ASTContext.cpp revision 682b7f8506b70024d3ae88b53a07332bd2cca55e
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" 330c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek#include "llvm/Support/Capacity.h" 34071cc7deffad608165b1ddd5263e8bf181861520Charles Davis#include "CXXABI.h" 352636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis#include <map> 3629445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 391827403a7138946305c0058f262e02b595cf882fDouglas Gregorunsigned ASTContext::NumImplicitDefaultConstructors; 401827403a7138946305c0058f262e02b595cf882fDouglas Gregorunsigned ASTContext::NumImplicitDefaultConstructorsDeclared; 41225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregorunsigned ASTContext::NumImplicitCopyConstructors; 42225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregorunsigned ASTContext::NumImplicitCopyConstructorsDeclared; 43ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Huntunsigned ASTContext::NumImplicitMoveConstructors; 44ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Huntunsigned ASTContext::NumImplicitMoveConstructorsDeclared; 45a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregorunsigned ASTContext::NumImplicitCopyAssignmentOperators; 46a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregorunsigned ASTContext::NumImplicitCopyAssignmentOperatorsDeclared; 47ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Huntunsigned ASTContext::NumImplicitMoveAssignmentOperators; 48ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Huntunsigned ASTContext::NumImplicitMoveAssignmentOperatorsDeclared; 494923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregorunsigned ASTContext::NumImplicitDestructors; 504923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregorunsigned ASTContext::NumImplicitDestructorsDeclared; 514923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerenum FloatingRank { 535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatRank, DoubleRank, LongDoubleRank 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 563e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregorvoid 573e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorASTContext::CanonicalTemplateTemplateParm::Profile(llvm::FoldingSetNodeID &ID, 583e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *Parm) { 593e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Parm->getDepth()); 603e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Parm->getPosition()); 6161c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor ID.AddBoolean(Parm->isParameterPack()); 623e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 633e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList *Params = Parm->getTemplateParameters(); 643e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Params->size()); 653e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 663e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor PEnd = Params->end(); 673e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor P != PEnd; ++P) { 683e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) { 693e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(0); 703e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddBoolean(TTP->isParameterPack()); 713e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor continue; 723e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 733e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 743e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(*P)) { 753e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(1); 7661c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor ID.AddBoolean(NTTP->isParameterPack()); 773e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddPointer(NTTP->getType().getAsOpaquePtr()); 786952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor if (NTTP->isExpandedParameterPack()) { 796952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ID.AddBoolean(true); 806952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ID.AddInteger(NTTP->getNumExpansionTypes()); 816952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor for (unsigned I = 0, N = NTTP->getNumExpansionTypes(); I != N; ++I) 826952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ID.AddPointer(NTTP->getExpansionType(I).getAsOpaquePtr()); 836952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } else 846952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ID.AddBoolean(false); 853e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor continue; 863e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 873e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 883e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *TTP = cast<TemplateTemplateParmDecl>(*P); 893e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(2); 903e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Profile(ID, TTP); 913e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 923e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor} 933e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 943e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorTemplateTemplateParmDecl * 953e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorASTContext::getCanonicalTemplateTemplateParmDecl( 964ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad TemplateTemplateParmDecl *TTP) const { 973e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Check if we already have a canonical template template parameter. 983e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor llvm::FoldingSetNodeID ID; 993e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonicalTemplateTemplateParm::Profile(ID, TTP); 1003e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor void *InsertPos = 0; 1013e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonicalTemplateTemplateParm *Canonical 1023e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); 1033e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (Canonical) 1043e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor return Canonical->getParam(); 1053e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1063e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Build a canonical template parameter list. 1073e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList *Params = TTP->getTemplateParameters(); 1085f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<NamedDecl *, 4> CanonParams; 1093e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.reserve(Params->size()); 1103e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 1113e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor PEnd = Params->end(); 1123e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor P != PEnd; ++P) { 1133e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) 1143e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back( 1153e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTypeParmDecl::Create(*this, getTranslationUnitDecl(), 116344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara SourceLocation(), 117344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara SourceLocation(), 118344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara TTP->getDepth(), 1193e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->getIndex(), 0, false, 1203e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->isParameterPack())); 1213e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor else if (NonTypeTemplateParmDecl *NTTP 1226952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor = dyn_cast<NonTypeTemplateParmDecl>(*P)) { 1236952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor QualType T = getCanonicalType(NTTP->getType()); 1246952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor TypeSourceInfo *TInfo = getTrivialTypeSourceInfo(T); 1256952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NonTypeTemplateParmDecl *Param; 1266952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor if (NTTP->isExpandedParameterPack()) { 1275f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 2> ExpandedTypes; 1285f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TypeSourceInfo *, 2> ExpandedTInfos; 1296952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor for (unsigned I = 0, N = NTTP->getNumExpansionTypes(); I != N; ++I) { 1306952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTypes.push_back(getCanonicalType(NTTP->getExpansionType(I))); 1316952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTInfos.push_back( 1326952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor getTrivialTypeSourceInfo(ExpandedTypes.back())); 1336952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } 1346952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor 1356952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor Param = NonTypeTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 136ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 137ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 1386952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getDepth(), 1396952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getPosition(), 0, 1406952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor T, 1416952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor TInfo, 1426952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTypes.data(), 1436952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTypes.size(), 1446952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTInfos.data()); 1456952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } else { 1466952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor Param = NonTypeTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 147ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 148ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 1496952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getDepth(), 1506952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getPosition(), 0, 1516952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor T, 1526952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->isParameterPack(), 1536952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor TInfo); 1546952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } 1556952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor CanonParams.push_back(Param); 1566952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor 1576952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } else 1583e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back(getCanonicalTemplateTemplateParmDecl( 1593e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor cast<TemplateTemplateParmDecl>(*P))); 1603e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 1613e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1623e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *CanonTTP 1633e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = TemplateTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 1643e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), TTP->getDepth(), 16561c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor TTP->getPosition(), 16661c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor TTP->isParameterPack(), 16761c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor 0, 1683e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList::Create(*this, SourceLocation(), 1693e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), 1703e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.data(), 1713e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.size(), 1723e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation())); 1733e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1743e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Get the new insert position for the node we care about. 1753e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); 1763e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor assert(Canonical == 0 && "Shouldn't be in the map!"); 1773e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor (void)Canonical; 1783e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1793e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Create the canonical template template parameter entry. 1803e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = new (*this) CanonicalTemplateTemplateParm(CanonTTP); 1813e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonTemplateTemplateParms.InsertNode(Canonical, InsertPos); 1823e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor return CanonTTP; 1833e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor} 1843e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 185071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI *ASTContext::createCXXABI(const TargetInfo &T) { 186ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall if (!LangOpts.CPlusPlus) return 0; 187ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall 18820cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis switch (T.getCXXABI()) { 189ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall case CXXABI_ARM: 190ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall return CreateARMCXXABI(*this); 191ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall case CXXABI_Itanium: 192071cc7deffad608165b1ddd5263e8bf181861520Charles Davis return CreateItaniumCXXABI(*this); 19320cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis case CXXABI_Microsoft: 19420cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis return CreateMicrosoftCXXABI(*this); 19520cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis } 196ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall return 0; 197071cc7deffad608165b1ddd5263e8bf181861520Charles Davis} 198071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 199207f4d8543529221932af82836016a2ef066c917Peter Collingbournestatic const LangAS::Map &getAddressSpaceMap(const TargetInfo &T, 200207f4d8543529221932af82836016a2ef066c917Peter Collingbourne const LangOptions &LOpts) { 201207f4d8543529221932af82836016a2ef066c917Peter Collingbourne if (LOpts.FakeAddressSpaceMap) { 202207f4d8543529221932af82836016a2ef066c917Peter Collingbourne // The fake address space map must have a distinct entry for each 203207f4d8543529221932af82836016a2ef066c917Peter Collingbourne // language-specific address space. 204207f4d8543529221932af82836016a2ef066c917Peter Collingbourne static const unsigned FakeAddrSpaceMap[] = { 205207f4d8543529221932af82836016a2ef066c917Peter Collingbourne 1, // opencl_global 206207f4d8543529221932af82836016a2ef066c917Peter Collingbourne 2, // opencl_local 207207f4d8543529221932af82836016a2ef066c917Peter Collingbourne 3 // opencl_constant 208207f4d8543529221932af82836016a2ef066c917Peter Collingbourne }; 209207f4d8543529221932af82836016a2ef066c917Peter Collingbourne return FakeAddrSpaceMap; 210207f4d8543529221932af82836016a2ef066c917Peter Collingbourne } else { 211207f4d8543529221932af82836016a2ef066c917Peter Collingbourne return T.getAddressSpaceMap(); 212207f4d8543529221932af82836016a2ef066c917Peter Collingbourne } 213207f4d8543529221932af82836016a2ef066c917Peter Collingbourne} 214207f4d8543529221932af82836016a2ef066c917Peter Collingbourne 21561710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerASTContext::ASTContext(const LangOptions& LOpts, SourceManager &SM, 216444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar const TargetInfo &t, 217e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar IdentifierTable &idents, SelectorTable &sels, 2181b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 21963fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor unsigned size_reserve) : 2208026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl FunctionProtoTypes(this_()), 221ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationTypes(this_()), 222ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationTypes(this_()), 223146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmPacks(this_()), 224006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis GlobalNestedNameSpecifier(0), IsInt128Installed(false), 225006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis CFConstantStringTypeDecl(0), NSConstantStringTypeDecl(0), 226f85e193739c953358c865005855253af4f68a497John McCall ObjCFastEnumerationStateTypeDecl(0), FILEDecl(0), 227f85e193739c953358c865005855253af4f68a497John McCall jmp_bufDecl(0), sigjmp_bufDecl(0), BlockDescriptorType(0), 228f85e193739c953358c865005855253af4f68a497John McCall BlockDescriptorExtendedType(0), cudaConfigureCallDecl(0), 229bf1a028246d884a540aeafa38e89be59a269b072John McCall NullTypeSourceInfo(QualType()), 230207f4d8543529221932af82836016a2ef066c917Peter Collingbourne SourceMgr(SM), LangOpts(LOpts), ABI(createCXXABI(t)), 231207f4d8543529221932af82836016a2ef066c917Peter Collingbourne AddrSpaceMap(getAddressSpaceMap(t, LOpts)), Target(t), 2322e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Idents(idents), Selectors(sels), 233ac9590effa90406767a544005ed1de52e258306bTed Kremenek BuiltinInfo(builtins), 234ac9590effa90406767a544005ed1de52e258306bTed Kremenek DeclarationNames(*this), 2359a44b5f5593bd8a385d06b07c564795f643ec8daArgyrios Kyrtzidis ExternalSource(0), Listener(0), PrintingPolicy(LOpts), 236f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek LastSDM(0, 0), 2378178df3b39ab923ff5d24538812628abee33df79John McCall UniqueBlockByRefTypeID(0) { 2380f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCIdRedefinitionType = QualType(); 2390f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCClassRedefinitionType = QualType(); 24063fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor ObjCSelRedefinitionType = QualType(); 2411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 242e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 24314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff InitBuiltinTypes(); 244e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 245e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 2465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 2473478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // Release the DenseMaps associated with DeclContext objects. 2483478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: Is this the ideal solution? 2493478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek ReleaseDeclContextMaps(); 2507d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 25163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Call all of the deallocation functions. 25263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (unsigned I = 0, N = Deallocations.size(); I != N; ++I) 25363fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor Deallocations[I].first(Deallocations[I].second); 2540054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2557d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // Release all of the memory associated with overridden C++ methods. 2567d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor for (llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::iterator 2577d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM = OverriddenMethods.begin(), OMEnd = OverriddenMethods.end(); 2587d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM != OMEnd; ++OM) 2597d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM->second.Destroy(); 2603478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek 261dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // ASTRecordLayout objects in ASTRecordLayouts must always be destroyed 26263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // because they can contain DenseMaps. 26363fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (llvm::DenseMap<const ObjCContainerDecl*, 26463fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor const ASTRecordLayout*>::iterator 26563fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor I = ObjCLayouts.begin(), E = ObjCLayouts.end(); I != E; ) 26663fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Increment in loop to prevent using deallocated memory. 26763fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 26863fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor R->Destroy(*this); 26963fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor 270dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek for (llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 271dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { 272dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // Increment in loop to prevent using deallocated memory. 273dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 274dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek R->Destroy(*this); 275dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek } 2766320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 2776320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor for (llvm::DenseMap<const Decl*, AttrVec*>::iterator A = DeclAttrs.begin(), 2786320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AEnd = DeclAttrs.end(); 2796320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A != AEnd; ++A) 2806320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A->second->~AttrVec(); 2816320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 282ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 2830054531488928a424666ac11fcdc6bcc5112de52Douglas Gregorvoid ASTContext::AddDeallocation(void (*Callback)(void*), void *Data) { 2840054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor Deallocations.push_back(std::make_pair(Callback, Data)); 2850054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor} 2860054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 2882cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 2892cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 2902cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 2912cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 293cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << "\n*** AST Context Stats:\n"; 294cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << " " << Types.size() << " types total.\n"; 2957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 296dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 2971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 298dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 299dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 300dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 301dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 302c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 305dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 308dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 309dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 310dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 311dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 312cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << " " << counts[Idx] << " " << #Name \ 313cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " types\n"; \ 314dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 315dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 316dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 317dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 3181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 319cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << "Total bytes = " << TotalBytes << "\n"; 320cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth 3214923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor // Implicit special member functions. 322cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitDefaultConstructorsDeclared << "/" 323cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitDefaultConstructors 324cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit default constructors created\n"; 325cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitCopyConstructorsDeclared << "/" 326cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitCopyConstructors 327cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit copy constructors created\n"; 328ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt if (getLangOptions().CPlusPlus) 329cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitMoveConstructorsDeclared << "/" 330cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitMoveConstructors 331cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit move constructors created\n"; 332cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitCopyAssignmentOperatorsDeclared << "/" 333cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitCopyAssignmentOperators 334cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit copy assignment operators created\n"; 335ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt if (getLangOptions().CPlusPlus) 336cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitMoveAssignmentOperatorsDeclared << "/" 337cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitMoveAssignmentOperators 338cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit move assignment operators created\n"; 339cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitDestructorsDeclared << "/" 340cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitDestructors 341cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit destructors created\n"; 342cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth 3432cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 344cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << "\n"; 3452cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 3462cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 347cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth 34863fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor BumpAlloc.PrintStats(); 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 352e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 3536b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 354e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 3556b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinTypes() { 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 3601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 3631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 3655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 36715b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 3685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 3735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 3745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 3755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 3765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 3771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 3795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 3805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 3815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 3825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 3835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 3841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 3865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 38964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 3902df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 3912df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 3922df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 3932df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 3943f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (LangOpts.CPlusPlus) { // C++ 3.9.1p5 395d3d77cd138f8e830f6547b6f83fcd5721ccf5f5dEli Friedman if (TargetInfo::isTypeSigned(Target.getWCharType())) 3963f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_S); 3973f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner else // -fshort-wchar makes wchar_t be unsigned. 3983f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_U); 3993f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner } else // C99 4003a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 40164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 402f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 403f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 404f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 405f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 406f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 407f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 408f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 409f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 410f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 411f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 412898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 413898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 414898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 415898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 416898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 417898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 4188e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 4192a984cad5ac3fdceeff2bd99daa7b90979313475John McCall // Placeholder type for functions. 4202a984cad5ac3fdceeff2bd99daa7b90979313475John McCall InitBuiltinType(OverloadTy, BuiltinType::Overload); 4212a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 422864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall // Placeholder type for bound members. 423864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall InitBuiltinType(BoundMemberTy, BuiltinType::BoundMember); 424864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 4251de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall // "any" type; useful for debugger-like clients. 4261de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall InitBuiltinType(UnknownAnyTy, BuiltinType::UnknownAny); 4271de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 4295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 4305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 4315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 4328e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 4337e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 4341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 435de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // "Builtin" typedefs set by Sema::ActOnTranslationUnitScope(). 436de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = QualType(); 437de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = QualType(); 43813dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = QualType(); 4391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 441de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 442de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 44313dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 44414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 445a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 4461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 44833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 4496e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 4506e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 4516e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 4525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 45478a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios KyrtzidisDiagnostic &ASTContext::getDiagnostics() const { 45578a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis return SourceMgr.getDiagnostics(); 45678a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis} 45778a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis 4586320064d0c60fa8683f5623881c9394fd4aa7689Douglas GregorAttrVec& ASTContext::getDeclAttrs(const Decl *D) { 4596320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AttrVec *&Result = DeclAttrs[D]; 4606320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (!Result) { 4616320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor void *Mem = Allocate(sizeof(AttrVec)); 4626320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Result = new (Mem) AttrVec; 4636320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 4646320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 4656320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor return *Result; 4666320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 4676320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 4686320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor/// \brief Erase the attributes corresponding to the given declaration. 4696320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregorvoid ASTContext::eraseDeclAttrs(const Decl *D) { 4706320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor llvm::DenseMap<const Decl*, AttrVec*>::iterator Pos = DeclAttrs.find(D); 4716320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (Pos != DeclAttrs.end()) { 4726320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Pos->second->~AttrVec(); 4736320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor DeclAttrs.erase(Pos); 4746320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 4756320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 4766320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 477251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 478663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 4797caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 480663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 4817caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 4827caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 4837caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 4841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4857caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 4867caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 4877caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 4881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 489251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 4909421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis TemplateSpecializationKind TSK, 4919421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis SourceLocation PointOfInstantiation) { 4927caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 4937caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 4947caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 4957caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 496251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 4979421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis = new (*this) MemberSpecializationInfo(Tmpl, TSK, PointOfInstantiation); 4987caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 4997caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 5007ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 501ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 5027ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 503ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 504ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 5050d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 5061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5070d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 5080d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 5090d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 5100d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 511ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 512ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 513ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 514ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 515ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 516ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 517ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 518ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 519ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 520ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 521ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 522ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 523ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 524ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 525ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 526ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 527ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 528ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 529ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 530ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 531ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 532ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 533ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 534ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 5350d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 5360d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 537d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 538d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 539d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 540d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 541d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 5421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 543d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 544d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 545d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 546d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 547d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 548d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 549d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 550d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 551d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 5521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 553d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 554d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 555d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 55614d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanianbool ASTContext::ZeroBitfieldFollowsNonBitfield(const FieldDecl *FD, 55714d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian const FieldDecl *LastFD) const { 55814d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian return (FD->isBitField() && LastFD && !LastFD->isBitField() && 559682b7f8506b70024d3ae88b53a07332bd2cca55eChad Rosier FD->getBitWidth()->EvaluateAsInt(*this).getZExtValue() == 0); 56014d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian} 56114d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian 562340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanianbool ASTContext::ZeroBitfieldFollowsBitfield(const FieldDecl *FD, 563340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian const FieldDecl *LastFD) const { 564340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian return (FD->isBitField() && LastFD && LastFD->isBitField() && 565682b7f8506b70024d3ae88b53a07332bd2cca55eChad Rosier FD->getBitWidth()->EvaluateAsInt(*this).getZExtValue() == 0 && 566682b7f8506b70024d3ae88b53a07332bd2cca55eChad Rosier LastFD->getBitWidth()->EvaluateAsInt(*this).getZExtValue() != 0); 567340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian} 568340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian 5699b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanianbool ASTContext::BitfieldFollowsBitfield(const FieldDecl *FD, 5709b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian const FieldDecl *LastFD) const { 5719b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian return (FD->isBitField() && LastFD && LastFD->isBitField() && 572682b7f8506b70024d3ae88b53a07332bd2cca55eChad Rosier FD->getBitWidth()->EvaluateAsInt(*this).getZExtValue() && 573682b7f8506b70024d3ae88b53a07332bd2cca55eChad Rosier LastFD->getBitWidth()->EvaluateAsInt(*this).getZExtValue()); 5749b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian} 5759b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian 57652bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanianbool ASTContext::NoneBitfieldFollowsBitfield(const FieldDecl *FD, 57752bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian const FieldDecl *LastFD) const { 57852bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian return (!FD->isBitField() && LastFD && LastFD->isBitField() && 579682b7f8506b70024d3ae88b53a07332bd2cca55eChad Rosier LastFD->getBitWidth()->EvaluateAsInt(*this).getZExtValue()); 58052bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian} 58152bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian 58252bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanianbool ASTContext::BitfieldFollowsNoneBitfield(const FieldDecl *FD, 58352bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian const FieldDecl *LastFD) const { 58452bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian return (FD->isBitField() && LastFD && !LastFD->isBitField() && 585682b7f8506b70024d3ae88b53a07332bd2cca55eChad Rosier FD->getBitWidth()->EvaluateAsInt(*this).getZExtValue()); 58652bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian} 58752bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian 5887d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 5897d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 5907d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 5917d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 5927d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 5937d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 5947d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 5957d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 5967d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 5977d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 5987d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 5997d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 6007d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 6017d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 6027d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 6037d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 6047d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 6057d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 6067d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 6077d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 608c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidisunsigned 609c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios KyrtzidisASTContext::overridden_methods_size(const CXXMethodDecl *Method) const { 610c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 611c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis = OverriddenMethods.find(Method); 612c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis if (Pos == OverriddenMethods.end()) 613c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return 0; 614c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 615c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return Pos->second.size(); 616c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis} 617c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 6187d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 6197d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 6207d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 6217d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 6227d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 623464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 624464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 625464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 626a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 627b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 628b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 629b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 630183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 631b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 632b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 633b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 634b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 635b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 636b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 637b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 638b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 639b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 6408b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 641af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 642af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 6435d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 6445d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 6454ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) const { 646dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 647dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 6484081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall bool UseAlignAttrOnly = false; 6494081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (unsigned AlignFromAttr = D->getMaxAlignment()) { 6504081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall Align = AlignFromAttr; 6514081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall 6524081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // __attribute__((aligned)) can increase or decrease alignment 6534081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // *except* on a struct or struct member, where it only increases 6544081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // alignment unless 'packed' is also specified. 