ASTContext.cpp revision ffe37fdda5b4b4f162a45155c30d9f60ce110c12
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_()), 222006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis GlobalNestedNameSpecifier(0), IsInt128Installed(false), 223006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis CFConstantStringTypeDecl(0), NSConstantStringTypeDecl(0), 224782fa308a765aeac2acb39c4e697c937ec21185bMike Stump ObjCFastEnumerationStateTypeDecl(0), FILEDecl(0), jmp_bufDecl(0), 225083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump sigjmp_bufDecl(0), BlockDescriptorType(0), BlockDescriptorExtendedType(0), 22614b6ba77710d6431794d65c7d58c6f29c3dc956ePeter Collingbourne cudaConfigureCallDecl(0), 227bf1a028246d884a540aeafa38e89be59a269b072John McCall NullTypeSourceInfo(QualType()), 228207f4d8543529221932af82836016a2ef066c917Peter Collingbourne SourceMgr(SM), LangOpts(LOpts), ABI(createCXXABI(t)), 229207f4d8543529221932af82836016a2ef066c917Peter Collingbourne AddrSpaceMap(getAddressSpaceMap(t, LOpts)), Target(t), 2302e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Idents(idents), Selectors(sels), 231ac9590effa90406767a544005ed1de52e258306bTed Kremenek BuiltinInfo(builtins), 232ac9590effa90406767a544005ed1de52e258306bTed Kremenek DeclarationNames(*this), 2339a44b5f5593bd8a385d06b07c564795f643ec8daArgyrios Kyrtzidis ExternalSource(0), Listener(0), PrintingPolicy(LOpts), 234f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek LastSDM(0, 0), 2358178df3b39ab923ff5d24538812628abee33df79John McCall UniqueBlockByRefTypeID(0) { 2360f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCIdRedefinitionType = QualType(); 2370f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCClassRedefinitionType = QualType(); 23863fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor ObjCSelRedefinitionType = QualType(); 2391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 240e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 24114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff InitBuiltinTypes(); 242e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 243e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 2445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 2453478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // Release the DenseMaps associated with DeclContext objects. 2463478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: Is this the ideal solution? 2473478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek ReleaseDeclContextMaps(); 2487d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 24963fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Call all of the deallocation functions. 25063fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (unsigned I = 0, N = Deallocations.size(); I != N; ++I) 25163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor Deallocations[I].first(Deallocations[I].second); 2520054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2537d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // Release all of the memory associated with overridden C++ methods. 2547d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor for (llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::iterator 2557d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM = OverriddenMethods.begin(), OMEnd = OverriddenMethods.end(); 2567d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM != OMEnd; ++OM) 2577d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM->second.Destroy(); 2583478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek 259dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // ASTRecordLayout objects in ASTRecordLayouts must always be destroyed 26063fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // because they can contain DenseMaps. 26163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (llvm::DenseMap<const ObjCContainerDecl*, 26263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor const ASTRecordLayout*>::iterator 26363fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor I = ObjCLayouts.begin(), E = ObjCLayouts.end(); I != E; ) 26463fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Increment in loop to prevent using deallocated memory. 26563fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 26663fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor R->Destroy(*this); 26763fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor 268dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek for (llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 269dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { 270dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // Increment in loop to prevent using deallocated memory. 271dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 272dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek R->Destroy(*this); 273dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek } 2746320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 2756320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor for (llvm::DenseMap<const Decl*, AttrVec*>::iterator A = DeclAttrs.begin(), 2766320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AEnd = DeclAttrs.end(); 2776320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A != AEnd; ++A) 2786320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A->second->~AttrVec(); 2796320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 280ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 2810054531488928a424666ac11fcdc6bcc5112de52Douglas Gregorvoid ASTContext::AddDeallocation(void (*Callback)(void*), void *Data) { 2820054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor Deallocations.push_back(std::make_pair(Callback, Data)); 2830054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor} 2840054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 2862cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 2872cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 2882cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 2892cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, "*** AST Context Stats:\n"); 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d types total.\n", (int)Types.size()); 2937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 294dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 2951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 296dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 297dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 298dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 299dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 300c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 303dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 306dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 307dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 308dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 309dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 310dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, " %d %s types\n", (int)counts[Idx], #Name); \ 311dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 312dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 313dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 314dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 3151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 316dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, "Total bytes = %d\n", int(TotalBytes)); 317ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor 3184923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor // Implicit special member functions. 3191827403a7138946305c0058f262e02b595cf882fDouglas Gregor fprintf(stderr, " %u/%u implicit default constructors created\n", 3201827403a7138946305c0058f262e02b595cf882fDouglas Gregor NumImplicitDefaultConstructorsDeclared, 3211827403a7138946305c0058f262e02b595cf882fDouglas Gregor NumImplicitDefaultConstructors); 322225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor fprintf(stderr, " %u/%u implicit copy constructors created\n", 323225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor NumImplicitCopyConstructorsDeclared, 324225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor NumImplicitCopyConstructors); 325ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt if (getLangOptions().CPlusPlus) 326ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt fprintf(stderr, " %u/%u implicit move constructors created\n", 327ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt NumImplicitMoveConstructorsDeclared, 328ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt NumImplicitMoveConstructors); 329a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor fprintf(stderr, " %u/%u implicit copy assignment operators created\n", 330a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor NumImplicitCopyAssignmentOperatorsDeclared, 331a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor NumImplicitCopyAssignmentOperators); 332ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt if (getLangOptions().CPlusPlus) 333ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt fprintf(stderr, " %u/%u implicit move assignment operators created\n", 334ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt NumImplicitMoveAssignmentOperatorsDeclared, 335ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt NumImplicitMoveAssignmentOperators); 3364923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor fprintf(stderr, " %u/%u implicit destructors created\n", 3374923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor NumImplicitDestructorsDeclared, NumImplicitDestructors); 3384923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor 3392cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 3402cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor fprintf(stderr, "\n"); 3412cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 3422cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 343ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor 34463fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor BumpAlloc.PrintStats(); 3455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 348e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 3496b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 350e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 3516b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinTypes() { 3555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 3561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 3591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 36315b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 3645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 3655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 3675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 3685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 3731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 3765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 3775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 3785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 3795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 3801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 3825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 3835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 38564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 3862df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 3872df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 3882df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 3892df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 3903f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (LangOpts.CPlusPlus) { // C++ 3.9.1p5 391d3d77cd138f8e830f6547b6f83fcd5721ccf5f5dEli Friedman if (TargetInfo::isTypeSigned(Target.getWCharType())) 3923f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_S); 3933f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner else // -fshort-wchar makes wchar_t be unsigned. 3943f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_U); 3953f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner } else // C99 3963a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 39764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 398f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 399f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 400f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 401f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 402f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 403f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 404f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 405f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 406f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 407f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 408898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 409898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 410898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 411898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 412898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 413898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 4148e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 4152a984cad5ac3fdceeff2bd99daa7b90979313475John McCall // Placeholder type for functions. 4162a984cad5ac3fdceeff2bd99daa7b90979313475John McCall InitBuiltinType(OverloadTy, BuiltinType::Overload); 4172a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 418864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall // Placeholder type for bound members. 419864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall InitBuiltinType(BoundMemberTy, BuiltinType::BoundMember); 420864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 4211de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall // "any" type; useful for debugger-like clients. 4221de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall InitBuiltinType(UnknownAnyTy, BuiltinType::UnknownAny); 4231de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall 4245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 4255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 4288e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 4297e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 4301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 431de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // "Builtin" typedefs set by Sema::ActOnTranslationUnitScope(). 432de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = QualType(); 433de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = QualType(); 43413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = QualType(); 4351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43613dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 437de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 438de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 43913dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 44014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 441a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 4421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 44433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 4456e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 4466e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 4476e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 4485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 45078a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios KyrtzidisDiagnostic &ASTContext::getDiagnostics() const { 45178a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis return SourceMgr.getDiagnostics(); 45278a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis} 45378a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis 4546320064d0c60fa8683f5623881c9394fd4aa7689Douglas GregorAttrVec& ASTContext::getDeclAttrs(const Decl *D) { 4556320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AttrVec *&Result = DeclAttrs[D]; 4566320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (!Result) { 4576320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor void *Mem = Allocate(sizeof(AttrVec)); 4586320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Result = new (Mem) AttrVec; 4596320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 4606320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 4616320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor return *Result; 4626320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 4636320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 4646320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor/// \brief Erase the attributes corresponding to the given declaration. 4656320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregorvoid ASTContext::eraseDeclAttrs(const Decl *D) { 4666320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor llvm::DenseMap<const Decl*, AttrVec*>::iterator Pos = DeclAttrs.find(D); 4676320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (Pos != DeclAttrs.end()) { 4686320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Pos->second->~AttrVec(); 4696320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor DeclAttrs.erase(Pos); 4706320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 4716320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 4726320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 473251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 474663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 4757caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 476663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 4777caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 4787caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 4797caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 4801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4817caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 4827caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 4837caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 4841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 485251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 4869421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis TemplateSpecializationKind TSK, 4879421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis SourceLocation PointOfInstantiation) { 4887caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 4897caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 4907caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 4917caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 492251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 4939421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis = new (*this) MemberSpecializationInfo(Tmpl, TSK, PointOfInstantiation); 4947caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 4957caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 4967ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 497ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 4987ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 499ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 500ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 5010d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 5021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5030d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 5040d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 5050d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 5060d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 507ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 508ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 509ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 510ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 511ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 512ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 513ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 514ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 515ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 516ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 517ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 518ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 519ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 520ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 521ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 522ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 523ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 524ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 525ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 526ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 527ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 528ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 529ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 530ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 5310d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 5320d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 533d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 534d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 535d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 536d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 537d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 5381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 539d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 540d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 541d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 542d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 543d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 544d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 545d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 546d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 547d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 5481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 549d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 550d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 551d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 55214d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanianbool ASTContext::ZeroBitfieldFollowsNonBitfield(const FieldDecl *FD, 55314d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian const FieldDecl *LastFD) const { 55414d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian return (FD->isBitField() && LastFD && !LastFD->isBitField() && 55514d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian FD->getBitWidth()-> EvaluateAsInt(*this).getZExtValue() == 0); 55614d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian 55714d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian} 55814d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian 559340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanianbool ASTContext::ZeroBitfieldFollowsBitfield(const FieldDecl *FD, 560340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian const FieldDecl *LastFD) const { 561340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian return (FD->isBitField() && LastFD && LastFD->isBitField() && 562cc0f9f1a3b5df7fd308ff3d800fbbbbff805157dFariborz Jahanian FD->getBitWidth()-> EvaluateAsInt(*this).getZExtValue() == 0 && 563cc0f9f1a3b5df7fd308ff3d800fbbbbff805157dFariborz Jahanian LastFD->getBitWidth()-> EvaluateAsInt(*this).getZExtValue() != 0); 564340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian 565340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian} 566340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian 5679b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanianbool ASTContext::BitfieldFollowsBitfield(const FieldDecl *FD, 5689b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian const FieldDecl *LastFD) const { 5699b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian return (FD->isBitField() && LastFD && LastFD->isBitField() && 5709b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian FD->getBitWidth()-> EvaluateAsInt(*this).getZExtValue() && 5719b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian LastFD->getBitWidth()-> EvaluateAsInt(*this).getZExtValue()); 5729b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian} 5739b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian 57452bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanianbool ASTContext::NoneBitfieldFollowsBitfield(const FieldDecl *FD, 57552bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian const FieldDecl *LastFD) const { 57652bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian return (!FD->isBitField() && LastFD && LastFD->isBitField() && 57752bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian LastFD->getBitWidth()-> EvaluateAsInt(*this).getZExtValue()); 57852bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian} 57952bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian 58052bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanianbool ASTContext::BitfieldFollowsNoneBitfield(const FieldDecl *FD, 58152bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian const FieldDecl *LastFD) const { 58252bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian return (FD->isBitField() && LastFD && !LastFD->isBitField() && 58352bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian FD->getBitWidth()-> EvaluateAsInt(*this).getZExtValue()); 58452bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian} 58552bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian 5867d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 5877d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 5887d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 5897d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 5907d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 5917d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 5927d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 5937d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 5947d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 5957d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 5967d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 5977d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 5987d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 5997d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 6007d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 6017d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 6027d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 6037d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 6047d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 6057d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 606c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidisunsigned 607c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios KyrtzidisASTContext::overridden_methods_size(const CXXMethodDecl *Method) const { 608c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 609c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis = OverriddenMethods.find(Method); 610c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis if (Pos == OverriddenMethods.end()) 611c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return 0; 612c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 613c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return Pos->second.size(); 614c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis} 615c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 6167d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 6177d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 6187d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 6197d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 6207d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 621464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 622464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 623464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 624a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 625b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 626b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 627b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 628183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 629b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 630b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 631b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 632b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 633b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 634b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 635b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 636b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 637b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 6388b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 639af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 640af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 6415d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 6425d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 6434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) const { 644dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 645dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 6464081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall bool UseAlignAttrOnly = false; 6474081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (unsigned AlignFromAttr = D->getMaxAlignment()) { 6484081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall Align = AlignFromAttr; 6494081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall 6504081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // __attribute__((aligned)) can increase or decrease alignment 6514081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // *except* on a struct or struct member, where it only increases 6524081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // alignment unless 'packed' is also specified. 6534081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // 6544081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // It is an error for [[align]] to decrease alignment, so we can 6554081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // ignore that possibility; Sema should diagnose it. 6564081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (isa<FieldDecl>(D)) { 6574081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = D->hasAttr<PackedAttr>() || 6584081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 6594081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else { 6604081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = true; 6614081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 6624081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 66378a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian else if (isa<FieldDecl>(D)) 66478a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian UseAlignAttrOnly = 66578a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian D->hasAttr<PackedAttr>() || 66678a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 667dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 668ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // If we're using the align attribute only, just ignore everything 669ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // else about the declaration and its type. 6704081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (UseAlignAttrOnly) { 671ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // do nothing 672ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 6734081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 674af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 6756217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 6765d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 6775d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 6785d484e8cf710207010720589d89602233de61d01Sebastian Redl else 6795d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 6805d484e8cf710207010720589d89602233de61d01Sebastian Redl } 6815d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 6823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Adjust alignments of declarations with array type by the 6833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // large-array alignment on the target. 6846deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned MinWidth = Target.getLargeArrayMinWidth(); 6853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *arrayType; 6863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (MinWidth && (arrayType = getAsArrayType(T))) { 6873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (isa<VariableArrayType>(arrayType)) 6883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Align = std::max(Align, Target.getLargeArrayAlign()); 6893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall else if (isa<ConstantArrayType>(arrayType) && 6903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall MinWidth <= getTypeSize(cast<ConstantArrayType>(arrayType))) 6913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Align = std::max(Align, Target.getLargeArrayAlign()); 6923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 6933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Walk through any array types while we're at it. 6943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall T = getBaseElementType(arrayType); 6956deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola } 696dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 697dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 698ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 699ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Fields can be subject to extra alignment constraints, like if 700ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the field is packed, the struct is packed, or the struct has a 701ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // a max-field-alignment constraint (#pragma pack). So calculate 702ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the actual alignment of the field within the struct, and then 703ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // (as we're expected to) constrain that by the alignment of the type. 704ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (const FieldDecl *field = dyn_cast<FieldDecl>(VD)) { 705ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // So calculate the alignment of the field. 706ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall const ASTRecordLayout &layout = getASTRecordLayout(field->getParent()); 707ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 708ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Start with the record's overall alignment. 709dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck unsigned fieldAlign = toBits(layout.getAlignment()); 710ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 711ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Use the GCD of that and the offset within the record. 712ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t offset = layout.getFieldOffset(field->getFieldIndex()); 713ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (offset > 0) { 714ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Alignment is always a power of 2, so the GCD will be a power of 2, 715ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // which means we get to do this crazy thing instead of Euclid's. 716ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t lowBitOfOffset = offset & (~offset + 1); 717ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (lowBitOfOffset < fieldAlign) 718ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall fieldAlign = static_cast<unsigned>(lowBitOfOffset); 719ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall } 720ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 721ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall Align = std::min(Align, fieldAlign); 72205f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 723af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 724dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 725eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(Align); 726af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 727b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 728ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 729bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(const Type *T) const { 730ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 731eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return std::make_pair(toCharUnitsFromBits(Info.first), 732eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck toCharUnitsFromBits(Info.second)); 733ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 734ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 735ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 736bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(QualType T) const { 737ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 738ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 739ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 740a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 741a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 7420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 7430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 7440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 7450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 746d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 7474ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getTypeInfo(const Type *T) const { 7485e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 7495e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 750a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 75172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 75272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 75318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 75472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 75572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 75618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor assert(false && "Should not see dependent types"); 75772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 75872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 7595d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 7605d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 76118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 76218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 76318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 76418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 76518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 76672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 767fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 76818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 76918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 77018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 77118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 772fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 7731d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 7741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 77598be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 7769e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 777030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 778cd88b4171753dcb2bc0a21d78f1597c796bb8a20Argyrios Kyrtzidis Width = llvm::RoundUpToAlignment(Width, Align); 779030d8846c7e520330007087e949f621989876e3aChris Lattner break; 7805c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 781213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 782030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 7839fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 7849fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 7859fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 7864bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 7876fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 7886fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 7898eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 7909fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 7919fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 7929fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 793030d8846c7e520330007087e949f621989876e3aChris Lattner break; 794030d8846c7e520330007087e949f621989876e3aChris Lattner } 7955d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 7969e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 797a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 798692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 799d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 80018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 80118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 80218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 80318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 80418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 8056f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 8069e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 8079e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 8086f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 809692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 810692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 811692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 8126f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 8139e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 8149e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 8156f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 8163f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 8173f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 81864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 81964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 82064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 821f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 822f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar16Width(); 823f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar16Align(); 824f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 825f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 826f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar32Width(); 827f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar32Align(); 828f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 829692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 8306f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 8319e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 8329e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 8336f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 834692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 8356f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 8369e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 8379e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 8386f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 839692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 8406f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 8419e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 8429e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 8436f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 844692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 8456f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 8469e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 8479e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 8486f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 849ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 850ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 851ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 852ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 853ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 8546f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 8559e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 8569e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 8576f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 8586f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 8595426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 8605426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 8616f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 8626f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 8639e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 8649e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 8656f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 8666e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 8676e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Width = Target.getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 8686e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Align = Target.getPointerAlign(0); // == sizeof(void*) 8691590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 870e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCId: 871e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCClass: 872e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCSel: 873e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Width = Target.getPointerWidth(0); 874e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Align = Target.getPointerAlign(0); 875e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian break; 876a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 877bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 878d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 8795426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 880f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 8816f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 882485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 883207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace( 884207f4d8543529221932af82836016a2ef066c917Peter Collingbourne cast<BlockPointerType>(T)->getPointeeType()); 885485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 886485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 887485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 888485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 8895d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 8905d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 8915d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 8925d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 893207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace( 894207f4d8543529221932af82836016a2ef066c917Peter Collingbourne cast<ReferenceType>(T)->getPointeeType()); 8955d484e8cf710207010720589d89602233de61d01Sebastian Redl Width = Target.getPointerWidth(AS); 8965d484e8cf710207010720589d89602233de61d01Sebastian Redl Align = Target.getPointerAlign(AS); 8975d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 8985d484e8cf710207010720589d89602233de61d01Sebastian Redl } 899f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 900207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace(cast<PointerType>(T)->getPointeeType()); 9015426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 902f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 903f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 904f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 905f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 906071cc7deffad608165b1ddd5263e8bf181861520Charles Davis const MemberPointerType *MPT = cast<MemberPointerType>(T); 9071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 9081cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 909071cc7deffad608165b1ddd5263e8bf181861520Charles Davis Width = PtrDiffInfo.first * ABI->getMemberPointerSize(MPT); 9101cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 9111cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 912f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 9135d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 9145d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 9155d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 9161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 91798be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 9189e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 9195d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 9205d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 9215d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 922c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 923c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 92444a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 9251d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 92644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 927dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 928dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 92944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 93044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 93172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 93272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 9331d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 9341d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 9351d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 93622ce41d9fc8509da65858c75bf5b3c4dae2d8c04Douglas Gregor Width = 8; 93722ce41d9fc8509da65858c75bf5b3c4dae2d8c04Douglas Gregor Align = 8; 9388389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 9398389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 9401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9411d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 9427176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 9437176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 9441d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 9457176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 946dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 947dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 948dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 949a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 9507532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 9519fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 95249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 95349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 95449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 95534b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: { 95634b41d939a1328f484511c6002ba2456db879a29Richard Smith const AutoType *A = cast<AutoType>(T); 95734b41d939a1328f484511c6002ba2456db879a29Richard Smith assert(A->isDeduced() && "Cannot request the size of a dependent type"); 958dc856aff4428380baa9afb5577ea04f8fb6beb13Matt Beaumont-Gay return getTypeInfo(A->getDeducedType().getTypePtr()); 95934b41d939a1328f484511c6002ba2456db879a29Richard Smith } 96034b41d939a1328f484511c6002ba2456db879a29Richard Smith 961075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara case Type::Paren: 962075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return getTypeInfo(cast<ParenType>(T)->getInnerType().getTypePtr()); 963075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 96418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 965162e1c1b487352434552147967c3dd296ebee2f7Richard Smith const TypedefNameDecl *Typedef = cast<TypedefType>(T)->getDecl(); 966df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor std::pair<uint64_t, unsigned> Info 967df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor = getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 968c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // If the typedef has an aligned attribute on it, it overrides any computed 969c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // alignment we have. This violates the GCC documentation (which says that 970c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // attribute(aligned) can only round up) but matches its implementation. 