoReturn(Id)) EI = EI.withNoReturn(true); 626200ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 626300ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall bool Variadic = (TypeStr[0] == '.'); 626400ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 626500ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall // We really shouldn't be making a no-proto type here, especially in C++. 626600ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (ArgTypes.empty() && Variadic) 626700ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall return getFunctionNoProtoType(ResType, EI); 6268ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 6269e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI; 627000ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.ExtInfo = EI; 627100ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.Variadic = Variadic; 6272e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 6273e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), EPI); 627486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 6275a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 627690e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForFunction(const FunctionDecl *FD) { 627790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage External = GVA_StrongExternal; 627890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 627990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = FD->getLinkage(); 628090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 628190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 628290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 628390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 628490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 628590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 628690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 628790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (FD->getTemplateSpecializationKind()) { 628890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 628990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 629090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_StrongExternal; 629190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 629290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 629390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 629490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 629590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 629690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 629790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 629890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_TemplateInstantiation; 629990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 630090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 630190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 630290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 630390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isInlined()) 630490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 630590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 630690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!getLangOptions().CPlusPlus || FD->hasAttr<GNUInlineAttr>()) { 630790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // GNU or C99 inline semantics. Determine whether this symbol should be 630890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // externally visible. 630990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->isInlineDefinitionExternallyVisible()) 631090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 631190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 631290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C99 inline semantics, where the symbol is not externally visible. 631390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 631490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 631590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 631690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C++0x [temp.explicit]p9: 631790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // [ Note: The intent is that an inline function that is the subject of 631890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // an explicit instantiation declaration will still be implicitly 631990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // instantiated when used so that the body can be considered for 632090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // inlining, but that no out-of-line copy of the inline function would be 632190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // generated in the translation unit. -- end note ] 632290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->getTemplateSpecializationKind() 632390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis == TSK_ExplicitInstantiationDeclaration) 632490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 632590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 632690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_CXXInline; 632790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 632890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 632990e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForVariable(const VarDecl *VD) { 633090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // If this is a static data member, compute the kind of template 633190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // specialization. Otherwise, this variable is not part of a 633290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // template. 633390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TemplateSpecializationKind TSK = TSK_Undeclared; 633490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (VD->isStaticDataMember()) 633590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TSK = VD->getTemplateSpecializationKind(); 633690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 633790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = VD->getLinkage(); 633890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 633990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis VD->getType()->getLinkage() == UniqueExternalLinkage) 634090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 634190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 634290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 634390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 634490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 634590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 634690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 634790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 634890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 634990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (TSK) { 635090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 635190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 635290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 635390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 635490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 635590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis llvm_unreachable("Variable should not be instantiated"); 635690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Fall through to treat this like any other instantiation. 635790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 635890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 635990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 636090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 636190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 636290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_TemplateInstantiation; 636390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 636490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 636590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 636690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 636790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 636890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 63694ac7c0bb39696e92fd220118fedc484c09a69870Argyrios Kyrtzidisbool ASTContext::DeclMustBeEmitted(const Decl *D) { 637090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 637190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!VD->isFileVarDecl()) 637290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 637390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } else if (!isa<FunctionDecl>(D)) 637490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 637590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 6376ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis // Weak references don't produce any output by themselves. 