6554081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // 6564081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // It is an error for [[align]] to decrease alignment, so we can 6574081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // ignore that possibility; Sema should diagnose it. 6584081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (isa<FieldDecl>(D)) { 6594081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = D->hasAttr<PackedAttr>() || 6604081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 6614081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else { 6624081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = true; 6634081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 6644081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 66578a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian else if (isa<FieldDecl>(D)) 66678a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian UseAlignAttrOnly = 66778a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian D->hasAttr<PackedAttr>() || 66878a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 669dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 670ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // If we're using the align attribute only, just ignore everything 671ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // else about the declaration and its type. 6724081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (UseAlignAttrOnly) { 673ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // do nothing 674ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 6754081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 676af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 6776217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 6785d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 6795d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 6805d484e8cf710207010720589d89602233de61d01Sebastian Redl else 6815d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 6825d484e8cf710207010720589d89602233de61d01Sebastian Redl } 6835d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 6843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Adjust alignments of declarations with array type by the 6853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // large-array alignment on the target. 6866deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned MinWidth = Target.getLargeArrayMinWidth(); 6873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *arrayType; 6883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (MinWidth && (arrayType = getAsArrayType(T))) { 6893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (isa<VariableArrayType>(arrayType)) 6903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Align = std::max(Align, Target.getLargeArrayAlign()); 6913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall else if (isa<ConstantArrayType>(arrayType) && 6923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall MinWidth <= getTypeSize(cast<ConstantArrayType>(arrayType))) 6933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Align = std::max(Align, Target.getLargeArrayAlign()); 6943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 6953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Walk through any array types while we're at it. 6963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall T = getBaseElementType(arrayType); 6976deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola } 6989f1210c3280104417a4ad30f0a00825ac8fa718aChad Rosier Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 699dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 700ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 701ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Fields can be subject to extra alignment constraints, like if 702ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the field is packed, the struct is packed, or the struct has a 703ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // a max-field-alignment constraint (#pragma pack). So calculate 704ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the actual alignment of the field within the struct, and then 705ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // (as we're expected to) constrain that by the alignment of the type. 706ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (const FieldDecl *field = dyn_cast<FieldDecl>(VD)) { 707ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // So calculate the alignment of the field. 708ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall const ASTRecordLayout &layout = getASTRecordLayout(field->getParent()); 709ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 710ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Start with the record's overall alignment. 711dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck unsigned fieldAlign = toBits(layout.getAlignment()); 712ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 713ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Use the GCD of that and the offset within the record. 714ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t offset = layout.getFieldOffset(field->getFieldIndex()); 715ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (offset > 0) { 716ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Alignment is always a power of 2, so the GCD will be a power of 2, 717ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // which means we get to do this crazy thing instead of Euclid's. 718ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t lowBitOfOffset = offset & (~offset + 1); 719ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (lowBitOfOffset < fieldAlign) 720ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall fieldAlign = static_cast<unsigned>(lowBitOfOffset); 721ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall } 722ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 723ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall Align = std::min(Align, fieldAlign); 72405f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 725af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 726dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 727eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(Align); 728af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 729b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 730ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 731bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(const Type *T) const { 732ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 733eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return std::make_pair(toCharUnitsFromBits(Info.first), 734eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck toCharUnitsFromBits(Info.second)); 735ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 736ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 737ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 738bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(QualType T) const { 739ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 740ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 741ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 742a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 743a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 7440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 7450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 7460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 7470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 748d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 7494ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getTypeInfo(const Type *T) const { 7505e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 7515e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 752a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 75372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 75472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 75518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 75672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 75772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 758d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall llvm_unreachable("Should not see dependent types"); 75972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 76072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 7615d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 7625d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 76318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 76418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 76518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 76618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 76718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 76872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 769fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 77018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 77118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 77218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 77318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 774fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 7751d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 7761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 77798be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 7789e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 779030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 780cd88b4171753dcb2bc0a21d78f1597c796bb8a20Argyrios Kyrtzidis Width = llvm::RoundUpToAlignment(Width, Align); 781030d8846c7e520330007087e949f621989876e3aChris Lattner break; 7825c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 783213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 784030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 7859fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 7869fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 7879fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 7884bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 7896fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 7906fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 7918eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 7929fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 7939fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 7949fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 795030d8846c7e520330007087e949f621989876e3aChris Lattner break; 796030d8846c7e520330007087e949f621989876e3aChris Lattner } 7975d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 7989e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 799a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 800692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 801d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 80218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 80318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 80418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 80518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 80618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 8076f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 8089e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 8099e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 8106f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 811692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 812692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 813692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 8146f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 8159e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 8169e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 8176f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 8183f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 8193f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 82064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 82164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 82264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 823f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 824f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar16Width(); 825f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar16Align(); 826f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 827f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 828f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar32Width(); 829f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar32Align(); 830f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 831692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 8326f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 8339e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 8349e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 8356f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 836692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 8376f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 8389e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 8399e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 8406f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 841692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 8426f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 8439e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 8449e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 8456f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 846692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 8476f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 8489e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 8499e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 8506f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 851ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 852ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 853ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 854ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 855ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 8566f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 8579e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 8589e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 8596f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 8606f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 8615426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 8625426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 8636f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 8646f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 8659e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 8669e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 8676f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 8686e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 8696e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Width = Target.getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 8706e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Align = Target.getPointerAlign(0); // == sizeof(void*) 8711590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 872e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCId: 873e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCClass: 874e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCSel: 875e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Width = Target.getPointerWidth(0); 876e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Align = Target.getPointerAlign(0); 877e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian break; 878a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 879bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 880d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 8815426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 882f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 8836f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 884485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 885207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace( 886207f4d8543529221932af82836016a2ef066c917Peter Collingbourne cast<BlockPointerType>(T)->getPointeeType()); 887485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 888485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 889485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 890485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 8915d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 8925d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 8935d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 8945d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 895207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace( 896207f4d8543529221932af82836016a2ef066c917Peter Collingbourne cast<ReferenceType>(T)->getPointeeType()); 8975d484e8cf710207010720589d89602233de61d01Sebastian Redl Width = Target.getPointerWidth(AS); 8985d484e8cf710207010720589d89602233de61d01Sebastian Redl Align = Target.getPointerAlign(AS); 8995d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 9005d484e8cf710207010720589d89602233de61d01Sebastian Redl } 901f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 902207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace(cast<PointerType>(T)->getPointeeType()); 9035426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 904f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 905f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 906f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 907f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 908071cc7deffad608165b1ddd5263e8bf181861520Charles Davis const MemberPointerType *MPT = cast<MemberPointerType>(T); 9091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 9101cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 911071cc7deffad608165b1ddd5263e8bf181861520Charles Davis Width = PtrDiffInfo.first * ABI->getMemberPointerSize(MPT); 9121cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 9131cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 914f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 9155d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 9165d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 9175d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 9181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 91998be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 9209e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 9215d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 9225d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 9235d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 924c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 925c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 92644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 9271d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 92844a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 929dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 930dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 93144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 93244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 93372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 93472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 9351d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 9361d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 9371d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 93822ce41d9fc8509da65858c75bf5b3c4dae2d8c04Douglas Gregor Width = 8; 93922ce41d9fc8509da65858c75bf5b3c4dae2d8c04Douglas Gregor Align = 8; 9408389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 9418389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 9421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9431d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 9447176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 9457176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 9461d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 9477176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 948dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 949dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 950dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 951a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 9527532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 9539fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 95449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 95549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 95649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 95734b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: { 95834b41d939a1328f484511c6002ba2456db879a29Richard Smith const AutoType *A = cast<AutoType>(T); 95934b41d939a1328f484511c6002ba2456db879a29Richard Smith assert(A->isDeduced() && "Cannot request the size of a dependent type"); 960dc856aff4428380baa9afb5577ea04f8fb6beb13Matt Beaumont-Gay return getTypeInfo(A->getDeducedType().getTypePtr()); 96134b41d939a1328f484511c6002ba2456db879a29Richard Smith } 96234b41d939a1328f484511c6002ba2456db879a29Richard Smith 963075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara case Type::Paren: 964075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return getTypeInfo(cast<ParenType>(T)->getInnerType().getTypePtr()); 965075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 96618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 967162e1c1b487352434552147967c3dd296ebee2f7Richard Smith const TypedefNameDecl *Typedef = cast<TypedefType>(T)->getDecl(); 968df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor std::pair<uint64_t, unsigned> Info 969df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor = getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 970c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // If the typedef has an aligned attribute on it, it overrides any computed 971c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // alignment we have. This violates the GCC documentation (which says that 972c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // attribute(aligned) can only round up) but matches its implementation. 973c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner if (unsigned AttrAlign = Typedef->getMaxAlignment()) 974c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = AttrAlign; 975c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner else 976c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = Info.second; 977df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Width = Info.first; 9787532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 9797176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 98018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 98118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 98218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 98318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 98418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 98518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 98618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 98718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 988395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 989395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 990395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 991395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 992ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt case Type::UnaryTransform: 993ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return getTypeInfo(cast<UnaryTransformType>(T)->getUnderlyingType()); 994ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 995465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 996465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 9971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9989d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall case Type::Attributed: 9999d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return getTypeInfo( 10009d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall cast<AttributedType>(T)->getEquivalentType().getTypePtr()); 10019d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 10023e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith case Type::TemplateSpecialization: { 10031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 100418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 10053e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith const TemplateSpecializationType *TST = cast<TemplateSpecializationType>(T); 10063e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // A type alias template specialization may refer to a typedef with the 10073e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // aligned attribute on it. 10083e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TST->isTypeAlias()) 10093e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return getTypeInfo(TST->getAliasedType().getTypePtr()); 10103e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else 10113e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return getTypeInfo(getCanonicalType(T)); 10123e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 10133e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 101418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 10151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1016464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 10179e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 1018a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 1019a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1020eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck/// toCharUnitsFromBits - Convert a size in bits to a size in characters. 1021eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen DyckCharUnits ASTContext::toCharUnitsFromBits(int64_t BitSize) const { 1022eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return CharUnits::fromQuantity(BitSize / getCharWidth()); 1023eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck} 1024eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck 1025dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck/// toBits - Convert a size in characters to a size in characters. 1026dd76a9ab9ea675671200f94b18ce95766841952bKen Dyckint64_t ASTContext::toBits(CharUnits CharSize) const { 1027dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck return CharSize.getQuantity() * getCharWidth(); 1028dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck} 1029dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck 1030bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 1031bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 10324ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(QualType T) const { 1033eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 1034bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 10354ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(const Type *T) const { 1036eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 1037bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 1038bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 103916e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 104086fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 10414ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(QualType T) const { 1042eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 104386fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 10444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(const Type *T) const { 1045eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 104686fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 104786fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 104834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 104934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 105034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 105134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 10524ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getPreferredTypeAlign(const Type *T) const { 105334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 10541eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 10551eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 1056183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 10571eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 10581eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 10591eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 10601eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 10611eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 106234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 106334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 106434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 10652c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// DeepCollectObjCIvars - 10662c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// This routine first collects all declared, but not synthesized, ivars in 10672c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// super class and then collects all ivars, including those synthesized for 10682c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// current class. This routine is used for implementation of current class 10692c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// when all ivars, declared and synthesized are known. 10709820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 10712c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanianvoid ASTContext::DeepCollectObjCIvars(const ObjCInterfaceDecl *OI, 10722c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian bool leafClass, 1073db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose SmallVectorImpl<const ObjCIvarDecl*> &Ivars) const { 10742c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 10752c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(SuperClass, false, Ivars); 10762c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (!leafClass) { 10772c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 10782c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian E = OI->ivar_end(); I != E; ++I) 107911062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 108011062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian } 1081bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian else { 1082bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian ObjCInterfaceDecl *IDecl = const_cast<ObjCInterfaceDecl *>(OI); 1083db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose for (const ObjCIvarDecl *Iv = IDecl->all_declared_ivar_begin(); Iv; 1084bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian Iv= Iv->getNextIvar()) 1085bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian Ivars.push_back(Iv); 1086bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian } 10879820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 10889820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 1089e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 1090e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 1091e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 1092432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 1093e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 109453b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // We can use protocol_iterator here instead of 109553b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // all_referenced_protocol_iterator since we are walking all categories. 109653b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCInterfaceDecl::all_protocol_iterator P = OI->all_referenced_protocol_begin(), 109753b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek PE = OI->all_referenced_protocol_end(); P != PE; ++P) { 1098e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1099432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1100e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1101b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 1102b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 1103e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1104e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1105b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 1106e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 1107e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 1108e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 1109e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 1110e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 1111e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 1112e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 1113e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 1114e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 1115e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1116b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 111753b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCCategoryDecl::protocol_iterator P = OC->protocol_begin(), 1118e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 1119e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1120432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1121e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1122e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1123e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1124e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1125b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 1126e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 1127e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 1128e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1129432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1130e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1131e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1132e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1133e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1134e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1135e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 1136e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 11374ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) const { 11383bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 11393bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 114080aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian for (const ObjCCategoryDecl *CDecl = OI->getFirstClassExtension(); CDecl; 114180aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian CDecl = CDecl->getNextClassExtension()) 1142b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 1143b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 11443bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 11453bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 11463bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 1147b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 1148b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 11498e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 11508e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 11518e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 11528a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 11538a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 11548a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 11558a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 11568a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 11578a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 11588a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 11598a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11608a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 11618a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 11628a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 11638a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 11648a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 11658a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 11668a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 11678a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11688a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 11698a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 11708a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 11718a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 11728a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 11738a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 11748a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11758a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 11768a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 11778a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 11788a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 11798a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 11808a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11818a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 11821ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Get the copy initialization expression of VarDecl,or NULL if 11831ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// none exists. 