971c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner if (unsigned AttrAlign = Typedef->getMaxAlignment()) 972c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = AttrAlign; 973c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner else 974c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = Info.second; 975df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Width = Info.first; 9767532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 9777176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 97818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 97918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 98018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 98118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 98218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 98318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 98418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 98518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 986395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 987395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 988395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 989395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 990ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt case Type::UnaryTransform: 991ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return getTypeInfo(cast<UnaryTransformType>(T)->getUnderlyingType()); 992ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 993465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 994465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 9951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9969d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall case Type::Attributed: 9979d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return getTypeInfo( 9989d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall cast<AttributedType>(T)->getEquivalentType().getTypePtr()); 9999d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 10003e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith case Type::TemplateSpecialization: { 10011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 100218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 10033e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith const TemplateSpecializationType *TST = cast<TemplateSpecializationType>(T); 10043e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // A type alias template specialization may refer to a typedef with the 10053e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // aligned attribute on it. 10063e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TST->isTypeAlias()) 10073e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return getTypeInfo(TST->getAliasedType().getTypePtr()); 10083e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else 10093e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return getTypeInfo(getCanonicalType(T)); 10103e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 10113e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 101218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 10131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1014464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 10159e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 1016a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 1017a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1018eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck/// toCharUnitsFromBits - Convert a size in bits to a size in characters. 1019eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen DyckCharUnits ASTContext::toCharUnitsFromBits(int64_t BitSize) const { 1020eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return CharUnits::fromQuantity(BitSize / getCharWidth()); 1021eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck} 1022eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck 1023dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck/// toBits - Convert a size in characters to a size in characters. 1024dd76a9ab9ea675671200f94b18ce95766841952bKen Dyckint64_t ASTContext::toBits(CharUnits CharSize) const { 1025dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck return CharSize.getQuantity() * getCharWidth(); 1026dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck} 1027dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck 1028bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 1029bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 10304ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(QualType T) const { 1031eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 1032bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 10334ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(const Type *T) const { 1034eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 1035bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 1036bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 103716e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 103886fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 10394ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(QualType T) const { 1040eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 104186fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 10424ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(const Type *T) const { 1043eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 104486fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 104586fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 104634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 104734ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 104834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 104934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 10504ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getPreferredTypeAlign(const Type *T) const { 105134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 10521eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 10531eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 1054183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 10551eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 10561eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 10571eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 10581eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 10591eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 106034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 106134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 106234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 10638e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// ShallowCollectObjCIvars - 10648e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// Collect all ivars, including those synthesized, in the current class. 10658e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// 10668e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianvoid ASTContext::ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 10674ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) const { 10682c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian // FIXME. This need be removed but there are two many places which 10692c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian // assume const-ness of ObjCInterfaceDecl 10702c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian ObjCInterfaceDecl *IDecl = const_cast<ObjCInterfaceDecl *>(OI); 10712c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCIvarDecl *Iv = IDecl->all_declared_ivar_begin(); Iv; 10722c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian Iv= Iv->getNextIvar()) 10732c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian Ivars.push_back(Iv); 10742c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian} 10752c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian 10762c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// DeepCollectObjCIvars - 10772c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// This routine first collects all declared, but not synthesized, ivars in 10782c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// super class and then collects all ivars, including those synthesized for 10792c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// current class. This routine is used for implementation of current class 10802c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// when all ivars, declared and synthesized are known. 10819820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 10822c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanianvoid ASTContext::DeepCollectObjCIvars(const ObjCInterfaceDecl *OI, 10832c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian bool leafClass, 10844ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) const { 10852c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 10862c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(SuperClass, false, Ivars); 10872c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (!leafClass) { 10882c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 10892c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian E = OI->ivar_end(); I != E; ++I) 109011062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 109111062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian } 10922c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian else 10932c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian ShallowCollectObjCIvars(OI, Ivars); 10949820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 10959820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 1096e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 1097e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 1098e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 1099432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 1100e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 110153b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // We can use protocol_iterator here instead of 110253b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // all_referenced_protocol_iterator since we are walking all categories. 110353b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCInterfaceDecl::all_protocol_iterator P = OI->all_referenced_protocol_begin(), 110453b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek PE = OI->all_referenced_protocol_end(); P != PE; ++P) { 1105e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1106432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1107e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1108b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 1109b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 1110e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1111e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1112b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 1113e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 1114e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 1115e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 1116e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 1117e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 1118e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 1119e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 1120e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 1121e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 1122e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1123b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 112453b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCCategoryDecl::protocol_iterator P = OC->protocol_begin(), 1125e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 1126e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1127432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1128e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1129e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1130e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1131e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1132b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 1133e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 1134e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 1135e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1136432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1137e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1138e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1139e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1140e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1141e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1142e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 1143e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 11444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) const { 11453bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 11463bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 114780aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian for (const ObjCCategoryDecl *CDecl = OI->getFirstClassExtension(); CDecl; 114880aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian CDecl = CDecl->getNextClassExtension()) 1149b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 1150b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 11513bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 11523bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 11533bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 1154b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 1155b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 11568e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 11578e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 11588e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 11598a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 11608a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 11618a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 11628a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 11638a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 11648a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 11658a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 11668a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11678a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 11688a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 11698a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 11708a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 11718a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 11728a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 11738a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 11748a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11758a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 11768a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 11778a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 11788a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 11798a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 11808a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 11818a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11828a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 11838a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 11848a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 11858a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 11868a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 11878a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11888a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 11891ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Get the copy initialization expression of VarDecl,or NULL if 11901ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// none exists. 1191830937bc1100fba7682f7c32c40512085870f50cFariborz JahanianExpr *ASTContext::getBlockVarCopyInits(const VarDecl*VD) { 1192d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD && "Passed null params"); 1193d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1194d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "getBlockVarCopyInits - not __block var"); 1195830937bc1100fba7682f7c32c40512085870f50cFariborz Jahanian llvm::DenseMap<const VarDecl*, Expr*>::iterator 1196d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian I = BlockVarCopyInits.find(VD); 11971ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian return (I != BlockVarCopyInits.end()) ? cast<Expr>(I->second) : 0; 11981ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 11991ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 12001ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Set the copy inialization expression of a block var decl. 12011ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanianvoid ASTContext::setBlockVarCopyInits(VarDecl*VD, Expr* Init) { 12021ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian assert(VD && Init && "Passed null params"); 1203d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1204d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "setBlockVarCopyInits - not __block var"); 12051ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian BlockVarCopyInits[VD] = Init; 12061ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 12071ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 1208a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 1209b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1210a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 1211b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 1212b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1213b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 1214b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 1215b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 1216a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 12174ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned DataSize) const { 1218109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 1219109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 1220109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 1221109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 1222a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 1223109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 1224a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 1225a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 1226a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 1227a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 1228b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 1229b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1230a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 12316952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor SourceLocation L) const { 1232a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 1233c21c7e9c2cded68f91be15be6847c9649242dc17Douglas Gregor DI->getTypeLoc().initialize(const_cast<ASTContext &>(*this), L); 1234a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 1235a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 1236a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 1237b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 12384ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) const { 1239b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 1240b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1241b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1242b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 12434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCImplementationLayout( 12444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ObjCImplementationDecl *D) const { 1245b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 1246b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1247b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1248a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1249a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 1250a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1251a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 12524ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 12533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallASTContext::getExtQualType(const Type *baseType, Qualifiers quals) const { 12543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned fastQuals = quals.getFastQualifiers(); 12553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall quals.removeFastQualifiers(); 12560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 12570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 12580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 12593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals::Profile(ID, baseType, quals); 12603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 12613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ExtQuals *eq = ExtQualNodes.FindNodeOrInsertPos(ID, insertPos)) { 12623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(eq->getQualifiers() == quals); 12633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 12640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 12650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 12663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the base type is not canonical, make the appropriate canonical type. 12673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 12683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!baseType->isCanonicalUnqualified()) { 12693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = baseType->getCanonicalTypeInternal().split(); 12703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonSplit.second.addConsistentQualifiers(quals); 12713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getExtQualType(canonSplit.first, canonSplit.second); 12723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 12733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Re-find the insert position. 12743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall (void) ExtQualNodes.FindNodeOrInsertPos(ID, insertPos); 12753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 12763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 12773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals *eq = new (*this, TypeAlignment) ExtQuals(baseType, canon, quals); 12783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQualNodes.InsertNode(eq, insertPos); 12793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 12800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 12810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 12824ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 12834ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) const { 1284f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1285f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1286f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1287b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 12880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 12890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 12900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 12910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 12921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 12940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 12950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 12960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 12970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 12981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1300ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1301ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1302b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 13034ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Qualifiers::GC GCAttr) const { 1304d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1305b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1306d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 13071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13087f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (const PointerType *ptr = T->getAs<PointerType>()) { 13097f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall QualType Pointee = ptr->getPointeeType(); 131058f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 13114027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 13124027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 13134027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 13144027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 13151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 13170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 13180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 13190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 13201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 13220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 13230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 13240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 13250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 13261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1328d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1329a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1330e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCallconst FunctionType *ASTContext::adjustFunctionType(const FunctionType *T, 1331e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionType::ExtInfo Info) { 1332e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (T->getExtInfo() == Info) 1333e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return T; 1334e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1335e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType Result; 1336e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(T)) { 1337e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionNoProtoType(FNPT->getResultType(), Info); 1338e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } else { 1339e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall const FunctionProtoType *FPT = cast<FunctionProtoType>(T); 1340e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 1341e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall EPI.ExtInfo = Info; 1342e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1343e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FPT->getNumArgs(), EPI); 1344e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 1345e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1346e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return cast<FunctionType>(Result.getTypePtr()); 1347e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall} 1348e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 13495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 13505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 13514ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getComplexType(QualType T) const { 13525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 13535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 13545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 13555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 13561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 13595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 13601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 13625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 13635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1364467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1365f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 13661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1369c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 13705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13716b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 13725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 13745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 13785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 13794ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPointerType(QualType T) const { 13805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 13815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 13825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 13835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 13841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 13875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 13881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 13905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 13915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1392467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1393f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 13941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1397c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 13985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13996b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 14005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 14025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 14065618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 14074ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockPointerType(QualType T) const { 1408296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1409296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 14105618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 14115618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 14125618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 14131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14145618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 14155618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 14165618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 14175618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 14181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 14205618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 14215618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1422467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 14235618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 14241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14255618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 14265618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 14275618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1428c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14295618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 14306b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 14316b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 14325618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 14335618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 14345618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 14355618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 14365618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 14377c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 14387c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 14394ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 14404ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) const { 14419625e44c0252485277a340746ed8ac950686156fDouglas Gregor assert(getCanonicalType(T) != OverloadTy && 14429625e44c0252485277a340746ed8ac950686156fDouglas Gregor "Unresolved overloaded function type"); 14439625e44c0252485277a340746ed8ac950686156fDouglas Gregor 14445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 14455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 14465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 144754e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 14485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14507c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 14517c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 14525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 14537c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 145454e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 145554e14c4db764c0636160d26c5bbf491637c83a76John McCall 14565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 14575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 14585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 145954e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 146054e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 146154e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 14627c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14637c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 14647c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 14657c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1466c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14677c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 14687c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14696b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 147054e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 147154e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 14727c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 14737c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 147454e14c4db764c0636160d26c5bbf491637c83a76John McCall 14757c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 14767c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 14777c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14787c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 14797c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 14804ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRValueReferenceType(QualType T) const { 14817c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 14827c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 14837c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 148454e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 14857c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14867c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 14877c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 14887c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 14897c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 14907c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 149154e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 149254e14c4db764c0636160d26c5bbf491637c83a76John McCall 14937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 14947c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 14957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 149654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 149754e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 149854e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 14997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 15017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 15027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1503c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15066b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 15076b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 15085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 15097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 15105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1513f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1514f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 15154ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) const { 1516f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1517f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1518f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1519f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1520f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1521f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1522f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1523f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1524f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1525f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1526f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1527f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1528f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 152987c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1530f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1531f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1532f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1533f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1534f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1535c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 1536f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 15376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 15386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1539f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1540f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1541f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1542f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1543f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 15441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1545fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 15461eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 154738aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1548c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 154963e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals) const { 1550923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1551923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1552587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1553587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 155438aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 155538aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 155638aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 15579f71a8f4c7a182a5236da9e747d57cc1d1bd24c2Jay Foad ArySize = 1558207f4d8543529221932af82836016a2ef066c917Peter Collingbourne ArySize.zextOrTrunc(Target.getPointerWidth(getTargetAddressSpace(EltTy))); 15591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 156163e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, IndexTypeQuals); 15621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 15657192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 15665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 15671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the element type isn't canonical or has qualifiers, this won't 15693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // be a canonical type either, so fill in the canonical type field. 15703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 15713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 15723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 15733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getConstantArrayType(QualType(canonSplit.first, 0), ArySize, 157463e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ASM, IndexTypeQuals); 15753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getQualifiedType(Canon, canonSplit.second); 15763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 15775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 15781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 15797192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1580c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15836b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 158463e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType(EltTy, Canon, ArySize, ASM, IndexTypeQuals); 15857192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 15865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 15875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1590ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// getVariableArrayDecayedType - Turns the given type, which may be 1591ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// variably-modified, into the corresponding type with all the known 1592ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// sizes replaced with [*]. 1593ce8890371fcdb983ae487c87fa40606a34896ff7John McCallQualType ASTContext::getVariableArrayDecayedType(QualType type) const { 1594ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Vastly most common case. 1595ce8890371fcdb983ae487c87fa40606a34896ff7John McCall if (!type->isVariablyModifiedType()) return type; 1596ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1597ce8890371fcdb983ae487c87fa40606a34896ff7John McCall QualType result; 1598ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1599ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SplitQualType split = type.getSplitDesugaredType(); 1600ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const Type *ty = split.first; 1601ce8890371fcdb983ae487c87fa40606a34896ff7John McCall switch (ty->getTypeClass()) { 1602ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define TYPE(Class, Base) 1603ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define ABSTRACT_TYPE(Class, Base) 1604ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 1605ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#include "clang/AST/TypeNodes.def" 1606ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("didn't desugar past all non-canonical types?"); 1607ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1608ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types should never be variably-modified. 1609ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Builtin: 1610ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Complex: 1611ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Vector: 1612ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ExtVector: 1613ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedExtVector: 1614ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObject: 1615ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCInterface: 1616ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObjectPointer: 1617ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Record: 1618ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Enum: 1619ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::UnresolvedUsing: 1620ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOfExpr: 1621ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOf: 1622ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Decltype: 1623ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt case Type::UnaryTransform: 1624ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentName: 1625ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::InjectedClassName: 1626ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateSpecialization: 1627ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentTemplateSpecialization: 1628ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateTypeParm: 1629ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::SubstTemplateTypeParmPack: 163034b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: 1631ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::PackExpansion: 1632ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("type should never be variably-modified"); 1633ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1634ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified but should never need to 1635ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // further decay. 1636ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionNoProto: 1637ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionProto: 1638ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::BlockPointer: 1639ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::MemberPointer: 1640ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return type; 1641ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1642ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified. All these modifications 1643ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // preserve structure except as noted by comments. 1644ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // TODO: if we ever care about optimizing VLAs, there are no-op 1645ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // optimizations available here. 1646ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Pointer: 1647ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getPointerType(getVariableArrayDecayedType( 1648ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cast<PointerType>(ty)->getPointeeType())); 1649ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1650ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1651ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::LValueReference: { 1652ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const LValueReferenceType *lv = cast<LValueReferenceType>(ty); 1653ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getLValueReferenceType( 1654ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType()), 1655ce8890371fcdb983ae487c87fa40606a34896ff7John McCall lv->isSpelledAsLValue()); 1656ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1657745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1658ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1659ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::RValueReference: { 1660ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const RValueReferenceType *lv = cast<RValueReferenceType>(ty); 1661ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getRValueReferenceType( 1662ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType())); 1663ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1664745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1665745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1666ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ConstantArray: { 1667ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const ConstantArrayType *cat = cast<ConstantArrayType>(ty); 1668ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getConstantArrayType( 1669ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(cat->getElementType()), 1670ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSize(), 1671ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSizeModifier(), 1672ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getIndexTypeCVRQualifiers()); 1673ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1674745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1675745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1676ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedArray: { 1677ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const DependentSizedArrayType *dat = cast<DependentSizedArrayType>(ty); 1678ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getDependentSizedArrayType( 1679ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(dat->getElementType()), 1680ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeExpr(), 1681ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeModifier(), 1682ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getIndexTypeCVRQualifiers(), 1683ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getBracketsRange()); 1684ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1685ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1686ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1687ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn incomplete types into [*] types. 1688ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::IncompleteArray: { 1689ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const IncompleteArrayType *iat = cast<IncompleteArrayType>(ty); 1690ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1691ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(iat->getElementType()), 1692ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1693ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Normal, 1694ce8890371fcdb983ae487c87fa40606a34896ff7John McCall iat->getIndexTypeCVRQualifiers(), 1695ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SourceRange()); 1696ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1697ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1698ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1699ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn VLA types into [*] types. 1700ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::VariableArray: { 1701ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const VariableArrayType *vat = cast<VariableArrayType>(ty); 1702ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1703ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(vat->getElementType()), 1704ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1705ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Star, 1706ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getIndexTypeCVRQualifiers(), 1707ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getBracketsRange()); 1708ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1709ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1710ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1711ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1712ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Apply the top-level qualifiers from the original. 1713ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return getQualifiedType(result, split.second); 1714ce8890371fcdb983ae487c87fa40606a34896ff7John McCall} 1715745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1716bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1717bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 17187e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 17197e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1720c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 172163e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals, 17224ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceRange Brackets) const { 1723c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1724c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 17253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 1726715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 17273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Be sure to pull qualifiers off the element type. 17283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 17293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 17303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getVariableArrayType(QualType(canonSplit.first, 0), NumElts, ASM, 173163e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara IndexTypeQuals, Brackets); 17323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getQualifiedType(Canon, canonSplit.second); 1733715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor } 1734715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 17356b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 173663e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara VariableArrayType(EltTy, Canon, NumElts, ASM, IndexTypeQuals, Brackets); 1737c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1738c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1739c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1740c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1741c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1742c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1743898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1744898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 174504d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 17463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getDependentSizedArrayType(QualType elementType, 17473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Expr *numElements, 1748898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 17493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals, 17503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SourceRange brackets) const { 17513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert((!numElements || numElements->isTypeDependent() || 17523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements->isValueDependent()) && 1753898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1754898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 17553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Dependently-sized array types that do not have a specified number 17563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of elements will have their sizes deduced from a dependent 17573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // initializer. We do no canonicalization here at all, which is okay 17583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // because they can't be used in most locations. 17593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!numElements) { 17603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *newType 17613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 17623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, QualType(), 17633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements, ASM, elementTypeQuals, 17643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 17653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 17663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1767cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1768cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 17693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we actually build a new type every time, but we 17703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // also build a canonical type. 17711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonElementType = getCanonicalType(elementType).split(); 1773898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 17743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 17753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall llvm::FoldingSetNodeID ID; 17763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType::Profile(ID, *this, 17773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(canonElementType.first, 0), 17783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, numElements); 17793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Look for an existing type with these properties. 