6377ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (D->hasAttr<WeakRefAttr>()) 6378ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 6379ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 638090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Aliases and used decls are required. 638190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (D->hasAttr<AliasAttr>() || D->hasAttr<UsedAttr>()) 638290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 638390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 638490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 638590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Forward declarations aren't required. 638610620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt if (!FD->doesThisDeclarationHaveABody()) 638790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 638890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 638990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Constructors and destructors are required. 639090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->hasAttr<ConstructorAttr>() || FD->hasAttr<DestructorAttr>()) 639190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 639290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 639390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // The key function for a class is required. 639490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 639590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXRecordDecl *RD = MD->getParent(); 639690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (MD->isOutOfLine() && RD->isDynamicClass()) { 639790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXMethodDecl *KeyFunc = getKeyFunction(RD); 639890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (KeyFunc && KeyFunc->getCanonicalDecl() == MD->getCanonicalDecl()) 639990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 640090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 640190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 640290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 640390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage Linkage = GetGVALinkageForFunction(FD); 640490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 640590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // static, static inline, always_inline, and extern inline functions can 640690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // always be deferred. Normal inline functions can be deferred in C99/C++. 640790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Implicit template instantiations can also be deferred in C++. 640890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (Linkage == GVA_Internal || Linkage == GVA_C99Inline || 640990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage == GVA_CXXInline || Linkage == GVA_TemplateInstantiation) 641090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 641190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 641290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 641390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 641490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const VarDecl *VD = cast<VarDecl>(D); 641590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis assert(VD->isFileVarDecl() && "Expected file scoped var"); 641690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 6417ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (VD->isThisDeclarationADefinition() == VarDecl::DeclarationOnly) 6418ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 6419ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 642090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Structs that have non-trivial constructors or destructors are required. 642190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 642290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // FIXME: Handle references. 6423023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt // FIXME: Be more selective about which constructors we care about. 642490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const RecordType *RT = VD->getType()->getAs<RecordType>()) { 642590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl())) { 6426023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt if (RD->hasDefinition() && !(RD->hasTrivialDefaultConstructor() && 6427023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialCopyConstructor() && 6428023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialMoveConstructor() && 6429023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialDestructor())) 643090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 643190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 643290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 643390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 643490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage L = GetGVALinkageForVariable(VD); 643590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == GVA_Internal || L == GVA_TemplateInstantiation) { 643690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!(VD->getInit() && VD->getInit()->HasSideEffects(*this))) 643790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 643890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 643990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 644090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 644190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 6442071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 6443ee743f903858e337434ac0335f147f4de4ecae05Charles DavisCallingConv ASTContext::getDefaultMethodCallConv() { 6444ee743f903858e337434ac0335f147f4de4ecae05Charles Davis // Pass through to the C++ ABI object 6445ee743f903858e337434ac0335f147f4de4ecae05Charles Davis return ABI->getDefaultMethodCallConv(); 6446ee743f903858e337434ac0335f147f4de4ecae05Charles Davis} 6447ee743f903858e337434ac0335f147f4de4ecae05Charles Davis 64484ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::isNearlyEmpty(const CXXRecordDecl *RD) const { 6449dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson // Pass through to the C++ ABI object 6450dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson return ABI->isNearlyEmpty(RD); 6451dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson} 6452dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson 645314110477887e3dc168ffc6c191e72d705051f99ePeter CollingbourneMangleContext *ASTContext::createMangleContext() { 645414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne switch (Target.getCXXABI()) { 645514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_ARM: 645614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Itanium: 645714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createItaniumMangleContext(*this, getDiagnostics()); 645814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Microsoft: 645914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createMicrosoftMangleContext(*this, getDiagnostics()); 646014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne } 646114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne assert(0 && "Unsupported ABI"); 646214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return 0; 646314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne} 646414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 6465071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI::~CXXABI() {} 6466ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek 6467ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremeneksize_t ASTContext::getSideTableAllocatedMemory() const { 6468ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek size_t bytes = 0; 6469ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek bytes += ASTRecordLayouts.getMemorySize(); 6470ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek bytes += ObjCLayouts.getMemorySize(); 6471ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek bytes += KeyFunctions.getMemorySize(); 6472ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek bytes += ObjCImpls.getMemorySize(); 6473ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek bytes += BlockVarCopyInits.getMemorySize(); 6474ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek bytes += DeclAttrs.getMemorySize(); 6475ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek bytes += InstantiatedFromStaticDataMember.getMemorySize(); 6476ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek bytes += InstantiatedFromUsingDecl.getMemorySize(); 6477ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek bytes += InstantiatedFromUsingShadowDecl.getMemorySize(); 6478ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek bytes += InstantiatedFromUnnamedFieldDecl.getMemorySize(); 6479ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek return bytes; 6480ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek} 6481ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek 6482