1184830937bc1100fba7682f7c32c40512085870f50cFariborz JahanianExpr *ASTContext::getBlockVarCopyInits(const VarDecl*VD) { 1185d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD && "Passed null params"); 1186d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1187d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "getBlockVarCopyInits - not __block var"); 1188830937bc1100fba7682f7c32c40512085870f50cFariborz Jahanian llvm::DenseMap<const VarDecl*, Expr*>::iterator 1189d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian I = BlockVarCopyInits.find(VD); 11901ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian return (I != BlockVarCopyInits.end()) ? cast<Expr>(I->second) : 0; 11911ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 11921ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 11931ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Set the copy inialization expression of a block var decl. 11941ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanianvoid ASTContext::setBlockVarCopyInits(VarDecl*VD, Expr* Init) { 11951ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian assert(VD && Init && "Passed null params"); 1196d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1197d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "setBlockVarCopyInits - not __block var"); 11981ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian BlockVarCopyInits[VD] = Init; 11991ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 12001ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 1201a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 1202b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1203a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 1204b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 1205b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1206b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 1207b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 1208b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 1209a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 12104ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned DataSize) const { 1211109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 1212109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 1213109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 1214109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 1215a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 1216109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 1217a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 1218a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 1219a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 1220a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 1221b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 1222b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1223a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 12246952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor SourceLocation L) const { 1225a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 1226c21c7e9c2cded68f91be15be6847c9649242dc17Douglas Gregor DI->getTypeLoc().initialize(const_cast<ASTContext &>(*this), L); 1227a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 1228a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 1229a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 1230b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 12314ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) const { 1232b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 1233b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1234b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1235b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 12364ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCImplementationLayout( 12374ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ObjCImplementationDecl *D) const { 1238b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 1239b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1240b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1241a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1242a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 1243a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1244a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 12454ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 12463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallASTContext::getExtQualType(const Type *baseType, Qualifiers quals) const { 12473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned fastQuals = quals.getFastQualifiers(); 12483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall quals.removeFastQualifiers(); 12490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 12500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 12510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 12523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals::Profile(ID, baseType, quals); 12533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 12543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ExtQuals *eq = ExtQualNodes.FindNodeOrInsertPos(ID, insertPos)) { 12553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(eq->getQualifiers() == quals); 12563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 12570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 12580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 12593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the base type is not canonical, make the appropriate canonical type. 12603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 12613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!baseType->isCanonicalUnqualified()) { 12623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = baseType->getCanonicalTypeInternal().split(); 12633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonSplit.second.addConsistentQualifiers(quals); 12643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getExtQualType(canonSplit.first, canonSplit.second); 12653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 12663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Re-find the insert position. 12673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall (void) ExtQualNodes.FindNodeOrInsertPos(ID, insertPos); 12683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 12693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 12703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals *eq = new (*this, TypeAlignment) ExtQuals(baseType, canon, quals); 12713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQualNodes.InsertNode(eq, insertPos); 12723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 12730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 12740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 12754ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 12764ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) const { 1277f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1278f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1279f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1280b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 12810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 12820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 12830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 12840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 12851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 12870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 12880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 12890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 12900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 12911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1293ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1294ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1295b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 12964ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Qualifiers::GC GCAttr) const { 1297d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1298b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1299d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 13001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13017f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (const PointerType *ptr = T->getAs<PointerType>()) { 13027f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall QualType Pointee = ptr->getPointeeType(); 130358f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 13044027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 13054027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 13064027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 13074027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 13081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 13100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 13110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 13120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 13131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 13150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 13160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 13170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 13180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 13191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1321d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1322a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1323e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCallconst FunctionType *ASTContext::adjustFunctionType(const FunctionType *T, 1324e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionType::ExtInfo Info) { 1325e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (T->getExtInfo() == Info) 1326e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return T; 1327e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1328e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType Result; 1329e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(T)) { 1330e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionNoProtoType(FNPT->getResultType(), Info); 1331e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } else { 1332e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall const FunctionProtoType *FPT = cast<FunctionProtoType>(T); 1333e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 1334e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall EPI.ExtInfo = Info; 1335e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1336e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FPT->getNumArgs(), EPI); 1337e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 1338e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1339e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return cast<FunctionType>(Result.getTypePtr()); 1340e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall} 1341e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 13425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 13435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 13444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getComplexType(QualType T) const { 13455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 13465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 13475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 13485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 13491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 13525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 13531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 13555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 13565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1357467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1358f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 13591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1362c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 13635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13646b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 13655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 13675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 13715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 13724ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPointerType(QualType T) const { 13735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 13745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 13755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 13765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 13771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 13805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 13811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 13835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 13845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1385467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1386f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 13871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1390c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 13915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13926b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 13935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 13955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 13995618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 14004ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockPointerType(QualType T) const { 1401296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1402296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 14035618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 14045618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 14055618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 14061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14075618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 14085618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 14095618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 14105618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 14111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 14135618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 14145618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1415467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 14165618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 14171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14185618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 14195618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 14205618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1421c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14225618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 14236b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 14246b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 14255618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 14265618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 14275618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 14285618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 14295618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 14307c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 14317c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 14324ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 14334ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) const { 14349625e44c0252485277a340746ed8ac950686156fDouglas Gregor assert(getCanonicalType(T) != OverloadTy && 14359625e44c0252485277a340746ed8ac950686156fDouglas Gregor "Unresolved overloaded function type"); 14369625e44c0252485277a340746ed8ac950686156fDouglas Gregor 14375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 14385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 14395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 144054e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 14415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14437c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 14447c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 14455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 14467c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 144754e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 144854e14c4db764c0636160d26c5bbf491637c83a76John McCall 14495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 14505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 14515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 145254e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 145354e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 145454e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 14557c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14567c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 14577c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 14587c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1459c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14607c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 14617c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14626b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 146354e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 146454e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 14657c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 14667c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 146754e14c4db764c0636160d26c5bbf491637c83a76John McCall 14687c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 14697c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 14707c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14717c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 14727c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 14734ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRValueReferenceType(QualType T) const { 14747c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 14757c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 14767c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 147754e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 14787c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14797c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 14807c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 14817c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 14827c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 14837c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 148454e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 148554e14c4db764c0636160d26c5bbf491637c83a76John McCall 14867c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 14877c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 14887c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 148954e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 149054e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 149154e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 14927c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14947c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 14957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1496c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14996b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 15006b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 15015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 15027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 15035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1506f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1507f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 15084ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) const { 1509f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1510f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1511f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1512f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1513f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1514f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1515f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1516f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1517f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1518f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1519f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1520f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1521f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 152287c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1523f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1524f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1525f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1526f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1527f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1528c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 1529f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 15306b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 15316b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1532f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1533f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1534f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1535f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1536f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 15371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1538fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 15391eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 154038aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1541c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 154263e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals) const { 1543923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1544923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1545587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1546587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 154738aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 154838aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 154938aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 15509f71a8f4c7a182a5236da9e747d57cc1d1bd24c2Jay Foad ArySize = 1551207f4d8543529221932af82836016a2ef066c917Peter Collingbourne ArySize.zextOrTrunc(Target.getPointerWidth(getTargetAddressSpace(EltTy))); 15521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 155463e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, IndexTypeQuals); 15551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 15587192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 15595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 15601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the element type isn't canonical or has qualifiers, this won't 15623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // be a canonical type either, so fill in the canonical type field. 15633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 15643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 15653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 15663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getConstantArrayType(QualType(canonSplit.first, 0), ArySize, 156763e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ASM, IndexTypeQuals); 15683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getQualifiedType(Canon, canonSplit.second); 15693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 15705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 15711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 15727192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1573c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15766b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 157763e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType(EltTy, Canon, ArySize, ASM, IndexTypeQuals); 15787192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 15795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 15805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1583ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// getVariableArrayDecayedType - Turns the given type, which may be 1584ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// variably-modified, into the corresponding type with all the known 1585ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// sizes replaced with [*]. 1586ce8890371fcdb983ae487c87fa40606a34896ff7John McCallQualType ASTContext::getVariableArrayDecayedType(QualType type) const { 1587ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Vastly most common case. 1588ce8890371fcdb983ae487c87fa40606a34896ff7John McCall if (!type->isVariablyModifiedType()) return type; 1589ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1590ce8890371fcdb983ae487c87fa40606a34896ff7John McCall QualType result; 1591ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1592ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SplitQualType split = type.getSplitDesugaredType(); 1593ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const Type *ty = split.first; 1594ce8890371fcdb983ae487c87fa40606a34896ff7John McCall switch (ty->getTypeClass()) { 1595ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define TYPE(Class, Base) 1596ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define ABSTRACT_TYPE(Class, Base) 1597ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 1598ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#include "clang/AST/TypeNodes.def" 1599ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("didn't desugar past all non-canonical types?"); 1600ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1601ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types should never be variably-modified. 1602ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Builtin: 1603ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Complex: 1604ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Vector: 1605ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ExtVector: 1606ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedExtVector: 1607ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObject: 1608ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCInterface: 1609ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObjectPointer: 1610ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Record: 1611ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Enum: 1612ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::UnresolvedUsing: 1613ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOfExpr: 1614ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOf: 1615ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Decltype: 1616ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt case Type::UnaryTransform: 1617ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentName: 1618ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::InjectedClassName: 1619ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateSpecialization: 1620ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentTemplateSpecialization: 1621ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateTypeParm: 1622ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::SubstTemplateTypeParmPack: 162334b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: 1624ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::PackExpansion: 1625ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("type should never be variably-modified"); 1626ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1627ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified but should never need to 1628ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // further decay. 1629ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionNoProto: 1630ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionProto: 1631ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::BlockPointer: 1632ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::MemberPointer: 1633ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return type; 1634ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1635ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified. All these modifications 1636ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // preserve structure except as noted by comments. 1637ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // TODO: if we ever care about optimizing VLAs, there are no-op 1638ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // optimizations available here. 1639ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Pointer: 1640ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getPointerType(getVariableArrayDecayedType( 1641ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cast<PointerType>(ty)->getPointeeType())); 1642ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1643ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1644ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::LValueReference: { 1645ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const LValueReferenceType *lv = cast<LValueReferenceType>(ty); 1646ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getLValueReferenceType( 1647ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType()), 1648ce8890371fcdb983ae487c87fa40606a34896ff7John McCall lv->isSpelledAsLValue()); 1649ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1650745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1651ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1652ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::RValueReference: { 1653ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const RValueReferenceType *lv = cast<RValueReferenceType>(ty); 1654ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getRValueReferenceType( 1655ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType())); 1656ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1657745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1658745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1659ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ConstantArray: { 1660ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const ConstantArrayType *cat = cast<ConstantArrayType>(ty); 1661ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getConstantArrayType( 1662ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(cat->getElementType()), 1663ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSize(), 1664ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSizeModifier(), 1665ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getIndexTypeCVRQualifiers()); 1666ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1667745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1668745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1669ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedArray: { 1670ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const DependentSizedArrayType *dat = cast<DependentSizedArrayType>(ty); 1671ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getDependentSizedArrayType( 1672ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(dat->getElementType()), 1673ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeExpr(), 1674ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeModifier(), 1675ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getIndexTypeCVRQualifiers(), 1676ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getBracketsRange()); 1677ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1678ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1679ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1680ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn incomplete types into [*] types. 1681ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::IncompleteArray: { 1682ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const IncompleteArrayType *iat = cast<IncompleteArrayType>(ty); 1683ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1684ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(iat->getElementType()), 1685ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1686ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Normal, 1687ce8890371fcdb983ae487c87fa40606a34896ff7John McCall iat->getIndexTypeCVRQualifiers(), 1688ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SourceRange()); 1689ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1690ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1691ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1692ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn VLA types into [*] types. 1693ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::VariableArray: { 1694ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const VariableArrayType *vat = cast<VariableArrayType>(ty); 1695ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1696ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(vat->getElementType()), 1697ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1698ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Star, 1699ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getIndexTypeCVRQualifiers(), 1700ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getBracketsRange()); 1701ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1702ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1703ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1704ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1705ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Apply the top-level qualifiers from the original. 1706ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return getQualifiedType(result, split.second); 1707ce8890371fcdb983ae487c87fa40606a34896ff7John McCall} 1708745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1709bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1710bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 17117e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 17127e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1713c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 171463e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals, 17154ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceRange Brackets) const { 1716c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1717c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 17183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 1719715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 17203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Be sure to pull qualifiers off the element type. 17213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 17223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 17233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getVariableArrayType(QualType(canonSplit.first, 0), NumElts, ASM, 172463e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara IndexTypeQuals, Brackets); 17253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getQualifiedType(Canon, canonSplit.second); 1726715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor } 1727715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 17286b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 172963e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara VariableArrayType(EltTy, Canon, NumElts, ASM, IndexTypeQuals, Brackets); 1730c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1731c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1732c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1733c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1734c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1735c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1736898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1737898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 173804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 17393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getDependentSizedArrayType(QualType elementType, 17403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Expr *numElements, 1741898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 17423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals, 17433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SourceRange brackets) const { 17443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert((!numElements || numElements->isTypeDependent() || 17453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements->isValueDependent()) && 1746898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1747898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 17483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Dependently-sized array types that do not have a specified number 17493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of elements will have their sizes deduced from a dependent 17503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // initializer. We do no canonicalization here at all, which is okay 17513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // because they can't be used in most locations. 