17813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *canonTy = 17823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.FindNodeOrInsertPos(ID, insertPos); 17833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we don't have one, build one. 17853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!canonTy) { 17863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonTy = new (*this, TypeAlignment) 17873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, QualType(canonElementType.first, 0), 17883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(), numElements, ASM, elementTypeQuals, 17893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 17903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.InsertNode(canonTy, insertPos); 17913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(canonTy); 17923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 17933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Apply qualifiers from the element type to the array. 17953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon = getQualifiedType(QualType(canonTy,0), 17963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonElementType.second); 17973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we didn't need extra canonicalization for the element type, 17993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // then just use that as our result. 18003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (QualType(canonElementType.first, 0) == elementType) 18013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return canon; 18023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we need to build a type which follows the spelling 18043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of the element type. 18053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *sugaredType 18063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 18073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, canon, numElements, 18083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, brackets); 18093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(sugaredType); 18103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(sugaredType, 0); 18113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 18123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getIncompleteArrayType(QualType elementType, 1814c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 18153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals) const { 1816c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 18173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType::Profile(ID, elementType, ASM, elementTypeQuals); 1818c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 18193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 18203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (IncompleteArrayType *iat = 18213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos)) 18223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(iat, 0); 1823c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1824c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 18253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // either, so fill in the canonical type field. We also have to pull 18263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // qualifiers off the element type. 18273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 1828c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 18293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!elementType.isCanonical() || elementType.hasLocalQualifiers()) { 18303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(elementType).split(); 18313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getIncompleteArrayType(QualType(canonSplit.first, 0), 18323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals); 18333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getQualifiedType(canon, canonSplit.second); 1834c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1835c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 18363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *existing = 18373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos); 18383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!existing && "Shouldn't be in the map!"); (void) existing; 18392bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1840c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 18413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *newType = new (*this, TypeAlignment) 18423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType(elementType, canon, ASM, elementTypeQuals); 1843c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 18443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.InsertNode(newType, insertPos); 18453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 18463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1847fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1848fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 184973322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 185073322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 185182287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 18524ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad VectorType::VectorKind VecKind) const { 18533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(vecType->isBuiltinType()); 18541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 18565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1857e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::Profile(ID, vecType, NumElts, Type::Vector, VecKind); 1858788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 18595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 18605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 18615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 18625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 18645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 18655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1866255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (!vecType.isCanonical()) { 1867231da7eb3dd13007e5e40fffe48998e5ef284e06Bob Wilson Canonical = getVectorType(getCanonicalType(vecType), NumElts, VecKind); 18681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 18705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1871c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 18725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18736b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 1874e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(vecType, NumElts, Canonical, VecKind); 18755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 18765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 18775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 18785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1880213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 188173322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 18824ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 18834ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getExtVectorType(QualType vecType, unsigned NumElts) const { 18843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(vecType->isBuiltinType()); 18851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 188673322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 188773322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 1888788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, 1889e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 189073322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 189173322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 189273322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 189373322924127c873c13101b705dd823f5539ffa5fSteve Naroff 189473322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 189573322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 189673322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1897467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1898213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 18991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 190073322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 190173322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1902c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 190373322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 19046b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 19056b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 190673322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 190773322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 190873322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 190973322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 191073322924127c873c13101b705dd823f5539ffa5fSteve Naroff 19114ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 19124ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentSizedExtVectorType(QualType vecType, 19134ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Expr *SizeExpr, 19144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation AttrLoc) const { 19152ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 19161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 19172ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 19181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19192ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 19202ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 19212ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 19222ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 19232ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 19242ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 19252ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 19266b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 19276b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 19286b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 19292ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 19302ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 19312ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 19326b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 19336b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 19346b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 1935789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1936789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 1937789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1938789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 1939789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 19402ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 19412ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 19422ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 19432ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 19446b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 19456b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 19462ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 19472ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 19481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19499cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 19509cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 19519cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 19529cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 195372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 19545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 19554ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 19564ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionNoProtoType(QualType ResultTy, 19574ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionType::ExtInfo &Info) const { 1958cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv DefaultCC = Info.getCC(); 1959cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv CallConv = (LangOpts.MRTD && DefaultCC == CC_Default) ? 1960cfe9af250f466e7e38becea4428990448ae07737Roman Divacky CC_X86StdCall : DefaultCC; 19615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 19625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 19635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1964264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 19651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 19671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 196872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 19695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 19701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1972ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 197304a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 1974264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 1975264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 1976264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 19771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 197972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 198072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1981c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 19825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1984cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionProtoType::ExtInfo newInfo = Info.withCallingConv(CallConv); 19856b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 1986cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionNoProtoType(ResultTy, Canonical, newInfo); 19875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 198872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 19895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 19905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 19915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 19935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 19944ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 19954ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionType(QualType ResultTy, 19964ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const QualType *ArgArray, unsigned NumArgs, 19974ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionProtoType::ExtProtoInfo &EPI) const { 19985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 19995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 20005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 20018026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, EPI, *this); 20025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 20041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 200572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 20065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 2007465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2008465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 20098b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl bool isCanonical= EPI.ExceptionSpecType == EST_None && ResultTy.isCanonical(); 20105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 201154e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 20125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 20135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2014cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv DefaultCC = EPI.ExtInfo.getCC(); 2015cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv CallConv = (LangOpts.MRTD && DefaultCC == CC_Default) ? 2016cfe9af250f466e7e38becea4428990448ae07737Roman Divacky CC_X86StdCall : DefaultCC; 2017e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 20185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 2019465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 20205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 202104a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 20225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> CanonicalArgs; 20235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 20245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 202554e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 2026465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2027e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo CanonicalEPI = EPI; 20288b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl CanonicalEPI.ExceptionSpecType = EST_None; 20298b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl CanonicalEPI.NumExceptions = 0; 2030e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.ExtInfo 2031e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall = CanonicalEPI.ExtInfo.withCallingConv(getCanonicalCallConv(CallConv)); 2032e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2033f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 2034beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 2035e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI); 2036465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 20375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 203872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 203972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 2040c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 20415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2042465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 204372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // FunctionProtoType objects are allocated with extra bytes after them 2044465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // for two variable size arrays (for parameter and exception types) at the 204560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // end of them. Instead of the exception types, there could be a noexcept 204660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // expression and a context pointer. 2047e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall size_t Size = sizeof(FunctionProtoType) + 204860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NumArgs * sizeof(QualType); 204960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EPI.ExceptionSpecType == EST_Dynamic) 205060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl Size += EPI.NumExceptions * sizeof(QualType); 205160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl else if (EPI.ExceptionSpecType == EST_ComputedNoexcept) { 20528026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl Size += sizeof(Expr*); 205360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 2054e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType *FTP = (FunctionProtoType*) Allocate(Size, TypeAlignment); 2055cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionProtoType::ExtProtoInfo newEPI = EPI; 2056cfe9af250f466e7e38becea4428990448ae07737Roman Divacky newEPI.ExtInfo = EPI.ExtInfo.withCallingConv(CallConv); 20578026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, Canonical, newEPI); 20585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 205972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 20605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 20615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 20625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20633cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 20643cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 20653cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 20663cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 20673cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 20683cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 20693cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 20703cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 20713cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 20723cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 20733cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 20743cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 20753cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 20763cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 20773cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 20783cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 20794ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType TST) const { 20803cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 20813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 20823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 208337ffed3b7f229844cae2463ff82b527506c86c74Argyrios Kyrtzidis } else if (CXXRecordDecl *PrevDecl = Decl->getPreviousDeclaration()) { 20843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 20853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 20863cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 20873cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 2088f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = 208931f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 2090f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2091f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 20923cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 20933cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 20943cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 20953cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 20962ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 20972ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 20984ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) const { 20991e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 2100becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 21011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2102162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (const TypedefNameDecl *Typedef = dyn_cast<TypedefNameDecl>(Decl)) 21032ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 2104becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 2105becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 2106becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 2107becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 210819c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 2109becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 2110becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 2111becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 2112400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getRecordType(Record); 211319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 2114becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 2115becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 2116400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getEnumType(Enum); 211719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 2118ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 2119f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = new (*this, TypeAlignment) UnresolvedUsingType(Using); 2120f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2121f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 21229fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 2123becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 212449aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 212549aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 21262ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 21272ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 21285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 2129162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// specified typedef name decl. 21309763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2131162e1c1b487352434552147967c3dd296ebee2f7Richard SmithASTContext::getTypedefType(const TypedefNameDecl *Decl, 2132162e1c1b487352434552147967c3dd296ebee2f7Richard Smith QualType Canonical) const { 21335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 21341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21359763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (Canonical.isNull()) 21369763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canonical = getCanonicalType(Decl->getUnderlyingType()); 2137f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall TypedefType *newType = new(*this, TypeAlignment) 21386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 2139f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2140f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2141f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 21425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 21435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRecordType(const RecordDecl *Decl) const { 2145400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2146400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2147400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const RecordDecl *PrevDecl = Decl->getPreviousDeclaration()) 2148400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2149400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2150400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2151f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall RecordType *newType = new (*this, TypeAlignment) RecordType(Decl); 2152f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2153f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2154f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2155400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2156400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 21574ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getEnumType(const EnumDecl *Decl) const { 2158400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2159400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2160400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const EnumDecl *PrevDecl = Decl->getPreviousDeclaration()) 2161400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2162400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2163400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2164f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall EnumType *newType = new (*this, TypeAlignment) EnumType(Decl); 2165f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2166f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2167f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2168400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2169400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 21709d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallQualType ASTContext::getAttributedType(AttributedType::Kind attrKind, 21719d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modifiedType, 21729d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType equivalentType) { 21739d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall llvm::FoldingSetNodeID id; 21749d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType::Profile(id, attrKind, modifiedType, equivalentType); 21759d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 21769d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall void *insertPos = 0; 21779d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType *type = AttributedTypes.FindNodeOrInsertPos(id, insertPos); 21789d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall if (type) return QualType(type, 0); 21799d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 21809d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType canon = getCanonicalType(equivalentType); 21819d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall type = new (*this, TypeAlignment) 21829d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType(canon, attrKind, modifiedType, equivalentType); 21839d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 21849d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Types.push_back(type); 21859d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypes.InsertNode(type, insertPos); 21869d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 21879d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return QualType(type, 0); 21889d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall} 21899d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 21909d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 219149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 219249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 219349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 21944ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Replacement) const { 2195467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 219649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 219749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 219849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 219949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 220049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 220149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 220249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 220349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 220449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 220549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 220649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 220749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 220849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 220949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 221049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 221149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 221249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 221349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 2214c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// \brief Retrieve a 2215c3069d618f4661d923cb1b5c4525b082fce73b04Douglas GregorQualType ASTContext::getSubstTemplateTypeParmPackType( 2216c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Parm, 2217c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack) { 2218c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#ifndef NDEBUG 2219c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor for (TemplateArgument::pack_iterator P = ArgPack.pack_begin(), 2220c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor PEnd = ArgPack.pack_end(); 2221c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor P != PEnd; ++P) { 2222c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getKind() == TemplateArgument::Type &&"Pack contains a non-type"); 2223c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getAsType().isCanonical() && "Pack contains non-canonical type"); 2224c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2225c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#endif 2226c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2227c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor llvm::FoldingSetNodeID ID; 2228c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType::Profile(ID, Parm, ArgPack); 2229c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor void *InsertPos = 0; 2230c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (SubstTemplateTypeParmPackType *SubstParm 2231c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos)) 2232c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2233c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2234c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType Canon; 2235c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (!Parm->isCanonicalUnqualified()) { 2236c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getCanonicalType(QualType(Parm, 0)); 2237c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getSubstTemplateTypeParmPackType(cast<TemplateTypeParmType>(Canon), 2238c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2239c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos); 2240c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2241c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2242c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType *SubstParm 2243c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = new (*this, TypeAlignment) SubstTemplateTypeParmPackType(Parm, Canon, 2244c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2245c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Types.push_back(SubstParm); 2246c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 2247c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2248c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor} 2249c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2250fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 22511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 225276e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 22531eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 225476e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 22554fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *TTPDecl) const { 2256fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 22574fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, TTPDecl); 2258fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 22591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 2260fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2261fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2262fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 2263fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 22641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22654fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth if (TTPDecl) { 226676e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 22674fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TypeParm = new (*this, TypeAlignment) TemplateTypeParmType(TTPDecl, Canon); 2268789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2269789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 2270789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2271789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 2272789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 227376e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 22746b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 22756b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 2276fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2277fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 2278fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 2279fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2280fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 2281fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 2282fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 22833cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 22843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 22853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 22863cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 22873e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 22887c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Name.getAsDependentTemplateName() && 22897c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 22903e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType TST = getTemplateSpecializationType(Name, Args, Underlying); 22913cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 22923cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 22933cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 22943cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 22953cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 22963cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 22973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 22983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 22993cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 23003cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 23013cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 23023cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 23031eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 23047532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 2305d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 23063e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 23077c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 23087c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 23097c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 2310d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 2311d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 2312833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall llvm::SmallVector<TemplateArgument, 4> ArgVec; 2313833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 2314833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 2315833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 2316833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 231731f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 23183e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Underlying); 2319833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 2320833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2321833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 2322833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 23237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 23247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 23253e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 23267c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 23277c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 23280f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor // Look through qualified template names. 23290f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) 23300f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor Template = TemplateName(QTN->getTemplateDecl()); 23317c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 23323e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith bool isTypeAlias = 23333e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Template.getAsTemplateDecl() && 23343e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith isa<TypeAliasTemplateDecl>(Template.getAsTemplateDecl()); 23353e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 23363e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType CanonType; 23373e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (!Underlying.isNull()) 23383e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType = getCanonicalType(Underlying); 23393e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else { 23403e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith assert(!isTypeAlias && 23413e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith "Underlying type for template alias must be computed by caller"); 23423e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType = getCanonicalTemplateSpecializationType(Template, Args, 23433e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith NumArgs); 23443e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 2345fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 23461275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 23471275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 23481275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 23493e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith void *Mem = Allocate(sizeof(TemplateSpecializationType) + 23503e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith sizeof(TemplateArgument) * NumArgs + 23513e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith (isTypeAlias ? sizeof(QualType) : 0), 23526b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 23531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 2354ef99001908e799c388f1363b1e607dad5f5b57d3John McCall = new (Mem) TemplateSpecializationType(Template, 235531f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 23563e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType, 23573e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith isTypeAlias ? Underlying : QualType()); 23581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 235955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 23601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 236155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 236255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 23631eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 23649763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getCanonicalTemplateSpecializationType(TemplateName Template, 23659763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis const TemplateArgument *Args, 23664ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumArgs) const { 23677c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 23687c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 23693e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith assert((!Template.getAsTemplateDecl() || 23703e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith !isa<TypeAliasTemplateDecl>(Template.getAsTemplateDecl())) && 23713e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith "Underlying type for template alias must be computed by caller"); 23723e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 23730f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor // Look through qualified template names. 23740f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) 23750f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor Template = TemplateName(QTN->getTemplateDecl()); 23767c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 23779763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Build the canonical template specialization type. 23789763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateName CanonTemplate = getCanonicalTemplateName(Template); 23799763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::SmallVector<TemplateArgument, 4> CanonArgs; 23809763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.reserve(NumArgs); 23819763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis for (unsigned I = 0; I != NumArgs; ++I) 23829763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 23839763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 23849763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Determine whether this canonical template specialization type already 23859763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // exists. 23869763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::FoldingSetNodeID ID; 23879763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType::Profile(ID, CanonTemplate, 23889763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, *this); 23899763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 23909763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *InsertPos = 0; 23919763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType *Spec 23929763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 23939763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 23949763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (!Spec) { 23959763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Allocate a new canonical template specialization type. 23969763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *Mem = Allocate((sizeof(TemplateSpecializationType) + 23979763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis sizeof(TemplateArgument) * NumArgs), 23989763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TypeAlignment); 23999763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Spec = new (Mem) TemplateSpecializationType(CanonTemplate, 24009763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, 24013e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType(), QualType()); 24029763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Types.push_back(Spec); 24039763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 24049763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis } 24059763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24069763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis assert(Spec->isDependentType() && 24079763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis "Non-dependent template-id type must have a canonical type"); 24089763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis return QualType(Spec, 0); 24099763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis} 24109763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24119763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2412465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 2413465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 24144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType NamedType) const { 2415e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 2416465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 2417e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2418e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 2419465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2420e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 2421e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2422e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2423789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 2424789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 2425789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 2426465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2427465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 2428789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 2429789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 2430789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2431465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 2432e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 2433465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 2434e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2435e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 2436e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2437075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo BagnaraQualType 24384ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getParenType(QualType InnerType) const { 2439075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara llvm::FoldingSetNodeID ID; 2440075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType::Profile(ID, InnerType); 2441075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2442075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void *InsertPos = 0; 2443075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *T = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2444075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (T) 2445075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2446075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2447075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Canon = InnerType; 2448075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (!Canon.isCanonical()) { 2449075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Canon = getCanonicalType(InnerType); 2450075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *CheckT = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2451075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara assert(!CheckT && "Paren canonical type broken"); 2452075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara (void)CheckT; 2453075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 2454075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2455075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara T = new (*this) ParenType(InnerType, Canon); 2456075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Types.push_back(T); 2457075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenTypes.InsertNode(T, InsertPos); 2458075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2459075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara} 2460075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 24614a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 24624a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 24634a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 24644ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Canon) const { 2465d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 2466d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2467d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 2468d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 24694a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 24704a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 24714a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 24724a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 24734a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 24744a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 2475d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2476d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2477d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 24784a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 2479d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2480d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 24814714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 24824714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 2483d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 2484d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 2485d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 24864a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 2487d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 24884714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 24891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 2490d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2491d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 24921eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 249333500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 249433500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 24954a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 249633500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 24974ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgumentListInfo &Args) const { 249833500955d731c73717af52088b7fc0e7a85681e7John McCall // TODO: avoid this copy 249933500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> ArgCopy; 250033500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0, E = Args.size(); I != E; ++I) 250133500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.push_back(Args[I].getArgument()); 250233500955d731c73717af52088b7fc0e7a85681e7John McCall return getDependentTemplateSpecializationType(Keyword, NNS, Name, 250333500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.size(), 250433500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.data()); 250533500955d731c73717af52088b7fc0e7a85681e7John McCall} 250633500955d731c73717af52088b7fc0e7a85681e7John McCall 250733500955d731c73717af52088b7fc0e7a85681e7John McCallQualType 250833500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 250933500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 251033500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 251133500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 251233500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 25134ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgument *Args) const { 2514aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor assert((!NNS || NNS->isDependent()) && 2515aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor "nested-name-specifier must be dependent"); 25161734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2517789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 251833500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType::Profile(ID, *this, Keyword, NNS, 251933500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args); 2520789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2521789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 252233500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType *T 252333500955d731c73717af52088b7fc0e7a85681e7John McCall = DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 2524789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 2525789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 2526789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 252733500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 252833500955d731c73717af52088b7fc0e7a85681e7John McCall 252933500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword CanonKeyword = Keyword; 253033500955d731c73717af52088b7fc0e7a85681e7John McCall if (Keyword == ETK_None) CanonKeyword = ETK_Typename; 25311734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 253233500955d731c73717af52088b7fc0e7a85681e7John McCall bool AnyNonCanonArgs = false; 253333500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> CanonArgs(NumArgs); 253433500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0; I != NumArgs; ++I) { 253533500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs[I] = getCanonicalTemplateArgument(Args[I]); 253633500955d731c73717af52088b7fc0e7a85681e7John McCall if (!CanonArgs[I].structurallyEquals(Args[I])) 253733500955d731c73717af52088b7fc0e7a85681e7John McCall AnyNonCanonArgs = true; 2538789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 25391734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 254033500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon; 254133500955d731c73717af52088b7fc0e7a85681e7John McCall if (AnyNonCanonArgs || CanonNNS != NNS || CanonKeyword != Keyword) { 254233500955d731c73717af52088b7fc0e7a85681e7John McCall Canon = getDependentTemplateSpecializationType(CanonKeyword, CanonNNS, 254333500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, 254433500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs.data()); 254533500955d731c73717af52088b7fc0e7a85681e7John McCall 254633500955d731c73717af52088b7fc0e7a85681e7John McCall // Find the insert position again. 