17523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!numElements) { 17533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *newType 17543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 17553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, QualType(), 17563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements, ASM, elementTypeQuals, 17573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 17583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 17593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1760cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1761cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 17623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we actually build a new type every time, but we 17633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // also build a canonical type. 17641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonElementType = getCanonicalType(elementType).split(); 1766898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 17673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 17683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall llvm::FoldingSetNodeID ID; 17693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType::Profile(ID, *this, 17703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(canonElementType.first, 0), 17713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, numElements); 17723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Look for an existing type with these properties. 17743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *canonTy = 17753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.FindNodeOrInsertPos(ID, insertPos); 17763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we don't have one, build one. 17783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!canonTy) { 17793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonTy = new (*this, TypeAlignment) 17803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, QualType(canonElementType.first, 0), 17813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(), numElements, ASM, elementTypeQuals, 17823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 17833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.InsertNode(canonTy, insertPos); 17843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(canonTy); 17853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 17863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Apply qualifiers from the element type to the array. 17883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon = getQualifiedType(QualType(canonTy,0), 17893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonElementType.second); 17903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we didn't need extra canonicalization for the element type, 17923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // then just use that as our result. 17933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (QualType(canonElementType.first, 0) == elementType) 17943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return canon; 17953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we need to build a type which follows the spelling 17973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of the element type. 17983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *sugaredType 17993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 18003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, canon, numElements, 18013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, brackets); 18023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(sugaredType); 18033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(sugaredType, 0); 18043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 18053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getIncompleteArrayType(QualType elementType, 1807c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 18083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals) const { 1809c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 18103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType::Profile(ID, elementType, ASM, elementTypeQuals); 1811c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 18123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 18133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (IncompleteArrayType *iat = 18143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos)) 18153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(iat, 0); 1816c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1817c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 18183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // either, so fill in the canonical type field. We also have to pull 18193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // qualifiers off the element type. 18203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 1821c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 18223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!elementType.isCanonical() || elementType.hasLocalQualifiers()) { 18233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(elementType).split(); 18243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getIncompleteArrayType(QualType(canonSplit.first, 0), 18253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals); 18263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getQualifiedType(canon, canonSplit.second); 1827c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1828c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 18293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *existing = 18303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos); 18313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!existing && "Shouldn't be in the map!"); (void) existing; 18322bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1833c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 18343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *newType = new (*this, TypeAlignment) 18353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType(elementType, canon, ASM, elementTypeQuals); 1836c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 18373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.InsertNode(newType, insertPos); 18383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 18393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1840fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1841fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 184273322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 184373322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 184482287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 18454ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad VectorType::VectorKind VecKind) const { 18463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(vecType->isBuiltinType()); 18471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 18495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1850e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::Profile(ID, vecType, NumElts, Type::Vector, VecKind); 1851788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 18525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 18535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 18545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 18555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 18575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 18585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1859255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (!vecType.isCanonical()) { 1860231da7eb3dd13007e5e40fffe48998e5ef284e06Bob Wilson Canonical = getVectorType(getCanonicalType(vecType), NumElts, VecKind); 18611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 18635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1864c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 18655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18666b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 1867e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(vecType, NumElts, Canonical, VecKind); 18685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 18695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 18705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 18715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1873213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 187473322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 18754ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 18764ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getExtVectorType(QualType vecType, unsigned NumElts) const { 18774ac01401b1ec602a1f58c217544d3dcb5fcbd7f1Douglas Gregor assert(vecType->isBuiltinType() || vecType->isDependentType()); 18781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 187973322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 188073322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 1881788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, 1882e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 188373322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 188473322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 188573322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 188673322924127c873c13101b705dd823f5539ffa5fSteve Naroff 188773322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 188873322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 188973322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1890467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1891213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 18921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 189373322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 189473322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1895c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 189673322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 18976b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 18986b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 189973322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 190073322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 190173322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 190273322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 190373322924127c873c13101b705dd823f5539ffa5fSteve Naroff 19044ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 19054ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentSizedExtVectorType(QualType vecType, 19064ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Expr *SizeExpr, 19074ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation AttrLoc) const { 19082ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 19091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 19102ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 19111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19122ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 19132ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 19142ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 19152ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 19162ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 19172ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 19182ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 19196b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 19206b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 19216b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 19222ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 19232ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 19242ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 19256b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 19266b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 19276b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 1928789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1929789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 1930789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1931789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 1932789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 19332ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 19342ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 19352ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 19362ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 19376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 19386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 19392ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 19402ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 19411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19429cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 19439cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 19449cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 19459cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 194672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 19475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 19484ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 19494ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionNoProtoType(QualType ResultTy, 19504ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionType::ExtInfo &Info) const { 1951cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv DefaultCC = Info.getCC(); 1952cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv CallConv = (LangOpts.MRTD && DefaultCC == CC_Default) ? 1953cfe9af250f466e7e38becea4428990448ae07737Roman Divacky CC_X86StdCall : DefaultCC; 19545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 19555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 19565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1957264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 19581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 19601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 196172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 19625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 19631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1965ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 196604a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 1967264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 1968264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 1969264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 19701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 197272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 197372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1974c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 19755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1977cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionProtoType::ExtInfo newInfo = Info.withCallingConv(CallConv); 19786b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 1979cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionNoProtoType(ResultTy, Canonical, newInfo); 19805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 198172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 19825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 19835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 19845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 19865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 19874ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 19884ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionType(QualType ResultTy, 19894ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const QualType *ArgArray, unsigned NumArgs, 19904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionProtoType::ExtProtoInfo &EPI) const { 19915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 19925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 19935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 19948026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, EPI, *this); 19955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 19971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 199872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 19995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 2000465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2001465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 20028b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl bool isCanonical= EPI.ExceptionSpecType == EST_None && ResultTy.isCanonical(); 20035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 200454e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 20055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 20065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2007cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv DefaultCC = EPI.ExtInfo.getCC(); 2008cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv CallConv = (LangOpts.MRTD && DefaultCC == CC_Default) ? 2009cfe9af250f466e7e38becea4428990448ae07737Roman Divacky CC_X86StdCall : DefaultCC; 2010e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 20115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 2012465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 20135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 201404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 20155f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 16> CanonicalArgs; 20165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 20175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 201854e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 2019465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2020e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo CanonicalEPI = EPI; 20218b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl CanonicalEPI.ExceptionSpecType = EST_None; 20228b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl CanonicalEPI.NumExceptions = 0; 2023e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.ExtInfo 2024e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall = CanonicalEPI.ExtInfo.withCallingConv(getCanonicalCallConv(CallConv)); 2025e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2026f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 2027beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 2028e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI); 2029465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 20305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 203172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 203272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 2033c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 20345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2035465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2036f85e193739c953358c865005855253af4f68a497John McCall // FunctionProtoType objects are allocated with extra bytes after 2037f85e193739c953358c865005855253af4f68a497John McCall // them for three variable size arrays at the end: 2038f85e193739c953358c865005855253af4f68a497John McCall // - parameter types 2039f85e193739c953358c865005855253af4f68a497John McCall // - exception types 2040f85e193739c953358c865005855253af4f68a497John McCall // - consumed-arguments flags 2041f85e193739c953358c865005855253af4f68a497John McCall // Instead of the exception types, there could be a noexcept 2042f85e193739c953358c865005855253af4f68a497John McCall // expression. 2043e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall size_t Size = sizeof(FunctionProtoType) + 204460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NumArgs * sizeof(QualType); 204560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EPI.ExceptionSpecType == EST_Dynamic) 204660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl Size += EPI.NumExceptions * sizeof(QualType); 204760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl else if (EPI.ExceptionSpecType == EST_ComputedNoexcept) { 20488026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl Size += sizeof(Expr*); 204960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 2050f85e193739c953358c865005855253af4f68a497John McCall if (EPI.ConsumedArguments) 2051f85e193739c953358c865005855253af4f68a497John McCall Size += NumArgs * sizeof(bool); 2052f85e193739c953358c865005855253af4f68a497John McCall 2053e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType *FTP = (FunctionProtoType*) Allocate(Size, TypeAlignment); 2054cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionProtoType::ExtProtoInfo newEPI = EPI; 2055cfe9af250f466e7e38becea4428990448ae07737Roman Divacky newEPI.ExtInfo = EPI.ExtInfo.withCallingConv(CallConv); 20568026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, Canonical, newEPI); 20575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 205872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 20595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 20605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 20615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20623cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 20633cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 20643cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 20653cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 20663cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 20673cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 20683cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 20693cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 20703cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 20713cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 20723cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 20733cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 20743cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 20753cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 20763cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 20773cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 20784ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType TST) const { 20793cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 20803cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 20813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 208237ffed3b7f229844cae2463ff82b527506c86c74Argyrios Kyrtzidis } else if (CXXRecordDecl *PrevDecl = Decl->getPreviousDeclaration()) { 20833cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 20843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 20853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 20863cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 2087f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = 208831f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 2089f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2090f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 20913cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 20923cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 20933cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 20943cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 20952ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 20962ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 20974ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) const { 20981e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 2099becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 21001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2101162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (const TypedefNameDecl *Typedef = dyn_cast<TypedefNameDecl>(Decl)) 21022ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 2103becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 2104becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 2105becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 2106becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 210719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 2108becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 2109becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 2110becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 2111400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getRecordType(Record); 211219c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 2113becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 2114becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 2115400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getEnumType(Enum); 211619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 2117ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 2118f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = new (*this, TypeAlignment) UnresolvedUsingType(Using); 2119f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2120f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 21219fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 2122becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 212349aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 212449aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 21252ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 21262ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 21275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 2128162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// specified typedef name decl. 21299763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2130162e1c1b487352434552147967c3dd296ebee2f7Richard SmithASTContext::getTypedefType(const TypedefNameDecl *Decl, 2131162e1c1b487352434552147967c3dd296ebee2f7Richard Smith QualType Canonical) const { 21325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 21331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21349763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (Canonical.isNull()) 21359763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canonical = getCanonicalType(Decl->getUnderlyingType()); 2136f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall TypedefType *newType = new(*this, TypeAlignment) 21376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 2138f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2139f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2140f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 21415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 21425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRecordType(const RecordDecl *Decl) const { 2144400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2145400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2146400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const RecordDecl *PrevDecl = Decl->getPreviousDeclaration()) 2147400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2148400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2149400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2150f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall RecordType *newType = new (*this, TypeAlignment) RecordType(Decl); 2151f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2152f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2153f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2154400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2155400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 21564ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getEnumType(const EnumDecl *Decl) const { 2157400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2158400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2159400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const EnumDecl *PrevDecl = Decl->getPreviousDeclaration()) 2160400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2161400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2162400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2163f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall EnumType *newType = new (*this, TypeAlignment) EnumType(Decl); 2164f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2165f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2166f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2167400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2168400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 21699d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallQualType ASTContext::getAttributedType(AttributedType::Kind attrKind, 21709d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modifiedType, 21719d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType equivalentType) { 21729d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall llvm::FoldingSetNodeID id; 21739d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType::Profile(id, attrKind, modifiedType, equivalentType); 21749d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 21759d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall void *insertPos = 0; 21769d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType *type = AttributedTypes.FindNodeOrInsertPos(id, insertPos); 21779d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall if (type) return QualType(type, 0); 21789d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 21799d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType canon = getCanonicalType(equivalentType); 21809d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall type = new (*this, TypeAlignment) 21819d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType(canon, attrKind, modifiedType, equivalentType); 21829d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 21839d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Types.push_back(type); 21849d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypes.InsertNode(type, insertPos); 21859d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 21869d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return QualType(type, 0); 21879d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall} 21889d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 21899d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 219049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 219149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 219249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 21934ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Replacement) const { 2194467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 219549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 219649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 219749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 219849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 219949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 220049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 220149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 220249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 220349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 220449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 220549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 220649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 220749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 220849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 220949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 221049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 221149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 221249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 2213c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// \brief Retrieve a 2214c3069d618f4661d923cb1b5c4525b082fce73b04Douglas GregorQualType ASTContext::getSubstTemplateTypeParmPackType( 2215c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Parm, 2216c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack) { 2217c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#ifndef NDEBUG 2218c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor for (TemplateArgument::pack_iterator P = ArgPack.pack_begin(), 2219c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor PEnd = ArgPack.pack_end(); 2220c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor P != PEnd; ++P) { 2221c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getKind() == TemplateArgument::Type &&"Pack contains a non-type"); 2222c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getAsType().isCanonical() && "Pack contains non-canonical type"); 2223c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2224c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#endif 2225c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2226c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor llvm::FoldingSetNodeID ID; 2227c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType::Profile(ID, Parm, ArgPack); 2228c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor void *InsertPos = 0; 2229c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (SubstTemplateTypeParmPackType *SubstParm 2230c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos)) 2231c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2232c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2233c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType Canon; 2234c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (!Parm->isCanonicalUnqualified()) { 2235c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getCanonicalType(QualType(Parm, 0)); 2236c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getSubstTemplateTypeParmPackType(cast<TemplateTypeParmType>(Canon), 2237c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2238c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos); 2239c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2240c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2241c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType *SubstParm 2242c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = new (*this, TypeAlignment) SubstTemplateTypeParmPackType(Parm, Canon, 2243c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2244c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Types.push_back(SubstParm); 2245c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 2246c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2247c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor} 2248c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2249fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 22501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 225176e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 22521eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 225376e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 22544fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *TTPDecl) const { 2255fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 22564fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, TTPDecl); 2257fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 22581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 2259fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2260fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2261fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 2262fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 22631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22644fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth if (TTPDecl) { 226576e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 22664fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TypeParm = new (*this, TypeAlignment) TemplateTypeParmType(TTPDecl, Canon); 2267789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2268789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 2269789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2270789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 2271789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 227276e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 22736b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 22746b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 2275fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2276fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 2277fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 2278fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2279fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 2280fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 2281fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 22823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 22833cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 22843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 22853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 22863e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 22877c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Name.getAsDependentTemplateName() && 22887c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 22893e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType TST = getTemplateSpecializationType(Name, Args, Underlying); 22903cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 22913cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 22923cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 22933cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 22943cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 22953cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 22963cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 22973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 22983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 22993cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 23003cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 23013cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 23021eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 23037532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 2304d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 23053e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 23067c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 23077c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 23087c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 2309d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 2310d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 23115f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 4> ArgVec; 2312833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 2313833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 2314833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 2315833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 231631f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 23173e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Underlying); 2318833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 2319833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2320833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 2321833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 23227532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 23237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 23243e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 23257c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 23267c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 23270f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor // Look through qualified template names. 23280f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) 23290f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor Template = TemplateName(QTN->getTemplateDecl()); 23307c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 23313e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith bool isTypeAlias = 23323e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Template.getAsTemplateDecl() && 23333e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith isa<TypeAliasTemplateDecl>(Template.getAsTemplateDecl()); 23343e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 23353e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType CanonType; 23363e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (!Underlying.isNull()) 23373e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType = getCanonicalType(Underlying); 23383e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else { 23393e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith assert(!isTypeAlias && 23403e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith "Underlying type for template alias must be computed by caller"); 23413e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType = getCanonicalTemplateSpecializationType(Template, Args, 23423e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith NumArgs); 23433e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 2344fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 23451275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 23461275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 23471275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 23483e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith void *Mem = Allocate(sizeof(TemplateSpecializationType) + 23493e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith sizeof(TemplateArgument) * NumArgs + 23503e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith (isTypeAlias ? sizeof(QualType) : 0), 23516b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 23521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 2353ef99001908e799c388f1363b1e607dad5f5b57d3John McCall = new (Mem) TemplateSpecializationType(Template, 235431f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 23553e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType, 23563e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith isTypeAlias ? Underlying : QualType()); 23571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 235855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 23591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 236055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 236155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 23621eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 23639763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getCanonicalTemplateSpecializationType(TemplateName Template, 23649763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis const TemplateArgument *Args, 23654ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumArgs) const { 23667c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 23677c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 23683e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith assert((!Template.getAsTemplateDecl() || 23693e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith !isa<TypeAliasTemplateDecl>(Template.getAsTemplateDecl())) && 23703e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith "Underlying type for template alias must be computed by caller"); 23713e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 23720f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor // Look through qualified template names. 23730f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) 23740f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor Template = TemplateName(QTN->getTemplateDecl()); 23757c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 23769763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Build the canonical template specialization type. 23779763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateName CanonTemplate = getCanonicalTemplateName(Template); 23785f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 4> CanonArgs; 23799763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.reserve(NumArgs); 23809763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis for (unsigned I = 0; I != NumArgs; ++I) 23819763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 23829763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 23839763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Determine whether this canonical template specialization type already 23849763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // exists. 23859763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::FoldingSetNodeID ID; 23869763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType::Profile(ID, CanonTemplate, 23879763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, *this); 23889763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 23899763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *InsertPos = 0; 23909763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType *Spec 23919763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 23929763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 23939763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (!Spec) { 23949763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Allocate a new canonical template specialization type. 23959763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *Mem = Allocate((sizeof(TemplateSpecializationType) + 23969763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis sizeof(TemplateArgument) * NumArgs), 23979763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TypeAlignment); 23989763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Spec = new (Mem) TemplateSpecializationType(CanonTemplate, 23999763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, 24003e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType(), QualType()); 24019763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Types.push_back(Spec); 24029763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 24039763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis } 24049763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24059763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis assert(Spec->isDependentType() && 24069763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis "Non-dependent template-id type must have a canonical type"); 24079763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis return QualType(Spec, 0); 24089763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis} 24099763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24109763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2411465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 2412465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 24134ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType NamedType) const { 2414e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 2415465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 2416e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2417e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 2418465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2419e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 2420e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2421e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2422789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 2423789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 2424789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 2425465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2426465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 2427789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 2428789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 2429789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2430465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 2431e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 2432465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 2433e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2434e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 2435e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2436075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo BagnaraQualType 24374ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getParenType(QualType InnerType) const { 2438075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara llvm::FoldingSetNodeID ID; 2439075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType::Profile(ID, InnerType); 2440075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2441075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void *InsertPos = 0; 2442075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *T = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2443075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (T) 2444075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2445075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2446075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Canon = InnerType; 2447075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (!Canon.isCanonical()) { 2448075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Canon = getCanonicalType(InnerType); 2449075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *CheckT = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2450075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara assert(!CheckT && "Paren canonical type broken"); 2451075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara (void)CheckT; 2452075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 2453075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2454075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara T = new (*this) ParenType(InnerType, Canon); 2455075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Types.push_back(T); 2456075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenTypes.InsertNode(T, InsertPos); 2457075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2458075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara} 2459075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 24604a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 24614a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 24624a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 24634ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Canon) const { 2464d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 2465d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2466d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 2467d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 24684a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 24694a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 24704a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 24714a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 24724a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 24734a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 2474d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2475d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2476d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 24774a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 2478d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2479d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 24804714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 24814714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 2482d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 2483d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 2484d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 24854a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 2486d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 24874714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 24881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 2489d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2490d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 24911eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 249233500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 249333500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 24944a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 249533500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 24964ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgumentListInfo &Args) const { 249733500955d731c73717af52088b7fc0e7a85681e7John McCall // TODO: avoid this copy 24985f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 16> ArgCopy; 249933500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0, E = Args.size(); I != E; ++I) 250033500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.push_back(Args[I].getArgument()); 250133500955d731c73717af52088b7fc0e7a85681e7John McCall return getDependentTemplateSpecializationType(Keyword, NNS, Name, 250233500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.size(), 250333500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.data()); 250433500955d731c73717af52088b7fc0e7a85681e7John McCall} 250533500955d731c73717af52088b7fc0e7a85681e7John McCall 250633500955d731c73717af52088b7fc0e7a85681e7John McCallQualType 250733500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 250833500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 250933500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 251033500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 251133500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 25124ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgument *Args) const { 2513aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor assert((!NNS || NNS->isDependent()) && 2514aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor "nested-name-specifier must be dependent"); 25151734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2516789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 251733500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType::Profile(ID, *this, Keyword, NNS, 251833500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args); 2519789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2520789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 252133500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType *T 252233500955d731c73717af52088b7fc0e7a85681e7John McCall = DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 2523789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 2524789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 2525789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 252633500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 252733500955d731c73717af52088b7fc0e7a85681e7John McCall 252833500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword CanonKeyword = Keyword; 252933500955d731c73717af52088b7fc0e7a85681e7John McCall if (Keyword == ETK_None) CanonKeyword = ETK_Typename; 25301734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 253133500955d731c73717af52088b7fc0e7a85681e7John McCall bool AnyNonCanonArgs = false; 25325f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 16> CanonArgs(NumArgs); 253333500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0; I != NumArgs; ++I) { 253433500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs[I] = getCanonicalTemplateArgument(Args[I]); 253533500955d731c73717af52088b7fc0e7a85681e7John McCall if (!CanonArgs[I].structurallyEquals(Args[I])) 253633500955d731c73717af52088b7fc0e7a85681e7John McCall AnyNonCanonArgs = true; 2537789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 25381734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 253933500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon; 254033500955d731c73717af52088b7fc0e7a85681e7John McCall if (AnyNonCanonArgs || CanonNNS != NNS || CanonKeyword != Keyword) { 254133500955d731c73717af52088b7fc0e7a85681e7John McCall Canon = getDependentTemplateSpecializationType(CanonKeyword, CanonNNS, 254233500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, 254333500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs.data()); 254433500955d731c73717af52088b7fc0e7a85681e7John McCall 254533500955d731c73717af52088b7fc0e7a85681e7John McCall // Find the insert position again. 254633500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 254733500955d731c73717af52088b7fc0e7a85681e7John McCall } 254833500955d731c73717af52088b7fc0e7a85681e7John McCall 254933500955d731c73717af52088b7fc0e7a85681e7John McCall void *Mem = Allocate((sizeof(DependentTemplateSpecializationType) + 255033500955d731c73717af52088b7fc0e7a85681e7John McCall sizeof(TemplateArgument) * NumArgs), 255133500955d731c73717af52088b7fc0e7a85681e7John McCall TypeAlignment); 2552ef99001908e799c388f1363b1e607dad5f5b57d3John McCall T = new (Mem) DependentTemplateSpecializationType(Keyword, NNS, 255333500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args, Canon); 25541734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 255533500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.InsertNode(T, InsertPos); 25561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 25571734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 25581734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2559cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas GregorQualType ASTContext::getPackExpansionType(QualType Pattern, 2560cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) { 25617536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor llvm::FoldingSetNodeID ID; 2562cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor PackExpansionType::Profile(ID, Pattern, NumExpansions); 25637536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 25647536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor assert(Pattern->containsUnexpandedParameterPack() && 25657536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor "Pack expansions must expand one or more parameter packs"); 25667536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void *InsertPos = 0; 25677536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionType *T 25687536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor = PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 25697536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (T) 25707536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 25717536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 25727536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Canon; 25737536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (!Pattern.isCanonical()) { 2574cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Canon = getPackExpansionType(getCanonicalType(Pattern), NumExpansions); 25757536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 25767536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor // Find the insert position again. 25777536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 25787536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 25797536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 2580cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor T = new (*this) PackExpansionType(Pattern, Canon, NumExpansions); 25817536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor Types.push_back(T); 25827536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.InsertNode(T, InsertPos); 25837536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 25847536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor} 25857536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 258688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 258788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 258888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 258988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 25902e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 259188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 259288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2593c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 259454e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 259554e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 259654e14c4db764c0636160d26c5bbf491637c83a76John McCall 259754e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 259854e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 259954e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 260054e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 260154e14c4db764c0636160d26c5bbf491637c83a76John McCall} 260254e14c4db764c0636160d26c5bbf491637c83a76John McCall 260354e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 260488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 260588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 26061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 260788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 260888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 260988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 261088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 261188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 261288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 261388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 261488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2615c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2616c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 26174ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumProtocols) const { 2618c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2619c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2620c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2621c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2622d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2623c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2624c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2625c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2626d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2627c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2628c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2629d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2630c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2631c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 263254e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2633c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2634c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2635c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 26365f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 26370237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 263854e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 263954e14c4db764c0636160d26c5bbf491637c83a76John McCall 264054e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2641c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2642c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 264354e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2644c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2645c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 264654e14c4db764c0636160d26c5bbf491637c83a76John McCall } 264754e14c4db764c0636160d26c5bbf491637c83a76John McCall 264854e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2649c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 265054e14c4db764c0636160d26c5bbf491637c83a76John McCall } 265154e14c4db764c0636160d26c5bbf491637c83a76John McCall 2652c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2653c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2654fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2655c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2656c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 26571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2658c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2659c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2660c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2661d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 266288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2663c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2664c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 26654ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) const { 26664b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2667c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 26681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26694b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2670c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2671c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 26724b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 26731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2674c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 267554e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2676c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2677c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 267854e14c4db764c0636160d26c5bbf491637c83a76John McCall 2679c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2680c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 268154e14c4db764c0636160d26c5bbf491637c83a76John McCall } 268254e14c4db764c0636160d26c5bbf491637c83a76John McCall 2683c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2684c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2685c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2686c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 268724fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 268824fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2689c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 269024fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 269124fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 269224fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2693deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// getObjCInterfaceType - Return the unique reference to the type for the 2694deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// specified ObjC interface decl. The list of protocols is optional. 26954ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) const { 2696deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor if (Decl->TypeForDecl) 2697deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(Decl->TypeForDecl, 0); 269874c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl 2699deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor // FIXME: redeclarations? 2700deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2701deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2702deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Decl->TypeForDecl = T; 2703deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Types.push_back(T); 2704deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(T, 0); 2705c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2706c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 270772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 270872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 27099752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 27101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 27119752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 27124ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfExprType(Expr *tofExpr) const { 2713dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2714b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2715b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2716b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 27171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2718b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2719b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2720b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2721b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2722b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2723b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 27246b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2725b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 2726b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2727b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor else { 2728b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 27296b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 27306b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2731b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2732b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2733b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2734b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2735dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 27366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2737dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 27389752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 27399752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2740d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2741d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 27429752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 27439752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 27449752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 27451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 27469752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 27474ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfType(QualType tofType) const { 2748f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 27496b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 27509752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 27519752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2752d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2753d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 275460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 275560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 27564ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType getDecltypeForExpr(const Expr *e, const ASTContext &Context) { 2757a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2758a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 27591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 276060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 276160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 276260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 276360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 276460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 276560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 276660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 276760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 276860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 276960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 277060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 277160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 277260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 277360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 277460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 27751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 277660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 27771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 277960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 27807eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall if (e->isLValue()) 278160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 27821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 278360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 278460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 278560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2786395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2787395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2788395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 27891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2790395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 27914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getDecltypeType(Expr *e) const { 2792dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 2793561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor 2794561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // C++0x [temp.type]p2: 2795561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // If an expression e involves a template parameter, decltype(e) denotes a 2796561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // unique dependent type. Two such decltype-specifiers refer to the same 2797561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // type only if their expressions are equivalent (14.5.6.1). 2798561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (e->isInstantiationDependent()) { 27999d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 28009d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 28011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28029d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 28039d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 28049d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 28059d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 28069d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 28079d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 28086b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 28099d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 28109d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 28119d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor else { 28129d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 28136b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 28149d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 28159d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 28169d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 28179d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2818dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 28196b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2820dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2821395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2822395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2823395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2824395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 2825ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// getUnaryTransformationType - We don't unique these, since the memory 2826ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// savings are minimal and these are rare. 2827ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean HuntQualType ASTContext::getUnaryTransformType(QualType BaseType, 2828ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType UnderlyingType, 2829ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType::UTTKind Kind) 2830ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt const { 2831ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType *Ty = 283269d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor new (*this, TypeAlignment) UnaryTransformType (BaseType, UnderlyingType, 283369d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor Kind, 283469d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor UnderlyingType->isDependentType() ? 283569d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor QualType() : UnderlyingType); 2836ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt Types.push_back(Ty); 2837ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return QualType(Ty, 0); 2838ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt} 2839ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 2840483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith/// getAutoType - We only unique auto types after they've been deduced. 284134b41d939a1328f484511c6002ba2456db879a29Richard SmithQualType ASTContext::getAutoType(QualType DeducedType) const { 2842483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith void *InsertPos = 0; 2843483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (!DeducedType.isNull()) { 2844483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith // Look in the folding set for an existing type. 2845483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith llvm::FoldingSetNodeID ID; 2846483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType::Profile(ID, DeducedType); 2847483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (AutoType *AT = AutoTypes.FindNodeOrInsertPos(ID, InsertPos)) 2848483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 2849483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith } 2850483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith 2851483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType *AT = new (*this, TypeAlignment) AutoType(DeducedType); 2852483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith Types.push_back(AT); 2853483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (InsertPos) 2854483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoTypes.InsertNode(AT, InsertPos); 2855483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 285634b41d939a1328f484511c6002ba2456db879a29Richard Smith} 285734b41d939a1328f484511c6002ba2456db879a29Richard Smith 2858ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith/// getAutoDeductType - Get type pattern for deducing against 'auto'. 2859ad762fcdc16b9e4705b12b09d92b8c026212b906Richard SmithQualType ASTContext::getAutoDeductType() const { 2860ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith if (AutoDeductTy.isNull()) 2861ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith AutoDeductTy = getAutoType(QualType()); 2862ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert(!AutoDeductTy.isNull() && "can't build 'auto' pattern"); 2863ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith return AutoDeductTy; 2864ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith} 2865ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 2866ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith/// getAutoRRefDeductType - Get type pattern for deducing against 'auto &&'. 2867ad762fcdc16b9e4705b12b09d92b8c026212b906Richard SmithQualType ASTContext::getAutoRRefDeductType() const { 2868ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith if (AutoRRefDeductTy.isNull()) 2869ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith AutoRRefDeductTy = getRValueReferenceType(getAutoDeductType()); 2870ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert(!AutoRRefDeductTy.isNull() && "can't build 'auto &&' pattern"); 2871ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith return AutoRRefDeductTy; 2872ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith} 2873ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 28745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 28755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 28764ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTagDeclType(const TagDecl *Decl) const { 2877d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2878e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2879e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2880e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 28815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 28825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 28831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 28841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 28851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 2886a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 2887b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 28885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 28895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 289064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 289164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 289264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 289364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 289464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 289564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 289664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 289764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 289864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 289964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 290064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 290164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 290264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 290364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 29048b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 29058b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 29068b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 2907b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 29088b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 29098b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 2910e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2911e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 2912e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2913e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 29144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCanQualType ASTContext::getCanonicalParamType(QualType T) const { 291554e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 291654e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 291754e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 2918745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = getVariableArrayDecayedType(T); 291954e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 292054e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 292154e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 292254e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 292354e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 292454e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 292554e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 292654e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 292754e14c4db764c0636160d26c5bbf491637c83a76John McCall } 292854e14c4db764c0636160d26c5bbf491637c83a76John McCall 292954e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 293054e14c4db764c0636160d26c5bbf491637c83a76John McCall} 293154e14c4db764c0636160d26c5bbf491637c83a76John McCall 293262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallQualType ASTContext::getUnqualifiedArrayType(QualType type, 293362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers &quals) { 293462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall SplitQualType splitType = type.getSplitUnqualifiedType(); 293562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 293662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // FIXME: getSplitUnqualifiedType() actually walks all the way to 293762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // the unqualified desugared type and then drops it on the floor. 