254733500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 254833500955d731c73717af52088b7fc0e7a85681e7John McCall } 254933500955d731c73717af52088b7fc0e7a85681e7John McCall 255033500955d731c73717af52088b7fc0e7a85681e7John McCall void *Mem = Allocate((sizeof(DependentTemplateSpecializationType) + 255133500955d731c73717af52088b7fc0e7a85681e7John McCall sizeof(TemplateArgument) * NumArgs), 255233500955d731c73717af52088b7fc0e7a85681e7John McCall TypeAlignment); 2553ef99001908e799c388f1363b1e607dad5f5b57d3John McCall T = new (Mem) DependentTemplateSpecializationType(Keyword, NNS, 255433500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args, Canon); 25551734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 255633500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.InsertNode(T, InsertPos); 25571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 25581734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 25591734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2560cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas GregorQualType ASTContext::getPackExpansionType(QualType Pattern, 2561cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) { 25627536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor llvm::FoldingSetNodeID ID; 2563cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor PackExpansionType::Profile(ID, Pattern, NumExpansions); 25647536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 25657536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor assert(Pattern->containsUnexpandedParameterPack() && 25667536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor "Pack expansions must expand one or more parameter packs"); 25677536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void *InsertPos = 0; 25687536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionType *T 25697536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor = PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 25707536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (T) 25717536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 25727536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 25737536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Canon; 25747536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (!Pattern.isCanonical()) { 2575cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Canon = getPackExpansionType(getCanonicalType(Pattern), NumExpansions); 25767536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 25777536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor // Find the insert position again. 25787536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 25797536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 25807536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 2581cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor T = new (*this) PackExpansionType(Pattern, Canon, NumExpansions); 25827536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor Types.push_back(T); 25837536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.InsertNode(T, InsertPos); 25847536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 25857536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor} 25867536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 258788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 258888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 258988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 259088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 25912e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 259288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 259388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2594c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 259554e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 259654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 259754e14c4db764c0636160d26c5bbf491637c83a76John McCall 259854e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 259954e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 260054e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 260154e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 260254e14c4db764c0636160d26c5bbf491637c83a76John McCall} 260354e14c4db764c0636160d26c5bbf491637c83a76John McCall 260454e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 260588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 260688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 26071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 260888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 260988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 261088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 261188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 261288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 261388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 261488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 261588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2616c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2617c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 26184ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumProtocols) const { 2619c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2620c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2621c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2622c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2623d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2624c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2625c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2626c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2627d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2628c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2629c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2630d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2631c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2632c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 263354e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2634c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2635c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2636c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 26370237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 26380237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 263954e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 264054e14c4db764c0636160d26c5bbf491637c83a76John McCall 264154e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2642c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2643c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 264454e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2645c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2646c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 264754e14c4db764c0636160d26c5bbf491637c83a76John McCall } 264854e14c4db764c0636160d26c5bbf491637c83a76John McCall 264954e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2650c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 265154e14c4db764c0636160d26c5bbf491637c83a76John McCall } 265254e14c4db764c0636160d26c5bbf491637c83a76John McCall 2653c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2654c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2655fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2656c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2657c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 26581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2659c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2660c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2661c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2662d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 266388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2664c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2665c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 26664ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) const { 26674b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2668c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 26691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26704b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2671c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2672c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 26734b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 26741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2675c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 267654e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2677c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2678c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 267954e14c4db764c0636160d26c5bbf491637c83a76John McCall 2680c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2681c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 268254e14c4db764c0636160d26c5bbf491637c83a76John McCall } 268354e14c4db764c0636160d26c5bbf491637c83a76John McCall 2684c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2685c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2686c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2687c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 268824fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 268924fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2690c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 269124fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 269224fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 269324fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2694deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// getObjCInterfaceType - Return the unique reference to the type for the 2695deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// specified ObjC interface decl. The list of protocols is optional. 26964ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) const { 2697deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor if (Decl->TypeForDecl) 2698deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(Decl->TypeForDecl, 0); 269974c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl 2700deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor // FIXME: redeclarations? 2701deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2702deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2703deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Decl->TypeForDecl = T; 2704deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Types.push_back(T); 2705deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(T, 0); 2706c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2707c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 270872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 270972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 27109752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 27111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 27129752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 27134ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfExprType(Expr *tofExpr) const { 2714dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2715b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2716b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2717b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 27181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2719b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2720b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2721b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2722b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2723b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2724b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 27256b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2726b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 2727b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2728b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor else { 2729b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 27306b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 27316b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2732b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2733b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2734b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2735b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2736dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 27376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2738dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 27399752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 27409752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2741d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2742d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 27439752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 27449752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 27459752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 27461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 27479752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 27484ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfType(QualType tofType) const { 2749f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 27506b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 27519752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 27529752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2753d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2754d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 275560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 275660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 27574ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType getDecltypeForExpr(const Expr *e, const ASTContext &Context) { 2758a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2759a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 27601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 276160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 276260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 276360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 276460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 276560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 276660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 276760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 276860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 276960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 277060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 277160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 277260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 277360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 277460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 277560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 27761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 277760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 27781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 278060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 27817eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall if (e->isLValue()) 278260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 27831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 278460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 278560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 278660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2787395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2788395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2789395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 27901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2791395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 27924ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getDecltypeType(Expr *e) const { 2793dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 27949d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (e->isTypeDependent()) { 27959d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 27969d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 27971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27989d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 27999d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 28009d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 28019d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 28029d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 28039d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 28046b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 28059d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 28069d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 28079d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor else { 28089d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 28096b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 28109d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 28119d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 28129d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 28139d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2814dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 28156b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2816dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2817395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2818395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2819395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2820395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 2821ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// getUnaryTransformationType - We don't unique these, since the memory 2822ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// savings are minimal and these are rare. 2823ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean HuntQualType ASTContext::getUnaryTransformType(QualType BaseType, 2824ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType UnderlyingType, 2825ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType::UTTKind Kind) 2826ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt const { 2827ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType *Ty = 282869d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor new (*this, TypeAlignment) UnaryTransformType (BaseType, UnderlyingType, 282969d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor Kind, 283069d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor UnderlyingType->isDependentType() ? 283169d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor QualType() : UnderlyingType); 2832ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt Types.push_back(Ty); 2833ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return QualType(Ty, 0); 2834ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt} 2835ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 2836483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith/// getAutoType - We only unique auto types after they've been deduced. 283734b41d939a1328f484511c6002ba2456db879a29Richard SmithQualType ASTContext::getAutoType(QualType DeducedType) const { 2838483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith void *InsertPos = 0; 2839483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (!DeducedType.isNull()) { 2840483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith // Look in the folding set for an existing type. 2841483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith llvm::FoldingSetNodeID ID; 2842483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType::Profile(ID, DeducedType); 2843483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (AutoType *AT = AutoTypes.FindNodeOrInsertPos(ID, InsertPos)) 2844483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 2845483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith } 2846483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith 2847483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType *AT = new (*this, TypeAlignment) AutoType(DeducedType); 2848483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith Types.push_back(AT); 2849483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (InsertPos) 2850483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoTypes.InsertNode(AT, InsertPos); 2851483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 285234b41d939a1328f484511c6002ba2456db879a29Richard Smith} 285334b41d939a1328f484511c6002ba2456db879a29Richard Smith 2854ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith/// getAutoDeductType - Get type pattern for deducing against 'auto'. 2855ad762fcdc16b9e4705b12b09d92b8c026212b906Richard SmithQualType ASTContext::getAutoDeductType() const { 2856ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith if (AutoDeductTy.isNull()) 2857ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith AutoDeductTy = getAutoType(QualType()); 2858ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert(!AutoDeductTy.isNull() && "can't build 'auto' pattern"); 2859ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith return AutoDeductTy; 2860ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith} 2861ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 2862ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith/// getAutoRRefDeductType - Get type pattern for deducing against 'auto &&'. 2863ad762fcdc16b9e4705b12b09d92b8c026212b906Richard SmithQualType ASTContext::getAutoRRefDeductType() const { 2864ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith if (AutoRRefDeductTy.isNull()) 2865ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith AutoRRefDeductTy = getRValueReferenceType(getAutoDeductType()); 2866ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert(!AutoRRefDeductTy.isNull() && "can't build 'auto &&' pattern"); 2867ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith return AutoRRefDeductTy; 2868ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith} 2869ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 28705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 28715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 28724ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTagDeclType(const TagDecl *Decl) const { 2873d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2874e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2875e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2876e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 28775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 28785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 28791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 28801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 28811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 2882a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 2883b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 28845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 28855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 288664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 288764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 288864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 288964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 289064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 289164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 289264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 289364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 289464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 289564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 289664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 289764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 289864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 289964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 29008b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 29018b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 29028b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 2903b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 29048b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 29058b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 2906e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2907e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 2908e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2909e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 29104ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCanQualType ASTContext::getCanonicalParamType(QualType T) const { 291154e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 291254e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 291354e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 2914745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = getVariableArrayDecayedType(T); 291554e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 291654e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 291754e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 291854e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 291954e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 292054e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 292154e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 292254e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 292354e14c4db764c0636160d26c5bbf491637c83a76John McCall } 292454e14c4db764c0636160d26c5bbf491637c83a76John McCall 292554e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 292654e14c4db764c0636160d26c5bbf491637c83a76John McCall} 292754e14c4db764c0636160d26c5bbf491637c83a76John McCall 2928c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 292962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallQualType ASTContext::getUnqualifiedArrayType(QualType type, 293062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers &quals) { 293162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall SplitQualType splitType = type.getSplitUnqualifiedType(); 293262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 293362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // FIXME: getSplitUnqualifiedType() actually walks all the way to 293462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // the unqualified desugared type and then drops it on the floor. 293562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // We then have to strip that sugar back off with 293662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // getUnqualifiedDesugaredType(), which is silly. 293762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall const ArrayType *AT = 293862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall dyn_cast<ArrayType>(splitType.first->getUnqualifiedDesugaredType()); 293962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 294062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If we don't have an array, just use the results in splitType. 29419dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 294262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals = splitType.second; 294362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(splitType.first, 0); 294428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 294528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 294662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, recurse on the array's element type. 294762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType elementType = AT->getElementType(); 294862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType unqualElementType = getUnqualifiedArrayType(elementType, quals); 294962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 295062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If that didn't change the element type, AT has no qualifiers, so we 295162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // can just use the results in splitType. 295262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (elementType == unqualElementType) { 295362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(quals.empty()); // from the recursive call 295462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals = splitType.second; 295562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(splitType.first, 0); 295662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 295762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 295862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, add in the qualifiers from the outermost type, then 295962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // build the type back up. 296062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals.addConsistentQualifiers(splitType.second); 296128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 29629dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 296362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getConstantArrayType(unqualElementType, CAT->getSize(), 296428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 296528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 296628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 29679dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 296862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getIncompleteArrayType(unqualElementType, IAT->getSizeModifier(), 0); 296928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 297028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 29719dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 297262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getVariableArrayType(unqualElementType, 29733fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 29749dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 29759dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 29769dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 29779dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 29789dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 29799dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 298062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getDependentSizedArrayType(unqualElementType, DSAT->getSizeExpr(), 298128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 298228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 298328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 298428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 29855a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// UnwrapSimilarPointerTypes - If T1 and T2 are pointer types that 29865a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// may be similar (C++ 4.4), replaces T1 and T2 with the type that 29875a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// they point to and return true. If T1 and T2 aren't pointer types 29885a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// or pointer-to-member types, or if they are not similar at this 29895a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// level, returns false and leaves T1 and T2 unchanged. Top-level 29905a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// qualifiers on T1 and T2 are ignored. This function will typically 29915a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// be called in a loop that successively "unwraps" pointer and 29925a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// pointer-to-member types to compare them at each level. 29935a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregorbool ASTContext::UnwrapSimilarPointerTypes(QualType &T1, QualType &T2) { 29945a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const PointerType *T1PtrType = T1->getAs<PointerType>(), 29955a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2PtrType = T2->getAs<PointerType>(); 29965a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1PtrType && T2PtrType) { 29975a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1PtrType->getPointeeType(); 29985a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2PtrType->getPointeeType(); 29995a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 30005a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 30015a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30025a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const MemberPointerType *T1MPType = T1->getAs<MemberPointerType>(), 30035a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2MPType = T2->getAs<MemberPointerType>(); 30045a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1MPType && T2MPType && 30055a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor hasSameUnqualifiedType(QualType(T1MPType->getClass(), 0), 30065a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor QualType(T2MPType->getClass(), 0))) { 30075a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1MPType->getPointeeType(); 30085a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2MPType->getPointeeType(); 30095a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 30105a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 30115a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30125a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (getLangOptions().ObjC1) { 30135a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const ObjCObjectPointerType *T1OPType = T1->getAs<ObjCObjectPointerType>(), 30145a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2OPType = T2->getAs<ObjCObjectPointerType>(); 30155a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1OPType && T2OPType) { 30165a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1OPType->getPointeeType(); 30175a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2OPType->getPointeeType(); 30185a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 30195a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 30205a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 30215a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30225a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor // FIXME: Block pointers, too? 30235a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30245a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return false; 30255a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor} 30265a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30274ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadDeclarationNameInfo 30284ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getNameForTemplate(TemplateName Name, 30294ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation NameLoc) const { 303080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (TemplateDecl *TD = Name.getAsTemplateDecl()) 30312577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 30322577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(TD->getDeclName(), NameLoc); 30332577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 303480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DependentTemplateName *DTN = Name.getAsDependentTemplateName()) { 30352577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName DName; 303680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 30372577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getIdentifier(DTN->getIdentifier()); 30382577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc); 303980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 30402577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getCXXOperatorName(DTN->getOperator()); 30412577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: FIXME: source locations? 30422577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc DNLoc; 30432577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.BeginOpNameLoc = SourceLocation().getRawEncoding(); 30442577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.EndOpNameLoc = SourceLocation().getRawEncoding(); 30452577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc, DNLoc); 304680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 304780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 304880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 30490bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 30500bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(Storage); 30512577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 30522577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo((*Storage->begin())->getDeclName(), NameLoc); 305380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 305480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 30554ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) const { 30563e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateDecl *Template = Name.getAsTemplateDecl()) { 30573e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTemplateParmDecl *TTP 30583e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = dyn_cast<TemplateTemplateParmDecl>(Template)) 30593e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Template = getCanonicalTemplateTemplateParmDecl(TTP); 30603e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 30613e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // The canonical template name is the canonical template declaration. 306297fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 30633e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 306425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 30651aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor if (SubstTemplateTemplateParmPackStorage *SubstPack 30661aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = Name.getAsSubstTemplateTemplateParmPack()) { 30671aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor TemplateTemplateParmDecl *CanonParam 30681aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = getCanonicalTemplateTemplateParmDecl(SubstPack->getParameterPack()); 30691aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor TemplateArgument CanonArgPack 30701aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = getCanonicalTemplateArgument(SubstPack->getArgumentPack()); 30711aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor return getSubstTemplateTemplateParmPack(CanonParam, CanonArgPack); 30721aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 30731aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 30740bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(!Name.getAsOverloadedTemplate()); 30751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 307625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 307725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor assert(DTN && "Non-dependent template names must refer to template decls."); 307825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor return DTN->CanonicalTemplateName; 307925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 308025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 3081db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 3082db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 3083db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 3084db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 3085db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 3086db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 30871eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 30884ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) const { 30891275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 30901275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 30911275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 30921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30931275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 30941275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 30951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30961275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 3097833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 30981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3099788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 3100788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 3101a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 3102a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor case TemplateArgument::TemplateExpansion: 3103a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor return TemplateArgument(getCanonicalTemplateName( 3104a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor Arg.getAsTemplateOrTemplatePattern()), 31052be29f423acad3bbe39099a78db2805acb5bdf17Douglas Gregor Arg.getNumTemplateExpansions()); 3106a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 31071275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 3108833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 31091275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 31101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31111275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 3112833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 31131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31141275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 311587dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor if (Arg.pack_size() == 0) 311687dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor return Arg; 311787dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor 3118910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgument *CanonArgs 3119910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor = new (*this) TemplateArgument[Arg.pack_size()]; 31201275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 31211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 31221275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 31231275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 31241275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 31251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3126910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor return TemplateArgument(CanonArgs, Arg.pack_size()); 31271275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 31281275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 31291275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 31301275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 31311275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 31321275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 31331275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 31341275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 3135d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 31364ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) const { 31371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 3138d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 3139d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3140d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 3141d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 3142d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 31431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 3144d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 3145d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 3146d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3147d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 3148d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 3149d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 315014aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 315114aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespace()->getOriginalNamespace()); 315214aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor 315314aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor case NestedNameSpecifier::NamespaceAlias: 315414aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 315514aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // this namespace and no prefix. 315614aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 315714aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespaceAlias()->getNamespace() 315814aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor ->getOriginalNamespace()); 3159d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3160d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 3161d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 3162d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 3163264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 3164264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // If we have some kind of dependent-named type (e.g., "typename T::type"), 3165264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // break it apart into its prefix and identifier, then reconsititute those 3166264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // as the canonical nested-name-specifier. This is required to canonicalize 3167264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // a dependent nested-name-specifier involving typedefs of dependent-name 3168264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // types, e.g., 3169264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T::type T1; 3170264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T1::type T2; 3171264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentNameType *DNT = T->getAs<DependentNameType>()) { 3172264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 3173264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DNT->getQualifier()); 3174264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor return NestedNameSpecifier::Create(*this, Prefix, 3175264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor const_cast<IdentifierInfo *>(DNT->getIdentifier())); 3176264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 3177264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 3178643f84353b3b7bbf9b73bcbc7da0ef8a39a5ca99Douglas Gregor // Do the same thing as above, but with dependent-named specializations. 3179264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentTemplateSpecializationType *DTST 3180264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = T->getAs<DependentTemplateSpecializationType>()) { 3181264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 3182264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DTST->getQualifier()); 3183aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor 3184aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor T = getDependentTemplateSpecializationType(DTST->getKeyword(), 3185aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor Prefix, DTST->getIdentifier(), 3186aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor DTST->getNumArgs(), 3187aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor DTST->getArgs()); 3188264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor T = getCanonicalType(T); 3189264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 3190264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 31913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return NestedNameSpecifier::Create(*this, 0, false, 31923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const_cast<Type*>(T.getTypePtr())); 3193d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3194d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3195d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 3196d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 3197d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 3198d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3199d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3200d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 3201d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 3202d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 3203d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3204c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 32054ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadconst ArrayType *ASTContext::getAsArrayType(QualType T) const { 3206c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 3207a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 3208c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 3209c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 3210c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 3211c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 32121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 32143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isa<ArrayType>(T.getCanonicalType())) 3215c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 32161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 3218c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 3219c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 32201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3221c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 3222c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 322350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 32240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 32253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = T.getSplitDesugaredType(); 32263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs = split.second; 32271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3228c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 32293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *ATy = dyn_cast<ArrayType>(split.first); 32303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ATy == 0 || qs.empty()) 3231c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 32321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3233c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 3234c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 32353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), qs); 32361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3237c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 3238c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 3239c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 32400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 3241c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 3242c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 3243c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 32440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 3245898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 32461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 3247898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 3248898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 32491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 32503fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall DSAT->getSizeExpr(), 3251898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 32520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 32537e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 32541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3255c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 32567e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 32573fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 3258c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 32590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 32607e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 326177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 326277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 3263e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 3264e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 3265e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 3266e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 3267e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 3268e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 32694ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getArrayDecayedType(QualType Ty) const { 3270c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 3271c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 3272c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 3273c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 3274c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 3275c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 32761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3277c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 3278e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 3279e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 32800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 3281e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 3282e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 32833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(const ArrayType *array) const { 32843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getBaseElementType(array->getElementType()); 32855e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 32865e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 32873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(QualType type) const { 32883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs; 32893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall while (true) { 32903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = type.getSplitDesugaredType(); 32913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *array = split.first->getAsArrayTypeUnsafe(); 32923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!array) break; 32931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall type = array->getElementType(); 32953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall qs.addConsistentQualifiers(split.second); 32963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 32971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiedType(type, qs); 32996183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 33006183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 33010de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 33021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 33030de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 33040de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 33050de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 33060de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 33070de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 33080de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 33090de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 33100de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 33110de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 33125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 33135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 3314a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 3315183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 33165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 3317a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 3318183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 3319183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 3320a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 33215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 33225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 33235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 33245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 33255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 33265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 33271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 33281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 3329716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 3330716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 33311361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 33321361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 33331361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 33341361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 33351361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 3336716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 3337f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 3338f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 3339f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 3340f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 3341f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 33421361b11066239ea15764a2a844405352d87296b3Chris Lattner 33431361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 33441361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 33451361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 33461361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 33471361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 33481361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 33495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 33505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 33515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 33527cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 33537cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 33547cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 33551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 33564ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) const { 3357a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 3358a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 33591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3360a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 3361fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 3362a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 3363fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 3364fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 33655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 33665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3367f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 3368f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 3369f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 3370f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCallunsigned ASTContext::getIntegerRank(const Type *T) const { 3371467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 3372f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const EnumType* ET = dyn_cast<EnumType>(T)) 3373842aef8d942a880eeb9535d40de31a86838264cbJohn McCall T = ET->getDecl()->getPromotionType().getTypePtr(); 3374f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 33753f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (T->isSpecificBuiltinType(BuiltinType::WChar_S) || 33763f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner T->isSpecificBuiltinType(BuiltinType::WChar_U)) 3377a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 3378a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 3379f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 3380f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 3381f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3382f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 3383f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 3384f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3385f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 33867cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 33877cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 3388f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 33897cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 33907cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 33917cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 33927cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 3393f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 33947cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 33957cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 3396f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 33977cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 33987cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 3399f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 34007cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 34017cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 3402f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 34037cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 34047cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 3405f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 34062df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 34072df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 34082df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 3409f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 3410f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 3411f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 341204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 341304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 341404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 341504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 341604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 34174ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::isPromotableBitField(Expr *E) const { 3418ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor if (E->isTypeDependent() || E->isValueDependent()) 3419ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor return QualType(); 3420ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor 342104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 342204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 342304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 342404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 342504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 342604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 342704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 342804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 342904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 343004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 343104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 343204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 343304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 343404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 343504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 343604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 343704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 343804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 343904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 344004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 344104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 344204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 344304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 344404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 344504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 3446a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 3447a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 3448a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 34494ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPromotedIntegerType(QualType Promotable) const { 3450a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 3451a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 3452842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 3453842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 3454a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 3455a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 3456a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 3457a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 3458a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 3459a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 3460a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 3461a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 34621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 34637cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 34641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 34654ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) const { 3466f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *LHSC = getCanonicalType(LHS).getTypePtr(); 3467f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *RHSC = getCanonicalType(RHS).getTypePtr(); 34687cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 34691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3470f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 3471f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 34721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34737cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 34747cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 34751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34767cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 34777cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 34787cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 34797cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 34801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34817cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 34827cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 34837cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 34847cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 34857cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 34861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34877cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 34887cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 34891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 34907cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 34917cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 34927cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 34937cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 34947cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 34957cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 34961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34977cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 34987cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 34991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 35007cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 35015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 350271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 350379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 3504ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo BagnaraCreateRecordDecl(const ASTContext &Ctx, RecordDecl::TagKind TK, 3505ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara DeclContext *DC, IdentifierInfo *Id) { 3506ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation Loc; 350779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 3508ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return CXXRecordDecl::Create(Ctx, TK, DC, Loc, Loc, Id); 350979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 3510ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return RecordDecl::Create(Ctx, TK, DC, Loc, Loc, Id); 351179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 3512ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara 35131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 35144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getCFConstantStringType() const { 351571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 35161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 3517ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, 351879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 35195cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 352079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 3521f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 35221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 352371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 35240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 3525f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 3526f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 352771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 35280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 352971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 35301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 35311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 353244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 353344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 35341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 3535ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 353644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 3537a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 35381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 35394afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 35402888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 354117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 354244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 354344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 3544838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 354571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 35461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 354771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 35488467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 3549b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3550319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 35516217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3552319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 3553319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 3554319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3555319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 35562bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian// getNSConstantStringType - Return the type used for constant NSStrings. 35574ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getNSConstantStringType() const { 35582bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian if (!NSConstantStringTypeDecl) { 35592bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = 3560ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, 35612bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian &Idents.get("__builtin_NSString")); 35622bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->startDefinition(); 35632bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 35642bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType FieldTypes[3]; 35652bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 35662bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const int *isa; 35672bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[0] = getPointerType(IntTy.withConst()); 35682bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const char *str; 35692bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[1] = getPointerType(CharTy.withConst()); 35702bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // unsigned int length; 35712bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[2] = UnsignedIntTy; 35722bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 35732bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // Create fields 35742bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian for (unsigned i = 0; i < 3; ++i) { 35752bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldDecl *Field = FieldDecl::Create(*this, NSConstantStringTypeDecl, 3576ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 35772bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian SourceLocation(), 0, 35782bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[i], /*TInfo=*/0, 35792bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*BitWidth=*/0, 35802bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*Mutable=*/false); 35812888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 35822bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->addDecl(Field); 35832bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 35842bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 35852bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->completeDefinition(); 35862bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 35872bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 35882bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return getTagDeclType(NSConstantStringTypeDecl); 35892bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 35902bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 35912bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanianvoid ASTContext::setNSConstantStringType(QualType T) { 35922bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian const RecordType *Rec = T->getAs<RecordType>(); 35932bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian assert(Rec && "Invalid NSConstantStringType"); 35942bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = Rec->getDecl(); 35952bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 35962bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 35974ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCFastEnumerationStateType() const { 3598bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 359944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 3600ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, 360179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__objcFastEnumerationState")); 36025cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall ObjCFastEnumerationStateTypeDecl->startDefinition(); 36031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3604bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 3605bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 3606de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff getPointerType(ObjCIdTypedefType), 3607bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 3608bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 3609bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 3610bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 36111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 361244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 36131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, 36141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCFastEnumerationStateTypeDecl, 3615ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 36161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 3617a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 36181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 36194afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 36202888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 362117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ObjCFastEnumerationStateTypeDecl->addDecl(Field); 362244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 36231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3624838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(); 3625bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 36261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3627bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 3628bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 3629bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 36304ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorType() const { 3631adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 3632adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3633adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3634adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3635adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 3636ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, 363779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 36385cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3639adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3640adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3641adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3642adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3643adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3644adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3645adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3646adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 3647083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 3648adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3649adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3650adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 3651ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3652adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 3653adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3654a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3655adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 3656adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*Mutable=*/false); 36572888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3658adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3659adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3660adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3661838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3662adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3663adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 3664adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3665adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3666adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3667adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3668adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stumpvoid ASTContext::setBlockDescriptorType(QualType T) { 3669adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3670adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3671adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = Rec->getDecl(); 3672adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3673adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 36744ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorExtendedType() const { 3675083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 3676083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3677083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3678083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 3679083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 3680ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, 368179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 36825cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3683083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3684083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 3685083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3686083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3687083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 3688083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 3689083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3690083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3691083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 3692083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 3693083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 3694083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 3695083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 3696083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3697083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3698083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 3699ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3700083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 3701083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 3702a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3703083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 3704083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*Mutable=*/false); 37052888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3706083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 3707083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 3708083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3709838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3710083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3711083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 3712083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3713083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3714083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3715083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3716083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stumpvoid ASTContext::setBlockDescriptorExtendedType(QualType T) { 3717083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3718083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3719083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = Rec->getDecl(); 3720083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3721083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 37224ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::BlockRequiresCopying(QualType Ty) const { 3723af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isBlockPointerType()) 3724af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3725af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (isObjCNSObjectType(Ty)) 3726af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3727af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isObjCObjectPointerType()) 3728af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3729e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (getLangOptions().CPlusPlus) { 3730e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (const RecordType *RT = Ty->getAs<RecordType>()) { 3731e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl()); 3732ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt return RD->hasConstCopyConstructor(); 3733e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian 3734e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3735e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3736af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3737af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3738af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 37394ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 37404ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::BuildByRefType(llvm::StringRef DeclName, QualType Ty) const { 3741af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3742ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3743af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3744ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3745ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 3746a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__copy_helper; // as needed 3747a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__destroy_help // as needed 3748af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3749ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3750ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3751af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3752af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3753af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 3754f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3755f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3756f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3757af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3758ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, &Idents.get(Name.str())); 3759af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3760af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3761af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3762af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3763af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3764af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3765af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3766af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3767af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3768af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3769af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3770af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3771af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 37724087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef FieldNames[] = { 3773af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3774af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3775af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3776af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3777af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3778af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3779af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3780af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3781af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3782af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3783af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3784af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3785af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3786ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 3787af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3788a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3789af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /*BitWidth=*/0, /*Mutable=*/false); 37902888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3791af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3792af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3793af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3794838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3795af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3796af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3797ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3798ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3799319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setObjCFastEnumerationStateType(QualType T) { 38006217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3801319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid ObjCFAstEnumerationStateType"); 3802319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCFastEnumerationStateTypeDecl = Rec->getDecl(); 3803319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3804319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 3805e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3806e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 38072d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3808e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3809bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3810bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 38111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 381285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 381385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 381485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3815a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 381633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 38174ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) const { 3818199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 38191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 382033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 38212ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor if (sz.isPositive() && type->isIntegralOrEnumerationType()) 3822199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 382333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 382433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3825199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3826aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3827199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3828199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3829199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3830199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3831199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 383233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 383333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 38346b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall/// getObjCEncodingForBlock - Return the encoded type for this block 38355e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 38366b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCallstd::string ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr) const { 38376b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall std::string S; 38386b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 38395e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 38405e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 38415e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 38425e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 3843c71a4915ca216847599d03cab4ed1c5086b0eb43John McCall getObjCEncodingForType(BlockTy->getAs<FunctionType>()->getResultType(), S); 38445e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 38455e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 38465e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 38475e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3848199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3849199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 38506f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 38515e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 38525e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3853aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3854199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 38555e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 38565e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 38575e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3858199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 38595e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 38605e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 38615e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 38625e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 38635e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 38645e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 38655e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 38665e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 38675e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 38685e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 38695e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 38705e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 38715e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 38725389f48b24937ad7b4093307128b3cbf25235654David Chisnall // elements. 38735389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (!isa<ConstantArrayType>(AT)) 38745389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 38755389f48b24937ad7b4093307128b3cbf25235654David Chisnall } else if (PType->isFunctionType()) 38765389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 38775389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(PType, S); 38785389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 38795389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += getObjCEncodingTypeSize(PType); 38805389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 38816b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 38826b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall return S; 38835389f48b24937ad7b4093307128b3cbf25235654David Chisnall} 38845389f48b24937ad7b4093307128b3cbf25235654David Chisnall 38855389f48b24937ad7b4093307128b3cbf25235654David Chisnallvoid ASTContext::getObjCEncodingForFunctionDecl(const FunctionDecl *Decl, 38865389f48b24937ad7b4093307128b3cbf25235654David Chisnall std::string& S) { 38875389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Encode result type. 38885389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(Decl->getResultType(), S); 38895389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits ParmOffset; 38905389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Compute size of all parameters. 38915389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 38925389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 38935389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = (*PI)->getType(); 38945389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits sz = getObjCEncodingTypeSize(PType); 38955389f48b24937ad7b4093307128b3cbf25235654David Chisnall assert (sz.isPositive() && 38965389f48b24937ad7b4093307128b3cbf25235654David Chisnall "getObjCEncodingForMethodDecl - Incomplete param type"); 38975389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += sz; 38985389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 38995389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 39005389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset = CharUnits::Zero(); 39015389f48b24937ad7b4093307128b3cbf25235654David Chisnall 39025389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Argument types. 39035389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 39045389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 39055389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmVarDecl *PVDecl = *PI; 39065389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = PVDecl->getOriginalType(); 39075389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (const ArrayType *AT = 39085389f48b24937ad7b4093307128b3cbf25235654David Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 39095389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Use array's original type only if it has known number of 39105e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 39115e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 39125e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 39135e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 39145e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 39155e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 3916199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3917aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 39185e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 39195e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 39205e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 3921a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 392233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 39231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 39244ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 3925c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3926ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 3927a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 392833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 39290d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 393033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 393133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 393233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 393333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 3934199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 393533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 393633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 3937199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 393889951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 39397732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 394089951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 3941aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3942199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 3943199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 394433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 394533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 3946199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 394733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 3948199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 39491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 395033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 395133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 395289951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 39537732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 395489951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 39551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 39564306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 3957ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 3958ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 3959ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 3960bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 3961ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3962ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 3963ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3964ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 396533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 39664306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 39670d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 3968199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3969aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 397033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 397133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 397233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 3973c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 397483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 3975c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 3976c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 39771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 39781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 39791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 39801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 39811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 398283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 398383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 398483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 398583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 398683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 398783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 398883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 398983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 399083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 399183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 399283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 399383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 399483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 399583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 399683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 399783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 39981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 3999c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 40004ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 4001c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 4002c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 4003c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 4004c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4005c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 4006c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 40071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 4008c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 4009c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 401017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 4011653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 4012c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 4013c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 4014c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 4015c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 4016c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4017c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 4018c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4019c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4020c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4021c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 402261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 4023c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 402417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 4025653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 4026c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 4027c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 4028c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 4029c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 4030c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4031c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 4032c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4033c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 40341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4035c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4036c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4037c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4038c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 4039c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 4040c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4041c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 4042090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 4043090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 40441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 4045090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 4046090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 4047c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4048c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 4049c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 4050c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4051c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 4052c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 4053c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 40541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 4055c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4056c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4057c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4058c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 4059c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 4060c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 4061c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 4062c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4063090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 4064090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 40651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4066c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 4067c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 4068077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 4069c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4070c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4071c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 4072c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 4073077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 4074c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4075c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4076c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 4077c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 4078c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 407939f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 4080c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4081c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4082c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 4083c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 4084c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4085a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 40861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 40871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 4088a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 4089a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 4090a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 40918e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 4092183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 40934ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::ULong && getIntWidth(PointeeTy) == 32) 4094a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 40951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 40964ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::Long && getIntWidth(PointeeTy) == 32) 4097a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 4098a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4099a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4100a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 4101a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 41027d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 41034ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FieldDecl *Field) const { 410482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 410582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 410682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 410782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 41081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 41095b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 411082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 411182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 411264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnallstatic char ObjCEncodingForPrimitiveKind(const ASTContext *C, QualType T) { 411364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall switch (T->getAs<BuiltinType>()->getKind()) { 411464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall default: assert(0 && "Unhandled builtin type kind"); 411564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Void: return 'v'; 411664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Bool: return 'B'; 411764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_U: 411864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UChar: return 'C'; 411964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UShort: return 'S'; 412064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt: return 'I'; 412164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULong: 41224ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'L' : 'Q'; 412364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt128: return 'T'; 412464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULongLong: return 'Q'; 412564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_S: 412664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::SChar: return 'c'; 412764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Short: return 's'; 41283f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 41293f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 413064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int: return 'i'; 413164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Long: 41324ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'l' : 'q'; 413364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongLong: return 'q'; 413464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int128: return 't'; 413564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Float: return 'f'; 413664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Double: return 'd'; 41373a0be84b2aed8563150cdbd976a98838afa261ebDaniel Dunbar case BuiltinType::LongDouble: return 'D'; 413864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 413964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall} 414064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall 41414ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic void EncodeBitField(const ASTContext *Ctx, std::string& S, 414264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall QualType T, const FieldDecl *FD) { 41438b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 41448b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 41458b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 414664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The NeXT runtime encodes bit fields as b followed by the number of bits. 414764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The GNU runtime requires more information; bitfields are encoded as b, 414864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // then the offset (in bits) of the first element, then the type of the 414964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // bitfield, then the size in bits. For example, in this structure: 415064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // 415164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // struct 415264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // { 415364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int integer; 415464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int flags:2; 415564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // }; 415664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // On a 32-bit system, the encoding for flags would be b2 for the NeXT 415764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // runtime, but b32i2 for the GNU runtime. The reason for this extra 415864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // information is not especially sensible, but we're stuck with it for 415964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // compatibility with GCC, although providing it breaks anything that 416064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // actually uses runtime introspection and wants to work on both runtimes... 