293862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // We then have to strip that sugar back off with 293962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // getUnqualifiedDesugaredType(), which is silly. 294062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall const ArrayType *AT = 294162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall dyn_cast<ArrayType>(splitType.first->getUnqualifiedDesugaredType()); 294262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 294362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If we don't have an array, just use the results in splitType. 29449dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 294562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals = splitType.second; 294662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(splitType.first, 0); 294728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 294828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 294962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, recurse on the array's element type. 295062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType elementType = AT->getElementType(); 295162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType unqualElementType = getUnqualifiedArrayType(elementType, quals); 295262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 295362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If that didn't change the element type, AT has no qualifiers, so we 295462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // can just use the results in splitType. 295562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (elementType == unqualElementType) { 295662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(quals.empty()); // from the recursive call 295762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals = splitType.second; 295862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(splitType.first, 0); 295962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 296062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 296162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, add in the qualifiers from the outermost type, then 296262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // build the type back up. 296362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals.addConsistentQualifiers(splitType.second); 296428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 29659dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 296662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getConstantArrayType(unqualElementType, CAT->getSize(), 296728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 296828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 296928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 29709dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 297162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getIncompleteArrayType(unqualElementType, IAT->getSizeModifier(), 0); 297228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 297328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 29749dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 297562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getVariableArrayType(unqualElementType, 29763fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 29779dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 29789dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 29799dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 29809dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 29819dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 29829dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 298362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getDependentSizedArrayType(unqualElementType, DSAT->getSizeExpr(), 298428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 298528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 298628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 298728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 29885a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// UnwrapSimilarPointerTypes - If T1 and T2 are pointer types that 29895a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// may be similar (C++ 4.4), replaces T1 and T2 with the type that 29905a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// they point to and return true. If T1 and T2 aren't pointer types 29915a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// or pointer-to-member types, or if they are not similar at this 29925a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// level, returns false and leaves T1 and T2 unchanged. Top-level 29935a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// qualifiers on T1 and T2 are ignored. This function will typically 29945a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// be called in a loop that successively "unwraps" pointer and 29955a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// pointer-to-member types to compare them at each level. 29965a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregorbool ASTContext::UnwrapSimilarPointerTypes(QualType &T1, QualType &T2) { 29975a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const PointerType *T1PtrType = T1->getAs<PointerType>(), 29985a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2PtrType = T2->getAs<PointerType>(); 29995a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1PtrType && T2PtrType) { 30005a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1PtrType->getPointeeType(); 30015a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2PtrType->getPointeeType(); 30025a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 30035a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 30045a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30055a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const MemberPointerType *T1MPType = T1->getAs<MemberPointerType>(), 30065a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2MPType = T2->getAs<MemberPointerType>(); 30075a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1MPType && T2MPType && 30085a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor hasSameUnqualifiedType(QualType(T1MPType->getClass(), 0), 30095a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor QualType(T2MPType->getClass(), 0))) { 30105a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1MPType->getPointeeType(); 30115a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2MPType->getPointeeType(); 30125a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 30135a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 30145a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30155a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (getLangOptions().ObjC1) { 30165a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const ObjCObjectPointerType *T1OPType = T1->getAs<ObjCObjectPointerType>(), 30175a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2OPType = T2->getAs<ObjCObjectPointerType>(); 30185a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1OPType && T2OPType) { 30195a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1OPType->getPointeeType(); 30205a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2OPType->getPointeeType(); 30215a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 30225a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 30235a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 30245a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30255a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor // FIXME: Block pointers, too? 30265a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30275a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return false; 30285a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor} 30295a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30304ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadDeclarationNameInfo 30314ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getNameForTemplate(TemplateName Name, 30324ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation NameLoc) const { 3033146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall switch (Name.getKind()) { 3034146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::QualifiedTemplate: 3035146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::Template: 30362577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 3037146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(Name.getAsTemplateDecl()->getDeclName(), 3038146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 30392577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 3040146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::OverloadedTemplate: { 3041146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 3042146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall // DNInfo work in progress: CHECKME: what about DNLoc? 3043146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo((*Storage->begin())->getDeclName(), NameLoc); 3044146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3045146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3046146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::DependentTemplate: { 3047146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 30482577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName DName; 304980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 30502577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getIdentifier(DTN->getIdentifier()); 30512577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc); 305280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 30532577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getCXXOperatorName(DTN->getOperator()); 30542577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: FIXME: source locations? 30552577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc DNLoc; 30562577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.BeginOpNameLoc = SourceLocation().getRawEncoding(); 30572577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.EndOpNameLoc = SourceLocation().getRawEncoding(); 30582577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc, DNLoc); 305980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 306080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 306180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 3062146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParm: { 3063146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 3064146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParm(); 3065146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(subst->getParameter()->getDeclName(), 3066146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 3067146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3068146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3069146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParmPack: { 3070146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmPackStorage *subst 3071146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParmPack(); 3072146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(subst->getParameterPack()->getDeclName(), 3073146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 3074146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3075146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3076146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3077146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("bad template name kind!"); 307880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 307980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 30804ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) const { 3081146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall switch (Name.getKind()) { 3082146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::QualifiedTemplate: 3083146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::Template: { 3084146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateDecl *Template = Name.getAsTemplateDecl(); 30853e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTemplateParmDecl *TTP 3086146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = dyn_cast<TemplateTemplateParmDecl>(Template)) 30873e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Template = getCanonicalTemplateTemplateParmDecl(TTP); 30883e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 30893e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // The canonical template name is the canonical template declaration. 309097fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 30913e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 309225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 3093146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::OverloadedTemplate: 3094146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("cannot canonicalize overloaded template"); 3095146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3096146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::DependentTemplate: { 3097146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 3098146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall assert(DTN && "Non-dependent template names must refer to template decls."); 3099146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DTN->CanonicalTemplateName; 3100146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3101146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3102146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParm: { 3103146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 3104146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParm(); 3105146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return getCanonicalTemplateName(subst->getReplacement()); 31061aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 31071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3108146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParmPack: { 3109146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmPackStorage *subst 3110146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParmPack(); 3111146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateTemplateParmDecl *canonParameter 3112146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = getCanonicalTemplateTemplateParmDecl(subst->getParameterPack()); 3113146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateArgument canonArgPack 3114146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = getCanonicalTemplateArgument(subst->getArgumentPack()); 3115146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return getSubstTemplateTemplateParmPack(canonParameter, canonArgPack); 3116146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3117146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3118146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3119146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("bad template name!"); 312025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 312125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 3122db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 3123db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 3124db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 3125db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 3126db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 3127db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 31281eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 31294ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) const { 31301275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 31311275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 31321275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 31331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31341275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 31351275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 31361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31371275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 3138833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 31391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3140788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 3141788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 3142a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 3143a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor case TemplateArgument::TemplateExpansion: 3144a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor return TemplateArgument(getCanonicalTemplateName( 3145a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor Arg.getAsTemplateOrTemplatePattern()), 31462be29f423acad3bbe39099a78db2805acb5bdf17Douglas Gregor Arg.getNumTemplateExpansions()); 3147a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 31481275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 3149833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 31501275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 31511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31521275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 3153833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 31541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31551275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 315687dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor if (Arg.pack_size() == 0) 315787dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor return Arg; 315887dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor 3159910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgument *CanonArgs 3160910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor = new (*this) TemplateArgument[Arg.pack_size()]; 31611275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 31621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 31631275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 31641275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 31651275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 31661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3167910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor return TemplateArgument(CanonArgs, Arg.pack_size()); 31681275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 31691275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 31701275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 31711275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 31721275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 31731275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 31741275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 31751275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 3176d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 31774ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) const { 31781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 3179d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 3180d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3181d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 3182d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 3183d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 31841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 3185d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 3186d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 3187d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3188d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 3189d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 3190d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 319114aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 319214aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespace()->getOriginalNamespace()); 319314aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor 319414aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor case NestedNameSpecifier::NamespaceAlias: 319514aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 319614aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // this namespace and no prefix. 319714aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 319814aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespaceAlias()->getNamespace() 319914aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor ->getOriginalNamespace()); 3200d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3201d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 3202d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 3203d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 3204264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 3205264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // If we have some kind of dependent-named type (e.g., "typename T::type"), 3206264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // break it apart into its prefix and identifier, then reconsititute those 3207264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // as the canonical nested-name-specifier. This is required to canonicalize 3208264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // a dependent nested-name-specifier involving typedefs of dependent-name 3209264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // types, e.g., 3210264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T::type T1; 3211264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T1::type T2; 3212264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentNameType *DNT = T->getAs<DependentNameType>()) { 3213264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 3214264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DNT->getQualifier()); 3215264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor return NestedNameSpecifier::Create(*this, Prefix, 3216264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor const_cast<IdentifierInfo *>(DNT->getIdentifier())); 3217264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 3218264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 3219643f84353b3b7bbf9b73bcbc7da0ef8a39a5ca99Douglas Gregor // Do the same thing as above, but with dependent-named specializations. 3220264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentTemplateSpecializationType *DTST 3221264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = T->getAs<DependentTemplateSpecializationType>()) { 3222264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 3223264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DTST->getQualifier()); 3224aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor 3225aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor T = getDependentTemplateSpecializationType(DTST->getKeyword(), 3226aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor Prefix, DTST->getIdentifier(), 3227aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor DTST->getNumArgs(), 3228aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor DTST->getArgs()); 3229264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor T = getCanonicalType(T); 3230264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 3231264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 32323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return NestedNameSpecifier::Create(*this, 0, false, 32333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const_cast<Type*>(T.getTypePtr())); 3234d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3235d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3236d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 3237d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 3238d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 3239d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3240d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3241d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 3242d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 3243d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 3244d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3245c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 32464ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadconst ArrayType *ASTContext::getAsArrayType(QualType T) const { 3247c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 3248a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 3249c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 3250c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 3251c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 3252c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 32531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 32553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isa<ArrayType>(T.getCanonicalType())) 3256c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 32571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 3259c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 3260c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 32611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3262c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 3263c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 326450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 32650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 32663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = T.getSplitDesugaredType(); 32673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs = split.second; 32681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3269c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 32703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *ATy = dyn_cast<ArrayType>(split.first); 32713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ATy == 0 || qs.empty()) 3272c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 32731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3274c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 3275c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 32763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), qs); 32771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3278c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 3279c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 3280c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 32810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 3282c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 3283c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 3284c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 32850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 3286898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 32871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 3288898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 3289898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 32901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 32913fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall DSAT->getSizeExpr(), 3292898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 32930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 32947e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 32951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3296c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 32977e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 32983fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 3299c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 33000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 33017e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 330277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 330377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 330479e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas GregorQualType ASTContext::getAdjustedParameterType(QualType T) { 330579e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // C99 6.7.5.3p7: 330679e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // A declaration of a parameter as "array of type" shall be 330779e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // adjusted to "qualified pointer to type", where the type 330879e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // qualifiers (if any) are those specified within the [ and ] of 330979e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // the array type derivation. 331079e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor if (T->isArrayType()) 331179e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return getArrayDecayedType(T); 331279e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 331379e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // C99 6.7.5.3p8: 331479e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // A declaration of a parameter as "function returning type" 331579e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // shall be adjusted to "pointer to function returning type", as 331679e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // in 6.3.2.1. 331779e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor if (T->isFunctionType()) 331879e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return getPointerType(T); 331979e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 332079e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return T; 332179e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor} 332279e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 332379e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas GregorQualType ASTContext::getSignatureParameterType(QualType T) { 332479e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor T = getVariableArrayDecayedType(T); 332579e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor T = getAdjustedParameterType(T); 332679e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return T.getUnqualifiedType(); 332779e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor} 332879e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 3329e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 3330e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 3331e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 3332e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 3333e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 3334e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 33354ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getArrayDecayedType(QualType Ty) const { 3336c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 3337c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 3338c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 3339c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 3340c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 3341c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 33421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3343c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 3344e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 3345e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 33460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 3347e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 3348e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 33493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(const ArrayType *array) const { 33503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getBaseElementType(array->getElementType()); 33515e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 33525e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 33533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(QualType type) const { 33543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs; 33553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall while (true) { 33563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = type.getSplitDesugaredType(); 33573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *array = split.first->getAsArrayTypeUnsafe(); 33583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!array) break; 33591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall type = array->getElementType(); 33613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall qs.addConsistentQualifiers(split.second); 33623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 33631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiedType(type, qs); 33656183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 33666183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 33670de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 33681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 33690de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 33700de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 33710de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 33720de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 33730de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 33740de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 33750de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 33760de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 33770de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 33785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 33795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 3380a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 3381183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 33825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 3383a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 3384183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 3385183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 3386a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 33875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 33885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 33895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 33905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 33915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 33925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 33931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 33941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 3395716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 3396716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 33971361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 33981361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 33991361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 34001361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 34011361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 3402716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 3403f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 3404f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 3405f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 3406f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 3407f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 34081361b11066239ea15764a2a844405352d87296b3Chris Lattner 34091361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 34101361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 34111361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 34121361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 34131361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 34141361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 34155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 34165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 34175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 34187cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 34197cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 34207cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 34211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 34224ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) const { 3423a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 3424a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 34251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3426a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 3427fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 3428a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 3429fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 3430fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 34315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 34325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3433f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 3434f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 3435f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 3436f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCallunsigned ASTContext::getIntegerRank(const Type *T) const { 3437467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 3438f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const EnumType* ET = dyn_cast<EnumType>(T)) 3439842aef8d942a880eeb9535d40de31a86838264cbJohn McCall T = ET->getDecl()->getPromotionType().getTypePtr(); 3440f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 34413f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (T->isSpecificBuiltinType(BuiltinType::WChar_S) || 34423f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner T->isSpecificBuiltinType(BuiltinType::WChar_U)) 3443a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 3444a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 3445f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 3446f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 3447f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3448f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 3449f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 3450f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3451f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 34527cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 34537cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 3454f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 34557cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 34567cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 34577cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 34587cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 3459f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 34607cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 34617cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 3462f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 34637cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 34647cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 3465f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 34667cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 34677cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 3468f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 34697cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 34707cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 3471f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 34722df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 34732df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 34742df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 3475f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 3476f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 3477f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 347804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 347904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 348004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 348104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 348204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 34834ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::isPromotableBitField(Expr *E) const { 3484ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor if (E->isTypeDependent() || E->isValueDependent()) 3485ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor return QualType(); 3486ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor 348704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 348804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 348904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 349004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 349104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 349204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 349304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 349404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 349504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 349604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 349704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 349804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 349904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 350004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 350104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 350204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 350304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 350404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 350504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 350604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 350704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 350804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 350904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 351004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 351104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 3512a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 3513a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 3514a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 35154ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPromotedIntegerType(QualType Promotable) const { 3516a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 3517a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 3518842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 3519842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 3520a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 3521a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 3522a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 3523a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 3524a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 3525a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 3526a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 3527a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 352831862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis/// \brief Recurses in pointer/array types until it finds an objc retainable 352931862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis/// type and returns its ownership. 