416164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (!Ctx->getLangOptions().NeXTRuntime) { 416264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const RecordDecl *RD = FD->getParent(); 416364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const ASTRecordLayout &RL = Ctx->getASTRecordLayout(RD); 416464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // FIXME: This same linear search is also used in ExprConstant - it might 416564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // be better if the FieldDecl stored its offset. We'd be increasing the 416664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // size of the object slightly, but saving some time every time it is used. 416764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned i = 0; 416864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall for (RecordDecl::field_iterator Field = RD->field_begin(), 416964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall FieldEnd = RD->field_end(); 417064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall Field != FieldEnd; (void)++Field, ++i) { 417164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (*Field == FD) 417264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall break; 417364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 417464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += llvm::utostr(RL.getFieldOffset(i)); 4175c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall if (T->isEnumeralType()) 4176c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall S += 'i'; 4177c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall else 41784ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad S += ObjCEncodingForPrimitiveKind(Ctx, T); 417964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 418064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 41818b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 41828b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 41838b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 418401eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 418582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 418682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 418782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 4188153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 4189090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 41902636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool EncodingProperty, 41912636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool StructField) const { 419264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (T->getAs<BuiltinType>()) { 4193ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 419464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return EncodeBitField(this, S, T, FD); 419564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(this, T); 4196ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4197ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 41981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4199183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 4200c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 42011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 4202c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 4203ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4204ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 420560bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 4206aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 4207aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 42086217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 42098d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 42108d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 42118d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 42128d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 4213aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 4214aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 4215aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 4216aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 4217aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 4218a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 4219a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 4220a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 4221a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 42221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 42238e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 4224a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 4225a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4226a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4227a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 42289fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 4229a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 42306217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 42316217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 4232a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 4233a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4234a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4235a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4236a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4237a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 4238a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 4239a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 4240a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 42410237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer if (llvm::StringRef(S).endswith("nr")) 42420237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 4243a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 42441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 424585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 424685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 424785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 4248e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 424985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 425085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 425185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 42526217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 42539533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 42549533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 42559533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 42569533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 42579533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 42589533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 42599533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 42609533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 42619533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 42629533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 42639533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 426485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 426585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 4266a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 4267a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 42681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 426943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 4270ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4271ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4272aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 4273ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 4274ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 4275ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 42762636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (isa<IncompleteArrayType>(AT) && !StructField) { 4277559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 4278559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 4279559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 42801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4281559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4282559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 4283559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 42841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42852636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 42862636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (getTypeSize(CAT->getElementType()) == 0) 42872636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '0'; 42882636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis else 42892636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += llvm::utostr(CAT->getSize().getZExtValue()); 42902636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 4291559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 42922636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert((isa<VariableArrayType>(AT) || isa<IncompleteArrayType>(AT)) && 42932636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis "Unknown array type!"); 4294559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 4295559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 42961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4298559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4299559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 4300559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 4301ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4302ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 43031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4304183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 4305c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 4306ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4307ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 43081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43096217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 431082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 4311d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 4312502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 4313502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 4314502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 43156fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 43166fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 43176fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 43186fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 43196fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 4320910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.data(), 4321910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.size(), 43226fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian (*this).PrintingPolicy); 43236fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 43246fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 43256fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 4326502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 4327502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 4328502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 43290d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 43307d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 43312636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->isUnion()) { 43322636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForStructureImpl(RDecl, S, FD); 43332636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 43342636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 43352636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 43362636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis Field != FieldEnd; ++Field) { 43372636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 43382636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 43392636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += Field->getNameAsString(); 43402636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 43412636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 43421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43432636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // Special case bit-fields. 43442636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (Field->isBitField()) { 43452636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 43462636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis (*Field)); 43472636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 43482636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis QualType qt = Field->getType(); 43492636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getLegacyIntegralTypeEncoding(qt); 43502636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(qt, S, false, true, 43512636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FD, /*OutermostType*/false, 43522636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*EncodingProperty*/false, 43532636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*StructField*/true); 43542636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 4355d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 43567d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 43576de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 4358d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 4359ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4360ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4361e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4362ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 43638b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 436464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall EncodeBitField(this, S, T, FD); 43658b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 43668b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 4367ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4368ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 43691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4370ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 437121a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 4372ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4373ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 43741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4375c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 4376c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 4377c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 4378c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 43790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 438043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 43810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 438243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 438343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 438443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 438543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 43862c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian llvm::SmallVector<ObjCIvarDecl*, 32> Ivars; 43872c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(OI, true, Ivars); 43882c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (unsigned i = 0, e = Ivars.size(); i != e; ++i) { 43892c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian FieldDecl *Field = cast<FieldDecl>(Ivars[i]); 43902c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (Field->isBitField()) 43912c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, Field); 439243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 43932c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, FD); 439443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 439543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 4396ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 439743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 43981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4399183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 440014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 440114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 440214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4403ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 440527d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 440627d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 440727d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 440827d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 440914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 441014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4411ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4413ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 44141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 441514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 441614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 441714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 441814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 441914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 442014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 442167ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 442267ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 442314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 442414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 442514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 442614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 442714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 442814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 442914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4430ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4432ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 4433ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 4434ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 4435ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 44361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 4437ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 4438ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 44391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 44401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 4441ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 444214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 444314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4444ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 4445ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 444627d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 4447ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 444827d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 444967ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 445067ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 4451ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 4452ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 4453ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 44541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4455ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 4456ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4457ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4458ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4460532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 4461532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 4462532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 4463532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 4464e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4465e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian if (T->isVectorType()) { 4466e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // This matches gcc's encoding, even though technically it is 4467e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // insufficient. 4468e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // FIXME. We should do a better job than gcc. 4469e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian return; 4470e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian } 4471e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4472ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 447385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 447485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 44752636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidisvoid ASTContext::getObjCEncodingForStructureImpl(RecordDecl *RDecl, 44762636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::string &S, 44772636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis const FieldDecl *FD, 44782636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool includeVBases) const { 44792636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(RDecl && "Expected non-null RecordDecl"); 44802636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(!RDecl->isUnion() && "Should not be called for unions"); 44812636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->getDefinition()) 44822636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis return; 44832636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 44842636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *CXXRec = dyn_cast<CXXRecordDecl>(RDecl); 44852636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::multimap<uint64_t, NamedDecl *> FieldOrBaseOffsets; 44862636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis const ASTRecordLayout &layout = getASTRecordLayout(RDecl); 44872636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 44882636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec) { 44892636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (CXXRecordDecl::base_class_iterator 44902636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BI = CXXRec->bases_begin(), 44912636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BE = CXXRec->bases_end(); BI != BE; ++BI) { 44922636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!BI->isVirtual()) { 44932636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *base = BI->getType()->getAsCXXRecordDecl(); 44942636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getBaseClassOffsetInBits(base); 44952636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 44962636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, base)); 44972636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 44982636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 44992636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45002636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45012636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis unsigned i = 0; 45022636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 45032636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 45042636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis Field != FieldEnd; ++Field, ++i) { 45052636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getFieldOffset(i); 45062636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 45072636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, *Field)); 45082636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45092636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45102636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec && includeVBases) { 45112636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (CXXRecordDecl::base_class_iterator 45122636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BI = CXXRec->vbases_begin(), 45132636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BE = CXXRec->vbases_end(); BI != BE; ++BI) { 45142636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *base = BI->getType()->getAsCXXRecordDecl(); 45152636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getVBaseClassOffsetInBits(base); 45162636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 45172636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, base)); 45182636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45192636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45202636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45212636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CharUnits size; 45222636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec) { 45232636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis size = includeVBases ? layout.getSize() : layout.getNonVirtualSize(); 45242636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 45252636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis size = layout.getSize(); 45262636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45272636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45282636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t CurOffs = 0; 45292636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::multimap<uint64_t, NamedDecl *>::iterator 45302636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurLayObj = FieldOrBaseOffsets.begin(); 45312636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45322636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CurLayObj != FieldOrBaseOffsets.end() && CurLayObj->first != 0) { 45332636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(CXXRec && CXXRec->isDynamicClass() && 45342636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis "Offset 0 was empty but no VTable ?"); 45352636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 45362636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += "\"_vptr$"; 45372636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::string recname = CXXRec->getNameAsString(); 45382636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (recname.empty()) recname = "?"; 45392636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += recname; 45402636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 45412636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45422636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += "^^?"; 45432636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += getTypeSize(VoidPtrTy); 45442636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45452636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45462636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->hasFlexibleArrayMember()) { 45472636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // Mark the end of the structure. 45482636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = toBits(size); 45492636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 45502636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, (NamedDecl*)0)); 45512636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45522636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45532636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (; CurLayObj != FieldOrBaseOffsets.end(); ++CurLayObj) { 45542636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(CurOffs <= CurLayObj->first); 45552636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45562636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CurOffs < CurLayObj->first) { 45572636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t padding = CurLayObj->first - CurOffs; 45582636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // FIXME: There doesn't seem to be a way to indicate in the encoding that 45592636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // packing/alignment of members is different that normal, in which case 45602636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // the encoding will be out-of-sync with the real layout. 45612636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // If the runtime switches to just consider the size of types without 45622636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // taking into account alignment, we could make padding explicit in the 45632636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // encoding (e.g. using arrays of chars). The encoding strings would be 45642636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // longer then though. 45652636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += padding; 45662636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45672636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45682636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis NamedDecl *dcl = CurLayObj->second; 45692636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (dcl == 0) 45702636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis break; // reached end of structure. 45712636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45722636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRecordDecl *base = dyn_cast<CXXRecordDecl>(dcl)) { 45732636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // We expand the bases without their virtual bases since those are going 45742636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // in the initial structure. Note that this differs from gcc which 45752636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // expands virtual bases each time one is encountered in the hierarchy, 45762636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // making the encoding type bigger than it really is. 45772636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForStructureImpl(base, S, FD, /*includeVBases*/false); 45782636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!base->isEmpty()) 45792636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += toBits(getASTRecordLayout(base).getNonVirtualSize()); 45802636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 45812636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldDecl *field = cast<FieldDecl>(dcl); 45822636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 45832636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 45842636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += field->getNameAsString(); 45852636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 45862636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45872636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45882636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (field->isBitField()) { 45892636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis EncodeBitField(this, S, field->getType(), field); 45902636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += field->getBitWidth()->EvaluateAsInt(*this).getZExtValue(); 45912636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 45922636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis QualType qt = field->getType(); 45932636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getLegacyIntegralTypeEncoding(qt); 45942636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(qt, S, false, true, FD, 45952636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*OutermostType*/false, 45962636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*EncodingProperty*/false, 45972636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*StructField*/true); 45982636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += getTypeSize(field->getType()); 45992636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46002636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46012636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46022636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis} 46032636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 4605ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 4606ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 4607ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 4608ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 4609ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 4610ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 4611ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 4612ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 4613ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 4614ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 4615ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 4616ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 4617ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 4618ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 4619ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 4620ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 4621b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 46221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4623b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 4624b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 4625b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 4626ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCIdType(QualType T) { 4627de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = T; 46287e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 46297e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 4630ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCSelType(QualType T) { 463113dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = T; 4632b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 4633b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 4634ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 4635a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 4636390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 4637390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 4638ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCClassType(QualType T) { 4639de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = T; 46408baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 46418baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 4642a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 46431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 46442198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 46451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4646a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 46472198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 46482198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 46490bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 46500bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 46514ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 46524ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 46534ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad UnresolvedSetIterator End) const { 46540bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 46550bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 46567532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 46570bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 46580bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 46590bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 46600bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 46610bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 4662eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 46630bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 46640bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 46650bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 46660bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 46670bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 46687532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 46697532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 46700bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 46717532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 46727532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4673d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 4674d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 46754ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 46764ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 46774ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool TemplateKeyword, 46784ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad TemplateDecl *Template) const { 46790f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor assert(NNS && "Missing nested-name-specifier in qualified template name"); 46800f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor 4681789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 4682d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 4683d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 46841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4685d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 4686d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 46870bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4688d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 4689d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 4690d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 4691d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 46921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4693d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 4694d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 4695d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 46967532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 46977532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 46984ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 46994ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 47004ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const IdentifierInfo *Name) const { 47011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 47023b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 47037532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 47047532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 47057532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 47067532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 47077532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 47087532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 47097532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 47107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 47117532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 47127532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 47137532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 47147532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 47157532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 47167532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 47177532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 47187532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 47197532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 4720789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 4721789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4722789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 4723789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 47247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 47257532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 47267532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 47277532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 47287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 47297532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4730ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 4731ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 4732ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 4733ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 47344ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad OverloadedOperatorKind Operator) const { 4735ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 4736ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 4737ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4738ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 4739ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 4740ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4741ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 4742789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 4743789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4744ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4745ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 4746ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4747ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4748ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 4749ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 4750ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 4751ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 4752ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 4753ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 4754789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 4755789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 4756789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4757789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 4758789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 4759ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 4760ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4761ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 4762ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4763ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 4764ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 47651aee05d08b2184acadeb36de300e216390780d6cDouglas GregorTemplateName 47661aee05d08b2184acadeb36de300e216390780d6cDouglas GregorASTContext::getSubstTemplateTemplateParmPack(TemplateTemplateParmDecl *Param, 47671aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor const TemplateArgument &ArgPack) const { 47681aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ASTContext &Self = const_cast<ASTContext &>(*this); 47691aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor llvm::FoldingSetNodeID ID; 47701aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage::Profile(ID, Self, Param, ArgPack); 47711aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 47721aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor void *InsertPos = 0; 47731aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage *Subst 47741aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = SubstTemplateTemplateParmPacks.FindNodeOrInsertPos(ID, InsertPos); 47751aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 47761aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor if (!Subst) { 47771aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor Subst = new (*this) SubstTemplateTemplateParmPackStorage(Self, Param, 47781aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_size(), 47791aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_begin()); 47801aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPacks.InsertNode(Subst, InsertPos); 47811aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 47821aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 47831aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor return TemplateName(Subst); 47841aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor} 47851aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 4786b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 4787d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 4788d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 4789e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 4790b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 4791e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 4792b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 4793b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 4794b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 4795b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 4796b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 4797b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 4798b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 4799b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 4800b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 4801b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 4802b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 4803e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 4804b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 4805b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4806b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4807b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 4808b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4809b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4810fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// isObjCNSObjectType - Return true if this is an NSObject object using 4811fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// NSObject attribute on a c-style pointer type. 4812fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// FIXME - Make it work directly on types. 4813f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff/// FIXME: Move to Type. 4814fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// 4815fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanianbool ASTContext::isObjCNSObjectType(QualType Ty) const { 4816f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const TypedefType *TDT = dyn_cast<TypedefType>(Ty)) { 4817162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (TypedefNameDecl *TD = TDT->getDecl()) 481840b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (TD->getAttr<ObjCNSObjectAttr>()) 4819fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return true; 4820fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian } 48211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return false; 4822fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian} 4823fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 48244fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 48254fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 48264fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 4827ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(QualType Ty) const { 4828ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (getLangOptions().getGCMode() == LangOptions::NonGC) 4829ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::GCNone; 4830ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 4831ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(getLangOptions().ObjC1); 4832ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall Qualifiers::GC GCAttrs = Ty.getObjCGCAttr(); 4833ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 4834ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // Default behaviour under objective-C's gc is for ObjC pointers 4835ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // (or pointers to them) be treated as though they were declared 4836ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // as __strong. 4837ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (GCAttrs == Qualifiers::GCNone) { 4838ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 4839ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::Strong; 4840ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall else if (Ty->isPointerType()) 4841ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 4842ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall } else { 4843ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // It's not valid to set GC attributes on anything that isn't a 4844ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // pointer. 