353031862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios KyrtzidisQualifiers::ObjCLifetime ASTContext::getInnerObjCOwnership(QualType T) const { 353131862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis while (!T.isNull()) { 353231862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis if (T.getObjCLifetime() != Qualifiers::OCL_None) 353331862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis return T.getObjCLifetime(); 353431862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis if (T->isArrayType()) 353531862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis T = getBaseElementType(T); 353631862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else if (const PointerType *PT = T->getAs<PointerType>()) 353731862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis T = PT->getPointeeType(); 353831862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 353928445f0b62f6aed851ff87ce64d9b19200d3211fArgyrios Kyrtzidis T = RT->getPointeeType(); 354031862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else 354131862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis break; 354231862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis } 354331862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis 354431862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis return Qualifiers::OCL_None; 354531862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis} 354631862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis 35471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 35487cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 35491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 35504ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) const { 3551f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *LHSC = getCanonicalType(LHS).getTypePtr(); 3552f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *RHSC = getCanonicalType(RHS).getTypePtr(); 35537cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 35541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3555f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 3556f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 35571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35587cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 35597cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 35601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35617cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 35627cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 35637cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 35647cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 35651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35667cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 35677cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 35687cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 35697cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 35707cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 35711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35727cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 35737cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 35741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 35757cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 35767cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 35777cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 35787cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 35797cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 35807cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 35811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35827cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 35837cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 35841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 35857cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 35865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 358771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 358879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 3589ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo BagnaraCreateRecordDecl(const ASTContext &Ctx, RecordDecl::TagKind TK, 3590ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara DeclContext *DC, IdentifierInfo *Id) { 3591ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation Loc; 359279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 3593ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return CXXRecordDecl::Create(Ctx, TK, DC, Loc, Loc, Id); 359479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 3595ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return RecordDecl::Create(Ctx, TK, DC, Loc, Loc, Id); 359679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 3597ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara 35981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 35994ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getCFConstantStringType() const { 360071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 36011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 3602ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, 360379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 36045cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 360579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 3606f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 36071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 360871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 36090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 3610f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 3611f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 361271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 36130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 361471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 36151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 36161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 361744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 361844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 36191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 3620ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 362144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 3622a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 36231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 36247a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 36257a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 36262888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 362717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 362844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 362944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 3630838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 363171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 36321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 363371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 36348467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 3635b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3636319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 36376217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3638319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 3639319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 3640319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3641319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 36422bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian// getNSConstantStringType - Return the type used for constant NSStrings. 36434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getNSConstantStringType() const { 36442bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian if (!NSConstantStringTypeDecl) { 36452bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = 3646ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, 36472bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian &Idents.get("__builtin_NSString")); 36482bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->startDefinition(); 36492bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 36502bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType FieldTypes[3]; 36512bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 36522bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const int *isa; 36532bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[0] = getPointerType(IntTy.withConst()); 36542bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const char *str; 36552bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[1] = getPointerType(CharTy.withConst()); 36562bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // unsigned int length; 36572bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[2] = UnsignedIntTy; 36582bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 36592bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // Create fields 36602bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian for (unsigned i = 0; i < 3; ++i) { 36612bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldDecl *Field = FieldDecl::Create(*this, NSConstantStringTypeDecl, 3662ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 36632bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian SourceLocation(), 0, 36642bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[i], /*TInfo=*/0, 36652bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*BitWidth=*/0, 36667a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 36677a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 36682888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 36692bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->addDecl(Field); 36702bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 36712bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 36722bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->completeDefinition(); 36732bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 36742bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 36752bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return getTagDeclType(NSConstantStringTypeDecl); 36762bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 36772bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 36782bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanianvoid ASTContext::setNSConstantStringType(QualType T) { 36792bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian const RecordType *Rec = T->getAs<RecordType>(); 36802bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian assert(Rec && "Invalid NSConstantStringType"); 36812bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = Rec->getDecl(); 36822bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 36832bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 36844ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCFastEnumerationStateType() const { 3685bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 368644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 3687ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, 368879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__objcFastEnumerationState")); 36895cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall ObjCFastEnumerationStateTypeDecl->startDefinition(); 36901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3691bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 3692bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 3693de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff getPointerType(ObjCIdTypedefType), 3694bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 3695bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 3696bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 3697bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 36981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 369944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 37001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, 37011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCFastEnumerationStateTypeDecl, 3702ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 37031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 3704a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 37051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 37067a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 37077a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 37082888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 370917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ObjCFastEnumerationStateTypeDecl->addDecl(Field); 371044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 37111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3712838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(); 3713bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 37141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3715bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 3716bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 3717bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 37184ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorType() const { 3719adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 3720adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3721adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3722adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3723adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 3724ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, 372579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 37265cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3727adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3728adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3729adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3730adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3731adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3732adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3733adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3734adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 3735083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 3736adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3737adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3738adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 3739ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3740adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 3741adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3742a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3743adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 37447a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 37457a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 37462888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3747adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3748adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3749adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3750838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3751adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3752adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 3753adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3754adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3755adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3756adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3757adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stumpvoid ASTContext::setBlockDescriptorType(QualType T) { 3758adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3759adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3760adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = Rec->getDecl(); 3761adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3762adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 37634ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorExtendedType() const { 3764083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 3765083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3766083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3767083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 3768083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 3769ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, 377079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 37715cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3772083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3773083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 3774083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3775083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3776083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 3777083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 3778083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3779083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3780083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 3781083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 3782083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 3783083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 3784083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 3785083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3786083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3787083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 3788ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3789083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 3790083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 3791a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3792083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 37937a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 37947a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 37952888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3796083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 3797083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 3798083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3799838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3800083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3801083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 3802083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3803083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3804083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3805083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3806083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stumpvoid ASTContext::setBlockDescriptorExtendedType(QualType T) { 3807083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3808083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3809083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = Rec->getDecl(); 3810083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3811083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 38124ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::BlockRequiresCopying(QualType Ty) const { 3813f85e193739c953358c865005855253af4f68a497John McCall if (Ty->isObjCRetainableType()) 3814af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3815e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (getLangOptions().CPlusPlus) { 3816e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (const RecordType *RT = Ty->getAs<RecordType>()) { 3817e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl()); 3818ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt return RD->hasConstCopyConstructor(); 3819e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian 3820e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3821e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3822af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3823af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3824af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 38254ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 38265f9e272e632e951b1efe824cd16acb4d96077930Chris LattnerASTContext::BuildByRefType(StringRef DeclName, QualType Ty) const { 3827af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3828ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3829af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3830ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3831ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 3832a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__copy_helper; // as needed 3833a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__destroy_help // as needed 3834af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3835ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3836ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3837af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3838af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3839af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 3840f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3841f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3842f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3843af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3844ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, &Idents.get(Name.str())); 3845af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3846af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3847af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3848af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3849af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3850af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3851af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3852af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3853af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3854af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3855af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3856af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3857af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 38585f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef FieldNames[] = { 3859af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3860af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3861af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3862af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3863af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3864af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3865af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3866af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3867af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3868af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3869af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3870af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3871af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3872ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 3873af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3874a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 38757a614d8380297fcd2bc23986241905d97222948cRichard Smith /*BitWidth=*/0, /*Mutable=*/false, 38767a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 38772888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3878af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3879af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3880af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3881838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3882af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3883af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3884ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3885ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3886319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setObjCFastEnumerationStateType(QualType T) { 38876217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3888319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid ObjCFAstEnumerationStateType"); 3889319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCFastEnumerationStateTypeDecl = Rec->getDecl(); 3890319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3891319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 3892e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3893e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 38942d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3895e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3896bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3897bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 38981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 389985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 390085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 390185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3902a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 390333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 39044ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) const { 3905f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (!type->isIncompleteArrayType() && type->isIncompleteType()) 3906f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return CharUnits::Zero(); 3907f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 3908199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 39091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 391033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 39112ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor if (sz.isPositive() && type->isIntegralOrEnumerationType()) 3912199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 391333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 391433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3915199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3916aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3917199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3918199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3919199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3920199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3921199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 392233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 392333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 39246b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall/// getObjCEncodingForBlock - Return the encoded type for this block 39255e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 39266b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCallstd::string ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr) const { 39276b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall std::string S; 39286b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 39295e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 39305e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 39315e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 39325e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 3933c71a4915ca216847599d03cab4ed1c5086b0eb43John McCall getObjCEncodingForType(BlockTy->getAs<FunctionType>()->getResultType(), S); 39345e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 39355e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 39365e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 39375e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3938199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3939199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 39406f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 39415e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 39425e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3943aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3944199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 39455e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 39465e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 39475e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3948199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 39495e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 39505e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 39515e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 39525e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 39535e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 39545e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 39555e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 39565e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 39575e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 39585e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 39595e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 39605e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 39615389f48b24937ad7b4093307128b3cbf25235654David Chisnall // elements. 39625389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (!isa<ConstantArrayType>(AT)) 39635389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 39645389f48b24937ad7b4093307128b3cbf25235654David Chisnall } else if (PType->isFunctionType()) 39655389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 39665389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(PType, S); 39675389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 39685389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += getObjCEncodingTypeSize(PType); 39695389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 39706b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 39716b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall return S; 39725389f48b24937ad7b4093307128b3cbf25235654David Chisnall} 39735389f48b24937ad7b4093307128b3cbf25235654David Chisnall 3974f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregorbool ASTContext::getObjCEncodingForFunctionDecl(const FunctionDecl *Decl, 39755389f48b24937ad7b4093307128b3cbf25235654David Chisnall std::string& S) { 39765389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Encode result type. 39775389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(Decl->getResultType(), S); 39785389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits ParmOffset; 39795389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Compute size of all parameters. 39805389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 39815389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 39825389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = (*PI)->getType(); 39835389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits sz = getObjCEncodingTypeSize(PType); 3984f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (sz.isZero()) 3985f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return true; 3986f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 39875389f48b24937ad7b4093307128b3cbf25235654David Chisnall assert (sz.isPositive() && 3988f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor "getObjCEncodingForFunctionDecl - Incomplete param type"); 39895389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += sz; 39905389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 39915389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 39925389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset = CharUnits::Zero(); 39935389f48b24937ad7b4093307128b3cbf25235654David Chisnall 39945389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Argument types. 