4845ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#ifndef NDEBUG 4846ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall QualType CT = Ty->getCanonicalTypeInternal(); 4847ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall while (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 4848ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall CT = AT->getElementType(); 4849ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(CT->isAnyPointerType() || CT->isBlockPointerType()); 4850ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#endif 48514fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 4852b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 48534fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 48544fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 48556ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 48566ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 48576ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 4858770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 48591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 48606ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 48616ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 48626ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 4863467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 48646ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 486561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 48666ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 48676ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4868255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregorbool ASTContext::areCompatibleVectorTypes(QualType FirstVec, 4869255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor QualType SecondVec) { 4870255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(FirstVec->isVectorType() && "FirstVec should be a vector type"); 4871255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(SecondVec->isVectorType() && "SecondVec should be a vector type"); 4872255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4873255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (hasSameUnqualifiedType(FirstVec, SecondVec)) 4874255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4875255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4876f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // Treat Neon vector types and most AltiVec vector types as if they are the 4877f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // equivalent GCC vector types. 4878255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *First = FirstVec->getAs<VectorType>(); 4879255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *Second = SecondVec->getAs<VectorType>(); 4880f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson if (First->getNumElements() == Second->getNumElements() && 4881255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor hasSameType(First->getElementType(), Second->getElementType()) && 4882f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecPixel && 4883f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecBool && 4884f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecPixel && 4885f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecBool) 4886255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4887255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4888255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return false; 4889255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor} 4890255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 48914084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 48924084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 48934084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 48944084c306635b70f37029dca938444e6013f08684Steve Naroff 48954084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 48964084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 48974ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool 48984ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 48994ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad ObjCProtocolDecl *rProto) const { 49004084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 490114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 49024084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 49034084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 49044084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 49054084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 49064084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 49074084c306635b70f37029dca938444e6013f08684Steve Naroff} 490814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 49094084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 49104084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 49114084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 49124084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 49134084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 49144084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 49154084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 49164084c306635b70f37029dca938444e6013f08684Steve Naroff} 49174084c306635b70f37029dca938444e6013f08684Steve Naroff 4918a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// ObjCQualifiedClassTypesAreCompatible - compare Class<p,...> and 4919a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// Class<p1, ...>. 4920a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanianbool ASTContext::ObjCQualifiedClassTypesAreCompatible(QualType lhs, 4921a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType rhs) { 4922a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *lhsQID = lhs->getAs<ObjCObjectPointerType>(); 4923a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 4924a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian assert ((lhsQID && rhsOPT) && "ObjCQualifiedClassTypesAreCompatible"); 4925a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4926a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 4927a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = lhsQID->qual_end(); I != E; ++I) { 4928a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian bool match = false; 4929a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *lhsProto = *I; 4930a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 4931a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = rhsOPT->qual_end(); J != E; ++J) { 4932a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 4933a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto)) { 4934a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian match = true; 4935a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian break; 4936a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4937a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4938a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (!match) 4939a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return false; 4940a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4941a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return true; 4942a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian} 4943a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 49444084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 49454084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 49464084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 49474084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 49484084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 49491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 49504084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 49514084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 49521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 49534084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 49544084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 49554084c306635b70f37029dca938444e6013f08684Steve Naroff 49564084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 4957183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 49581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49594084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 49601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49614084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 49621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 49634084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 49644084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 49654084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 49664084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 49674084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 49684084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 49694084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 49700fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 49714084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 49724084c306635b70f37029dca938444e6013f08684Steve Naroff } 49734084c306635b70f37029dca938444e6013f08684Steve Naroff } 49744084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 49754084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 49764084c306635b70f37029dca938444e6013f08684Steve Naroff } 49771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 49784084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 49794084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 49804084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 49814084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 4982de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 4983de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 4984de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 4985de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 49864084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 49874084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 49884084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 49894084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 49904084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 49914084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 49928f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 49938f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 4994de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 49951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 49964084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 49974084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 49984084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 49994084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 50004084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 50014084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 50024084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 50030fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 50044084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 50054084c306635b70f37029dca938444e6013f08684Steve Naroff break; 50064084c306635b70f37029dca938444e6013f08684Steve Naroff } 50074084c306635b70f37029dca938444e6013f08684Steve Naroff } 50084084c306635b70f37029dca938444e6013f08684Steve Naroff } 50094084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 5010de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 5011de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 50121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5013de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 5014de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 50151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50164084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 50174084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 50184084c306635b70f37029dca938444e6013f08684Steve Naroff 50191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 50204084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 5021de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // If both the right and left sides have qualifiers. 50224084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 50234084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 50244084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 50254084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 50264084c306635b70f37029dca938444e6013f08684Steve Naroff 5027de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // when comparing an id<P> on rhs with a static type on lhs, 50284084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 50294084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 5030de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // First, lhs protocols in the qualifier list must be found, direct 5031de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // or indirect in rhs's qualifier list or it is a mismatch. 50324084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 50334084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 50344084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 50354084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 50364084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 50374084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 50384084c306635b70f37029dca938444e6013f08684Steve Naroff break; 50394084c306635b70f37029dca938444e6013f08684Steve Naroff } 50404084c306635b70f37029dca938444e6013f08684Steve Naroff } 50414084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 50424084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 50434084c306635b70f37029dca938444e6013f08684Steve Naroff } 5044de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian 5045de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // Static class's protocols, or its super class or category protocols 5046de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // must be found, direct or indirect in rhs's qualifier list or it is a mismatch. 5047de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 5048de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 5049de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian CollectInheritedProtocols(lhsID, LHSInheritedProtocols); 5050de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // This is rather dubious but matches gcc's behavior. If lhs has 5051de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // no type qualifier and its class has no static protocol(s) 5052de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // assume that it is mismatch. 5053de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (LHSInheritedProtocols.empty() && lhsOPT->qual_empty()) 5054de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 5055de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5056de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian LHSInheritedProtocols.begin(), 5057de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = LHSInheritedProtocols.end(); I != E; ++I) { 5058de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian bool match = false; 5059de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *lhsProto = (*I); 5060de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 5061de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = rhsQID->qual_end(); J != E; ++J) { 5062de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 5063de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 5064de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 5065de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian match = true; 5066de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian break; 5067de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5068de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5069de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (!match) 5070de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 5071de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5072de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 50734084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 50744084c306635b70f37029dca938444e6013f08684Steve Naroff } 50754084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 50764084c306635b70f37029dca938444e6013f08684Steve Naroff} 50774084c306635b70f37029dca938444e6013f08684Steve Naroff 50784084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 50794084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 50804084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 50814084c306635b70f37029dca938444e6013f08684Steve Naroff/// 50824084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 50834084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 5084c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 5085c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 5086c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 50874084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 5088c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 5089c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 50904084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 50914084c306635b70f37029dca938444e6013f08684Steve Naroff 5092c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 50931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 50941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 50954084c306635b70f37029dca938444e6013f08684Steve Naroff false); 5096a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5097a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (LHS->isObjCQualifiedClass() && RHS->isObjCQualifiedClass()) 5098a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return ObjCQualifiedClassTypesAreCompatible(QualType(LHSOPT,0), 5099a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType(RHSOPT,0)); 5100a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5101c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 5102c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 51034084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 51041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51054084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 510614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 510714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5108132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 5109fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner/// for providing type-safety for objective-c pointers used to pass/return 5110132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 5111132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 5112132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 5113132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 5114132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 5115a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 5116a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian bool BlockReturnType) { 5117a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 5118132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 5119132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5120132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 5121132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 5122132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5123132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5124a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 5125132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 5126132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 5127132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 5128132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5129132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 5130132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 5131132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 5132132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 5133132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 5134a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian return BlockReturnType; 5135132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 5136a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian return !BlockReturnType; 5137132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5138132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 5139132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 5140132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5141132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 5142132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 5143132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5144e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 5145e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 5146e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 5147e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 5148e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 5149e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 5150e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 5151e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 5152e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 5153e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5154c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 5155c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 5156c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 5157c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 5158e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5159e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 5160e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 5161e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 5162e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 5163e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 5164432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 5165c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 5166c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 5167e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 5168e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 5169e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 5170e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5171e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 5172e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 5173cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 5174cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 5175e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 5176e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 5177e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 5178e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 5179e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 5180432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 5181c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 5182c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 5183432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5184432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 5185432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 5186432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 5187432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 5188e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 5189e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 5190e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5191db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 5192db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 5193db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 5194db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 5195db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 5196c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 5197c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 5198c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 5199c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 5200c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 5201c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 52027c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian if (!LDecl || !RDecl || (LDecl == RDecl)) 5203db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 5204db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 52057c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian do { 5206c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 5207e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 5208c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::SmallVector<ObjCProtocolDecl *, 8> Protocols; 5209c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 5210c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5211c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 5212c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 5213c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 5214c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 5215c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 5216e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 52177c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian } while ((LDecl = LDecl->getSuperClass())); 5218db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 5219db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 5220db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 5221db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 5222c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 5223c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 5224c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 5225c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 5226c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 52276ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 52286ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 5229c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 52306ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 52311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52326ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 52336ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 5234c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 52356ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 52361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5237b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, 5238b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // more detailed analysis is required. 5239b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (RHS->getNumProtocols() == 0) { 5240b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // OK, if LHS is a superclass of RHS *and* 5241b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // this superclass is assignment compatible with LHS. 5242b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // false otherwise. 5243627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian bool IsSuperClass = 5244627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian LHS->getInterface()->isSuperClassOf(RHS->getInterface()); 5245627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian if (IsSuperClass) { 5246b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // OK if conversion of LHS to SuperClass results in narrowing of types 5247b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // ; i.e., SuperClass may implement at least one of the protocols 5248b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // in LHS's protocol list. Example, SuperObj<P1> = lhs<P1,P2> is ok. 5249b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // But not SuperObj<P1,P2,P3> = lhs<P1,P2>. 5250b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> SuperClassInheritedProtocols; 5251627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian CollectInheritedProtocols(RHS->getInterface(), SuperClassInheritedProtocols); 5252b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // If super class has no protocols, it is not a match. 5253b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (SuperClassInheritedProtocols.empty()) 5254b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5255b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian 5256b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 5257b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian LHSPE = LHS->qual_end(); 5258b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian LHSPI != LHSPE; LHSPI++) { 5259b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian bool SuperImplementsProtocol = false; 5260b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian ObjCProtocolDecl *LHSProto = (*LHSPI); 5261b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian 5262b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5263b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian SuperClassInheritedProtocols.begin(), 5264b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian E = SuperClassInheritedProtocols.end(); I != E; ++I) { 5265b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian ObjCProtocolDecl *SuperClassProto = (*I); 5266b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (SuperClassProto->lookupProtocolNamed(LHSProto->getIdentifier())) { 5267b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian SuperImplementsProtocol = true; 5268b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian break; 5269b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5270b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5271b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (!SuperImplementsProtocol) 5272b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5273b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5274b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return true; 5275b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5276b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5277b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 52781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5279c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 5280c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 528191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 528291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 528391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 528491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 528591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 5286c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 5287c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 52888f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 52898f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 529091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 52918f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 52928f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 529391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 529491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 529591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 529691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 529791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 529891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 529991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 53006ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 53016ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 5302389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 5303389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 5304183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 5305183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 53061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 530714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 5308389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 530914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 531014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 531114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 5312389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 5313389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 5314569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorbool ASTContext::canBindObjCObjectType(QualType To, QualType From) { 5315569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return canAssignObjCInterfaces( 5316569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(To)->getAs<ObjCObjectPointerType>(), 5317569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(From)->getAs<ObjCObjectPointerType>()); 5318569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 5319569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 53201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 5321ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 53221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 5323ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 5324447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregorbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS, 5325447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool CompareUnqualified) { 53260e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 53270e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 53280e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 5329447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return !mergeTypes(LHS, RHS, false, CompareUnqualified).isNull(); 53303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 53313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5332132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 5333132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 5334132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 5335132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 53364846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeTransparentUnionType - if T is a transparent union type and a member 53374846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// of T is compatible with SubType, return the merged type, else return 53384846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// QualType() 53394846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeTransparentUnionType(QualType T, QualType SubType, 53404846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 53414846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 53424846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (const RecordType *UT = T->getAsUnionType()) { 53434846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne RecordDecl *UD = UT->getDecl(); 53444846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (UD->hasAttr<TransparentUnionAttr>()) { 53454846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne for (RecordDecl::field_iterator it = UD->field_begin(), 53464846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne itend = UD->field_end(); it != itend; ++it) { 5347f91d7572ee7fa6f2926c8e7e816039a1154a59f8Peter Collingbourne QualType ET = it->getType().getUnqualifiedType(); 53484846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType MT = mergeTypes(ET, SubType, OfBlockPointer, Unqualified); 53494846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!MT.isNull()) 53504846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return MT; 53514846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 53524846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 53534846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 53544846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 53554846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return QualType(); 53564846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 53574846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 53584846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeFunctionArgumentTypes - merge two types which appear as function 53594846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// argument types 53604846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeFunctionArgumentTypes(QualType lhs, QualType rhs, 53614846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 53624846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 53634846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // GNU extension: two types are compatible if they appear as a function 53644846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // argument, one of the types is a transparent union type and the other 53654846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // type is compatible with a union member 53664846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType lmerge = mergeTransparentUnionType(lhs, rhs, OfBlockPointer, 53674846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 53684846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!lmerge.isNull()) 53694846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return lmerge; 53704846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 53714846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType rmerge = mergeTransparentUnionType(rhs, lhs, OfBlockPointer, 53724846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 53734846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!rmerge.isNull()) 53744846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return rmerge; 53754846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 53764846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return mergeTypes(lhs, rhs, OfBlockPointer, Unqualified); 53774846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 53784846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 5379132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 5380447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5381447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 5382183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 5383183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 538472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 538572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 53863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 53873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 53883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 53893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 5390132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 5391d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (OfBlockPointer) { 5392d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType RHS = rbase->getResultType(); 5393d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType LHS = lbase->getResultType(); 5394d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian bool UnqualifiedResult = Unqualified; 5395d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (!UnqualifiedResult) 5396d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian UnqualifiedResult = (!RHS.hasQualifiers() && LHS.hasQualifiers()); 5397a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian retType = mergeTypes(LHS, RHS, true, UnqualifiedResult, true); 5398d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian } 5399132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 54008cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall retType = mergeTypes(lbase->getResultType(), rbase->getResultType(), false, 54018cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall Unqualified); 54023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 5403447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5404447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5405447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = retType.getUnqualifiedType(); 5406447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5407447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType LRetType = getCanonicalType(lbase->getResultType()); 5408447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType RRetType = getCanonicalType(rbase->getResultType()); 5409447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5410447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LRetType = LRetType.getUnqualifiedType(); 5411447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RRetType = RRetType.getUnqualifiedType(); 5412447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5413447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5414447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != LRetType) 541561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 5416447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != RRetType) 541761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 54188cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 54196a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 54206a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 54216a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 54226a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 5423264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 5424264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 54258cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 54268cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Compatible functions must have compatible calling conventions 54278cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (!isSameCallConv(lbaseInfo.getCC(), rbaseInfo.getCC())) 54288cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 54298cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 54308cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Regparm is part of the calling convention. 5431a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman if (lbaseInfo.getHasRegParm() != rbaseInfo.getHasRegParm()) 5432a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman return QualType(); 54338cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (lbaseInfo.getRegParm() != rbaseInfo.getRegParm()) 54348cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 54358cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 54368cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // It's noreturn if either type is. 54378cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // FIXME: some uses, e.g. conditional exprs, really want this to be 'both'. 54386a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 54398cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (NoReturn != lbaseInfo.getNoReturn()) 54406a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 54418cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (NoReturn != rbaseInfo.getNoReturn()) 54426a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 54431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 54448cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall FunctionType::ExtInfo einfo(NoReturn, 5445a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman lbaseInfo.getHasRegParm(), 54468cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall lbaseInfo.getRegParm(), 54478cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall lbaseInfo.getCC()); 5448e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 54493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 5450465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 5451465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 54523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 54533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 54543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 54553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 54563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 54573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 54583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 54593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 54603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 54613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 54623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 54637fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 54647fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 54657fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 54663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 54673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman llvm::SmallVector<QualType, 10> types; 54683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 54693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 54703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 54714846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType argtype = mergeFunctionArgumentTypes(largtype, rargtype, 54724846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne OfBlockPointer, 54734846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 54743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 5475447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5476447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5477447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor argtype = argtype.getUnqualifiedType(); 5478447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 54793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 5480447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5481447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor largtype = largtype.getUnqualifiedType(); 5482447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor rargtype = rargtype.getUnqualifiedType(); 5483447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5484447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 548561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 548661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 548761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 548861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 54893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 54903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 54913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5492e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5493e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = lproto->getExtProtoInfo(); 5494e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 5495e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(retType, types.begin(), types.size(), EPI); 54963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 54973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 54983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 54993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 55003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 550172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 55023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 5503465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 55043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 55053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 55063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 55073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 55083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 55093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 55103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 55113d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 55123d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 5513b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 5514b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 5515b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 5516b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 5517b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 5518b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 55193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 55203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 55213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 55223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 55233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 55243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 55253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5526e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5527e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = proto->getExtProtoInfo(); 5528e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 55293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 5530e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall proto->getNumArgs(), EPI); 55313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 55323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 55333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 55343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 55358cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return getFunctionNoProtoType(retType, einfo); 55363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 55373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5538132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 5539447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5540a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian bool Unqualified, bool BlockReturnType) { 554143d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 554243d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 554343d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 55447c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 55457c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 55460e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 55470e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 5548447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5549447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5550447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHS = LHS.getUnqualifiedType(); 5551447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHS = RHS.getUnqualifiedType(); 5552447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 55530e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 55543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 55553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 55563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5557f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 55583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 55593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 55603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 55610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 5562a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 5563a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 55640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 55650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 55660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 55670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 55680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall LQuals.getAddressSpace() != RQuals.getAddressSpace()) 55690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 55700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 55710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 55720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 55730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 55740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 55750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 55760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 55770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 55780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 55790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 55800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 55810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 55820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 55830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 55840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 55850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 55860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 55870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 55880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 55893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 55900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 55910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 55920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 55933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5594852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 5595852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 5596f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 55971adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 55981adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 55991adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 56001adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 56014c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 56024c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 5603a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 5604a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 5605a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 5606a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 56071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5608c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 5609c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 5610c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 5611c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5612213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 5613213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 5614213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 56151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 56164e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 56174e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 56181adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 56191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 5620842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 5621842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 5622183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 56233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 56243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 5625bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 5626183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 56273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 56283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 5629bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 56301adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 56313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 5632ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 56333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 56344a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 56351adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 563672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 563772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 5638ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 563972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 564072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 564172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 564272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 564372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 564472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 56457c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 56467c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 564772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 564872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 564972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 565072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 5651c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 565272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 565372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 565472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 565572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 565672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 565772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 565872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 56591adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 56603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 56613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 56626217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 56636217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 5664447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5665447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5666447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5667447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5668447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, false, 5669447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 56703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 567107d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 567261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 567307d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 567461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 56753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 56763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 5677c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 5678c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 5679c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 56806217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 56816217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 5682447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5683447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5684447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5685447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5686447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer, 5687447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 5688c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 5689c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 5690c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 5691c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 5692c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 5693c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 5694c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 56951adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 56963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 56973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 56983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 56993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 57003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 57013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 57023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 57033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 5704447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5705447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSElem = LHSElem.getUnqualifiedType(); 5706447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSElem = RHSElem.getUnqualifiedType(); 5707447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5708447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5709447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSElem, RHSElem, false, Unqualified); 57103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 571161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 571261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 571361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 571461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 57153bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 57163bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 57173bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 57183bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 57193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 57203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 572161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 572261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 572361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 572461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 57253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 57263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 57273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 57283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 57293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 57303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 57313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 57323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 57333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 57343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 57353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 57363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 57373bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 57383bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 57397e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 57407e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 57413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 57421adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 5743447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return mergeFunctionTypes(LHS, RHS, OfBlockPointer, Unqualified); 574472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 574572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 57463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 57471adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 57483cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 57493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 575064cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 575164cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 575264cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 57533cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 57545a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 57551c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 57561c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 57573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 575861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 5759c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 5760c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 57615a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 57625a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 5763c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 5764c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 5765c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 57665fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 57675fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 57683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 576961490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 577014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 5771132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 5772132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 5773132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 5774a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian RHS->getAs<ObjCObjectPointerType>(), 5775a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian BlockReturnType)) 5776132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 5777132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 5778132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5779183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 5780183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 578114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 578214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5783bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 5784132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5785ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 578672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 578772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 5788ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 57897192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 57902390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 57912390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 57922390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 57932390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 57942390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 57952390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 57962390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 57972390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 57982390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 57992390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 58002390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 58012390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 58022390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 58032390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 58042390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 58052390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 58062390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 58072390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 58082390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 58092390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 58102390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 58112390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 58122390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 58132390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 58142390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 5815e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 5816e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getFunctionExtInfo(LHS); 58172390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 58182390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 5819e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FPT->getNumArgs(), EPI); 58202390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 58212390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 58222390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 58232390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 58242390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 58252390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 58262390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 58272390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 58282390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 58292390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 58302390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 58312390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 58322390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 58332390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 58342390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 58352390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 58362390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 58372390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 58382390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 58392390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 58402390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 58412390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 58422390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 58432390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 58442390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 58452390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 58462390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 58472390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 58482390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 58492390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 58502390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 58512390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 58522390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 58532390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 58542390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 58552390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 58562390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 58572390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 58582390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 58592390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 58602390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 58612390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 58622390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 58632390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 58642390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 58652390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 58665426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 5867ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 5868ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 586988054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 58704ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getIntWidth(QualType T) const { 5871f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const EnumType *ET = dyn_cast<EnumType>(T)) 587229a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 58731274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (T->isBooleanType()) 58741274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor return 1; 5875f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 5876ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 5877ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5878ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 5879ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 5880f60946222721d9ba3c059563935c17b84703187aDouglas Gregor assert(T->hasSignedIntegerRepresentation() && "Unexpected type"); 58816a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 58826a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 58836a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 58846a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 5885e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VTy->getNumElements(), VTy->getVectorKind()); 58866a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 58876a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 58886a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 5889ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 58906a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 58916a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 58926a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 5893ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 5894ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 5895ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 5896ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 5897ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 5898ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 5899ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 5900ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 5901ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 5902ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 5903ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 5904ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 59052df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 59062df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 5907ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 5908ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 5909ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 5910ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 5911ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5912ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 59137b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios KyrtzidisASTMutationListener::~ASTMutationListener() { } 59147b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios Kyrtzidis 591586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 591686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 591786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 591886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 591986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 592086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 592133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// pointer over the consumed characters. This returns the resultant type. If 592233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// AllowTypeModifiers is false then modifier like * are not parsed, just basic 592333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// types. This allows "v2i*" to be parsed as a pointer to a v2i instead of 592433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// a vector of "i*". 592514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// 592614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// RequiresICE is filled in on return to indicate whether the value is required 592714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// to be an Integer Constant Expression. 59284ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType DecodeTypeFromStr(const char *&Str, const ASTContext &Context, 592986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 593014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool &RequiresICE, 593133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner bool AllowTypeModifiers) { 593286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 593386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 593486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 593514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = false; 5936393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 593733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Read the prefixed modifiers first. 593886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 593986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 594086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 59411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 5942393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner case 'I': 594314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = true; 5944393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner break; 594586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 594686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 594786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 594886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 594986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 595086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 595186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 595286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 595386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 595486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 595586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 595686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 595786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 595886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 595986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 596086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 596186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 596286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 59631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 596486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 596586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 596686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 596786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 596886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 596986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 597086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 597186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 597286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 597386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 597486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 597586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 597686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 597786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 597886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 597986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 598086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 598186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 598286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 598386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 598486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 598586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 598686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 598786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 598886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 598986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 599086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 599186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 599286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 599386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 599486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 599586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 599686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 599786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 599886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 599986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 600086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 600186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 600286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 600386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 600486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 600586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 600686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 600786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 600886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 600986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 601086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 601186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 601286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 601386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 601486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 601586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 601686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 601786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 601886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 601986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 602086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 602186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 6022ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'G': 6023ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCIdType(); 6024ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 6025ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'H': 6026ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCSelType(); 6027ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 602886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 602986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 603086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 603186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 603286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 603386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 603486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 603586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 603686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 603786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 603886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 603986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 604086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 604186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 604286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 604314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (Type->isArrayType()) 604486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 604514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner else 604686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 604786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 604886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 604986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 605086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 605186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 605286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 60531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 605414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, 605514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, false); 605614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require vector ICE"); 605733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner 605833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // TODO: No way to make AltiVec vectors in builtins yet. 6059788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Type = Context.getVectorType(ElementType, NumElements, 6060e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 606186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 606286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6063d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 606414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, RequiresICE, 606514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner false); 606614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require complex ICE"); 6067d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 6068d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 6069d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor } 60709a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 6071c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 6072c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 6073f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 607486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 607586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6076fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 60779a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 6078f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 6079782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 6080f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 6081f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 6082f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 6083fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 6084f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 6085fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 6086fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 6087fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 6088782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 60891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 609033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // If there are modifiers and if we're allowed to parse them, go for it. 609133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Done = !AllowTypeModifiers; 609286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 6093187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 609433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner default: Done = true; --Str; break; 609533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '*': 609633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '&': { 609733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Both pointers and references can have their pointee types 609833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // qualified with an address space. 609933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner char *End; 610033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner unsigned AddrSpace = strtoul(Str, &End, 10); 610133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (End != Str && AddrSpace != 0) { 610233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getAddrSpaceQualType(Type, AddrSpace); 610333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Str = End; 610433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 610533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (c == '*') 610633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getPointerType(Type); 610733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner else 610833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getLValueReferenceType(Type); 610933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 611033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 611133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 611233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'C': 611333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Type.withConst(); 611433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 611533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'D': 611633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getVolatileType(Type); 611733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 611886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 611986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6120393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 612114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert((!RequiresICE || Type->isIntegralOrEnumerationType()) && 6122393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner "Integer constant 'I' type must be an integer"); 61231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 612486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 612586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 612686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 612786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 612833daae66462e8f51ee153463b32bdefd60c801aaChris LattnerQualType ASTContext::GetBuiltinType(unsigned Id, 612914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner GetBuiltinTypeError &Error, 61304ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned *IntegerConstantArgs) const { 613133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(Id); 61321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 613386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner llvm::SmallVector<QualType, 8> ArgTypes; 61341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 613514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool RequiresICE = false; 613686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 613714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error, 613814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, true); 613986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 614086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 614114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 614214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Result of intrinsic cannot be required to be an ICE"); 614314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 614486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 614514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error, RequiresICE, true); 614686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 614786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 614886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 614914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // If this argument is required to be an IntegerConstantExpression and the 615014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // caller cares, fill in the bitmask we return. 615114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (RequiresICE && IntegerConstantArgs) 615214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner *IntegerConstantArgs |= 1 << ArgTypes.size(); 615314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 615486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 615586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 615686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 61571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 615886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 615986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 616086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 616186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 616286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 616386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 616400ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall FunctionType::ExtInfo EI; 616500ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (BuiltinInfo.isNoReturn(Id)) EI = EI.withNoReturn(true); 616600ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 616700ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall bool Variadic = (TypeStr[0] == '.'); 616800ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 616900ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall // We really shouldn't be making a no-proto type here, especially in C++. 617000ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (ArgTypes.empty() && Variadic) 617100ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall return getFunctionNoProtoType(ResType, EI); 6172ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 6173e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI; 617400ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.ExtInfo = EI; 617500ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.Variadic = Variadic; 6176e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 6177e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), EPI); 617886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 6179a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 618090e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForFunction(const FunctionDecl *FD) { 618190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage External = GVA_StrongExternal; 618290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 618390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = FD->getLinkage(); 618490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 618590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 618690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 618790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 618890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 618990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 619090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 619190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (FD->getTemplateSpecializationKind()) { 619290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 619390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 619490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_StrongExternal; 619590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 619690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 619790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 619890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 619990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 620090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 620190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 620290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_TemplateInstantiation; 620390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 620490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 620590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 620690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 620790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isInlined()) 620890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 620990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 621090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!getLangOptions().CPlusPlus || FD->hasAttr<GNUInlineAttr>()) { 621190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // GNU or C99 inline semantics. Determine whether this symbol should be 621290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // externally visible. 621390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->isInlineDefinitionExternallyVisible()) 621490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 621590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 621690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C99 inline semantics, where the symbol is not externally visible. 621790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 621890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 621990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 622090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C++0x [temp.explicit]p9: 622190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // [ Note: The intent is that an inline function that is the subject of 622290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // an explicit instantiation declaration will still be implicitly 622390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // instantiated when used so that the body can be considered for 622490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // inlining, but that no out-of-line copy of the inline function would be 622590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // generated in the translation unit. -- end note ] 622690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->getTemplateSpecializationKind() 622790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis == TSK_ExplicitInstantiationDeclaration) 622890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 622990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 623090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_CXXInline; 623190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 623290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 623390e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForVariable(const VarDecl *VD) { 623490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // If this is a static data member, compute the kind of template 623590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // specialization. Otherwise, this variable is not part of a 623690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // template. 623790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TemplateSpecializationKind TSK = TSK_Undeclared; 623890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (VD->isStaticDataMember()) 623990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TSK = VD->getTemplateSpecializationKind(); 624090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 624190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = VD->getLinkage(); 624290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 624390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis VD->getType()->getLinkage() == UniqueExternalLinkage) 624490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 624590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 624690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 624790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 624890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 624990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 625090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 625190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 625290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 625390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (TSK) { 625490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 625590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 625690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 625790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 625890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 625990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis llvm_unreachable("Variable should not be instantiated"); 626090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Fall through to treat this like any other instantiation. 626190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 626290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 626390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 626490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 626590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 626690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_TemplateInstantiation; 626790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 626890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 626990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 627090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 627190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 627290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 62734ac7c0bb39696e92fd220118fedc484c09a69870Argyrios Kyrtzidisbool ASTContext::DeclMustBeEmitted(const Decl *D) { 627490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 627590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!VD->isFileVarDecl()) 627690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 627790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } else if (!isa<FunctionDecl>(D)) 627890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 627990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 6280ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis // Weak references don't produce any output by themselves. 6281ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (D->hasAttr<WeakRefAttr>()) 6282ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 6283ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 628490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Aliases and used decls are required. 628590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (D->hasAttr<AliasAttr>() || D->hasAttr<UsedAttr>()) 628690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 628790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 628890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 628990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Forward declarations aren't required. 629010620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt if (!FD->doesThisDeclarationHaveABody()) 629190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 629290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 629390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Constructors and destructors are required. 629490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->hasAttr<ConstructorAttr>() || FD->hasAttr<DestructorAttr>()) 629590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 629690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 629790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // The key function for a class is required. 629890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 629990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXRecordDecl *RD = MD->getParent(); 630090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (MD->isOutOfLine() && RD->isDynamicClass()) { 630190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXMethodDecl *KeyFunc = getKeyFunction(RD); 630290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (KeyFunc && KeyFunc->getCanonicalDecl() == MD->getCanonicalDecl()) 630390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 630490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 630590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 630690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 630790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage Linkage = GetGVALinkageForFunction(FD); 630890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 630990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // static, static inline, always_inline, and extern inline functions can 631090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // always be deferred. Normal inline functions can be deferred in C99/C++. 631190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Implicit template instantiations can also be deferred in C++. 631290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (Linkage == GVA_Internal || Linkage == GVA_C99Inline || 631390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage == GVA_CXXInline || Linkage == GVA_TemplateInstantiation) 631490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 631590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 631690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 631790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 631890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const VarDecl *VD = cast<VarDecl>(D); 631990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis assert(VD->isFileVarDecl() && "Expected file scoped var"); 632090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 6321ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (VD->isThisDeclarationADefinition() == VarDecl::DeclarationOnly) 6322ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 6323ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 632490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Structs that have non-trivial constructors or destructors are required. 632590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 632690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // FIXME: Handle references. 6327023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt // FIXME: Be more selective about which constructors we care about. 632890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const RecordType *RT = VD->getType()->getAs<RecordType>()) { 632990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl())) { 6330023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt if (RD->hasDefinition() && !(RD->hasTrivialDefaultConstructor() && 6331023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialCopyConstructor() && 6332023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialMoveConstructor() && 6333023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialDestructor())) 633490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 633590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 633690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 633790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 633890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage L = GetGVALinkageForVariable(VD); 633990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == GVA_Internal || L == GVA_TemplateInstantiation) { 634090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!(VD->getInit() && VD->getInit()->HasSideEffects(*this))) 634190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 634290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 634390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 634490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 634590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 6346071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 6347ee743f903858e337434ac0335f147f4de4ecae05Charles DavisCallingConv ASTContext::getDefaultMethodCallConv() { 6348ee743f903858e337434ac0335f147f4de4ecae05Charles Davis // Pass through to the C++ ABI object 6349ee743f903858e337434ac0335f147f4de4ecae05Charles Davis return ABI->getDefaultMethodCallConv(); 6350ee743f903858e337434ac0335f147f4de4ecae05Charles Davis} 6351ee743f903858e337434ac0335f147f4de4ecae05Charles Davis 63524ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::isNearlyEmpty(const CXXRecordDecl *RD) const { 6353dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson // Pass through to the C++ ABI object 6354dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson return ABI->isNearlyEmpty(RD); 6355dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson} 6356dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson 635714110477887e3dc168ffc6c191e72d705051f99ePeter CollingbourneMangleContext *ASTContext::createMangleContext() { 635814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne switch (Target.getCXXABI()) { 635914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_ARM: 636014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Itanium: 636114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createItaniumMangleContext(*this, getDiagnostics()); 636214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Microsoft: 636314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createMicrosoftMangleContext(*this, getDiagnostics()); 636414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne } 636514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne assert(0 && "Unsupported ABI"); 636614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return 0; 636714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne} 636814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 6369071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI::~CXXABI() {} 6370ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek 6371ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremeneksize_t ASTContext::getSideTableAllocatedMemory() const { 6372ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek size_t bytes = 0; 6373ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek bytes += ASTRecordLayouts.getMemorySize(); 6374ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek bytes += ObjCLayouts.getMemorySize(); 6375ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek bytes += KeyFunctions.getMemorySize(); 6376ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek bytes += ObjCImpls.getMemorySize(); 6377ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek bytes += BlockVarCopyInits.getMemorySize(); 6378ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek bytes += DeclAttrs.getMemorySize(); 6379ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek bytes += InstantiatedFromStaticDataMember.getMemorySize(); 6380ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek bytes += InstantiatedFromUsingDecl.getMemorySize(); 6381ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek bytes += InstantiatedFromUsingShadowDecl.getMemorySize(); 6382ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek bytes += InstantiatedFromUnnamedFieldDecl.getMemorySize(); 6383ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek return bytes; 6384ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek} 6385ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek 6386