39955389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 39965389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 39975389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmVarDecl *PVDecl = *PI; 39985389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = PVDecl->getOriginalType(); 39995389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (const ArrayType *AT = 40005389f48b24937ad7b4093307128b3cbf25235654David Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 40015389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Use array's original type only if it has known number of 40025e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 40035e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 40045e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 40055e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 40065e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 40075e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 4008199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 4009aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 40105e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 4011f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 4012f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return false; 40135e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 40145e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 4015a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 401633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 4017f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregorbool ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 40184ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 4019c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 4020ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 4021a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 402233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 40230d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 402433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 402533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 402633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 402733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 4028199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 402933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 403033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 4031199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 403289951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 40337732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 403489951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 4035aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 4036f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (sz.isZero()) 4037f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return true; 4038f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 4039199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 4040199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 404133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 404233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 4043199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 404433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 4045199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 40461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 404733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 404833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 404989951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 40507732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 405189951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 40521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 40534306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 4054ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 4055ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 4056ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 4057bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 4058ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 4059ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 4060ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 4061ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 406233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 40634306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 40640d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 4065199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 4066aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 406733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 4068f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 4069f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return false; 407033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 407133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 4072c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 407383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 4074c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 4075c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 40761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 40771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 40781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 40791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 40801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 408183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 408283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 408383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 408483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 408583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 408683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 408783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 408883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 408983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 409083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 409183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 409283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 409383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 409483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 409583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 409683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 40971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 4098c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 40994ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 4100c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 4101c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 4102c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 4103c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4104c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 4105c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 41061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 4107c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 4108c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 410917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 4110653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 4111c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 4112c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 4113c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 4114c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 4115c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4116c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 4117c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4118c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4119c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4120c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 412161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 4122c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 412317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 4124653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 4125c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 4126c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 4127c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 4128c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 4129c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4130c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 4131c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4132c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 41331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4134c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4135c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4136c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4137c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 4138c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 4139c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4140c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 4141090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 4142090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 41431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 4144090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 4145090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 4146c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4147c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 4148c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 4149c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4150c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 4151c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 4152c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 41531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 4154c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4155c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4156c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4157c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 4158c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 4159c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 4160c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 4161c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4162090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 4163090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 41641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4165c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 4166c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 4167077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 4168c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4169c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4170c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 4171c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 4172077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 4173c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4174c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4175c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 4176c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 4177c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 417839f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 4179c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4180c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4181c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 4182c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 4183c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4184a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 41851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 41861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 4187a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 4188a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 4189a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 41908e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 4191183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 41924ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::ULong && getIntWidth(PointeeTy) == 32) 4193a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 41941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 41954ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::Long && getIntWidth(PointeeTy) == 32) 4196a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 4197a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4198a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4199a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 4200a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 42017d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 42024ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FieldDecl *Field) const { 420382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 420482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 420582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 420682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 42071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 42085b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 420982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 421082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 421164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnallstatic char ObjCEncodingForPrimitiveKind(const ASTContext *C, QualType T) { 421264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall switch (T->getAs<BuiltinType>()->getKind()) { 421364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall default: assert(0 && "Unhandled builtin type kind"); 421464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Void: return 'v'; 421564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Bool: return 'B'; 421664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_U: 421764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UChar: return 'C'; 421864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UShort: return 'S'; 421964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt: return 'I'; 422064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULong: 42214ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'L' : 'Q'; 422264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt128: return 'T'; 422364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULongLong: return 'Q'; 422464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_S: 422564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::SChar: return 'c'; 422664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Short: return 's'; 42273f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 42283f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 422964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int: return 'i'; 423064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Long: 42314ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'l' : 'q'; 423264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongLong: return 'q'; 423364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int128: return 't'; 423464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Float: return 'f'; 423564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Double: return 'd'; 42363a0be84b2aed8563150cdbd976a98838afa261ebDaniel Dunbar case BuiltinType::LongDouble: return 'D'; 423764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 423864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall} 423964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall 42404ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic void EncodeBitField(const ASTContext *Ctx, std::string& S, 424164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall QualType T, const FieldDecl *FD) { 42428b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 42438b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 42448b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 424564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The NeXT runtime encodes bit fields as b followed by the number of bits. 424664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The GNU runtime requires more information; bitfields are encoded as b, 424764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // then the offset (in bits) of the first element, then the type of the 424864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // bitfield, then the size in bits. For example, in this structure: 424964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // 425064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // struct 425164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // { 425264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int integer; 425364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int flags:2; 425464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // }; 425564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // On a 32-bit system, the encoding for flags would be b2 for the NeXT 425664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // runtime, but b32i2 for the GNU runtime. The reason for this extra 425764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // information is not especially sensible, but we're stuck with it for 425864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // compatibility with GCC, although providing it breaks anything that 425964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // actually uses runtime introspection and wants to work on both runtimes... 426064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (!Ctx->getLangOptions().NeXTRuntime) { 426164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const RecordDecl *RD = FD->getParent(); 426264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const ASTRecordLayout &RL = Ctx->getASTRecordLayout(RD); 426382905749d5c8d8b4edec11de754a73349cb96603Eli Friedman S += llvm::utostr(RL.getFieldOffset(FD->getFieldIndex())); 4264c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall if (T->isEnumeralType()) 4265c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall S += 'i'; 4266c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall else 42674ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad S += ObjCEncodingForPrimitiveKind(Ctx, T); 426864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 426964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 42708b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 42718b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 42728b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 427301eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 427482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 427582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 427682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 4277153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 4278090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 42792636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool EncodingProperty, 42802636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool StructField) const { 428164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (T->getAs<BuiltinType>()) { 4282ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 428364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return EncodeBitField(this, S, T, FD); 428464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(this, T); 4285ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4286ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4288183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 4289c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 42901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 4291c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 4292ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4293ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 429460bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 4295aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 4296aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 42976217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 42988d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 42998d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 43008d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 43018d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 4302aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 4303aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 4304aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 4305aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 4306aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 4307a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 4308a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 4309a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 4310a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 43111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 43128e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 4313a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 4314a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4315a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4316a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 43179fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 4318a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 43196217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 43206217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 4321a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 4322a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4323a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4324a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4325a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4326a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 4327a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 4328a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 4329a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 43305f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner if (StringRef(S).endswith("nr")) 43310237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 4332a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 43331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 433485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 433585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 433685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 4337e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 433885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 433985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 434085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 43416217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 43429533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 43439533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 43449533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 43459533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 43469533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 43479533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 43489533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 43499533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 43509533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 43519533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 43529533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 435385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 435485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 4355a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 4356a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 43571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 435843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 4359ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4360ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4361aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 4362ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 4363ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 4364ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 43652636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (isa<IncompleteArrayType>(AT) && !StructField) { 4366559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 4367559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 4368559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 43691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4370559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4371559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 4372559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 43731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43742636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 43752636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (getTypeSize(CAT->getElementType()) == 0) 43762636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '0'; 43772636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis else 43782636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += llvm::utostr(CAT->getSize().getZExtValue()); 43792636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 4380559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 43812636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert((isa<VariableArrayType>(AT) || isa<IncompleteArrayType>(AT)) && 43822636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis "Unknown array type!"); 4383559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 4384559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 43851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4387559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4388559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 4389559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 4390ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4391ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 43921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4393183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 4394c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 4395ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4396ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 43971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43986217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 439982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 4400d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 4401502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 4402502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 4403502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 44046fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 44056fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 44066fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 44076fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 44086fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 4409910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.data(), 4410910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.size(), 44116fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian (*this).PrintingPolicy); 44126fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 44136fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 44146fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 4415502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 4416502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 4417502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 44180d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 44197d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 44202636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->isUnion()) { 44212636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForStructureImpl(RDecl, S, FD); 44222636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 44232636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 44242636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 44252636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis Field != FieldEnd; ++Field) { 44262636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 44272636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 44282636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += Field->getNameAsString(); 44292636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 44302636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 44311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44322636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // Special case bit-fields. 44332636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (Field->isBitField()) { 44342636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 44352636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis (*Field)); 44362636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 44372636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis QualType qt = Field->getType(); 44382636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getLegacyIntegralTypeEncoding(qt); 44392636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(qt, S, false, true, 44402636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FD, /*OutermostType*/false, 44412636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*EncodingProperty*/false, 44422636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*StructField*/true); 44432636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 4444d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 44457d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 44466de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 4447d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 4448ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4449ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4450e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4451ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 44528b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 445364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall EncodeBitField(this, S, T, FD); 44548b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 44558b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 4456ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4457ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4459ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 446021a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 4461ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4462ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4464c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 4465c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 4466c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 4467c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 44680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 446943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 44700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 447143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 447243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 447343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 447443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 4475db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose SmallVector<const ObjCIvarDecl*, 32> Ivars; 44762c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(OI, true, Ivars); 44772c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (unsigned i = 0, e = Ivars.size(); i != e; ++i) { 4478db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose const FieldDecl *Field = cast<FieldDecl>(Ivars[i]); 44792c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (Field->isBitField()) 44802c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, Field); 448143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 44822c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, FD); 448343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 448443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 4485ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 448643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 44871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4488183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 448914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 449014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 449114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4492ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 449427d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 449527d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 449627d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 449727d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 449814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 449914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4500ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 45011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4502ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 45031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 450414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 450514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 450614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 450714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 450814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 450914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 451067ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 451167ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 451214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 451314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 451414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 451514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 451614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 451714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 451814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4519ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 45201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4521ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 4522ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 4523ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 4524ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 45251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 4526ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 4527ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 45281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 45291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 4530ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 453114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 453214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4533ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 4534ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 453527d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 4536ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 453727d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 453867ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 453967ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 4540ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 4541ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 4542ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 45431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4544ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 4545ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4546ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4547ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 45481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4549532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 4550532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 4551532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 4552532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 4553e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4554e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian if (T->isVectorType()) { 4555e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // This matches gcc's encoding, even though technically it is 4556e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // insufficient. 4557e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // FIXME. We should do a better job than gcc. 4558e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian return; 4559e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian } 4560e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4561ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 456285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 456385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 45642636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidisvoid ASTContext::getObjCEncodingForStructureImpl(RecordDecl *RDecl, 45652636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::string &S, 45662636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis const FieldDecl *FD, 45672636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool includeVBases) const { 45682636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(RDecl && "Expected non-null RecordDecl"); 45692636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(!RDecl->isUnion() && "Should not be called for unions"); 45702636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->getDefinition()) 45712636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis return; 45722636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45732636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *CXXRec = dyn_cast<CXXRecordDecl>(RDecl); 45742636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::multimap<uint64_t, NamedDecl *> FieldOrBaseOffsets; 45752636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis const ASTRecordLayout &layout = getASTRecordLayout(RDecl); 45762636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45772636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec) { 45782636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (CXXRecordDecl::base_class_iterator 45792636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BI = CXXRec->bases_begin(), 45802636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BE = CXXRec->bases_end(); BI != BE; ++BI) { 45812636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!BI->isVirtual()) { 45822636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *base = BI->getType()->getAsCXXRecordDecl(); 4583829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis if (base->isEmpty()) 4584829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis continue; 45852636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getBaseClassOffsetInBits(base); 45862636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 45872636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, base)); 45882636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45892636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45902636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45912636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45922636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis unsigned i = 0; 45932636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 45942636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 45952636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis Field != FieldEnd; ++Field, ++i) { 45962636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getFieldOffset(i); 45972636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 45982636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, *Field)); 45992636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46002636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46012636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec && includeVBases) { 46022636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (CXXRecordDecl::base_class_iterator 46032636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BI = CXXRec->vbases_begin(), 46042636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BE = CXXRec->vbases_end(); BI != BE; ++BI) { 46052636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *base = BI->getType()->getAsCXXRecordDecl(); 4606829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis if (base->isEmpty()) 4607829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis continue; 46082636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getVBaseClassOffsetInBits(base); 46092636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 46102636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, base)); 46112636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46122636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46132636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46142636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CharUnits size; 46152636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec) { 46162636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis size = includeVBases ? layout.getSize() : layout.getNonVirtualSize(); 46172636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 46182636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis size = layout.getSize(); 46192636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46202636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46212636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t CurOffs = 0; 46222636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::multimap<uint64_t, NamedDecl *>::iterator 46232636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurLayObj = FieldOrBaseOffsets.begin(); 46242636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46252636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CurLayObj != FieldOrBaseOffsets.end() && CurLayObj->first != 0) { 46262636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(CXXRec && CXXRec->isDynamicClass() && 46272636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis "Offset 0 was empty but no VTable ?"); 46282636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 46292636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += "\"_vptr$"; 46302636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::string recname = CXXRec->getNameAsString(); 46312636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (recname.empty()) recname = "?"; 46322636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += recname; 46332636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 46342636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46352636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += "^^?"; 46362636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += getTypeSize(VoidPtrTy); 46372636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46382636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46392636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->hasFlexibleArrayMember()) { 46402636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // Mark the end of the structure. 46412636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = toBits(size); 46422636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 46432636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, (NamedDecl*)0)); 46442636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46452636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46462636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (; CurLayObj != FieldOrBaseOffsets.end(); ++CurLayObj) { 46472636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(CurOffs <= CurLayObj->first); 46482636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46492636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CurOffs < CurLayObj->first) { 46502636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t padding = CurLayObj->first - CurOffs; 46512636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // FIXME: There doesn't seem to be a way to indicate in the encoding that 46522636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // packing/alignment of members is different that normal, in which case 46532636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // the encoding will be out-of-sync with the real layout. 46542636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // If the runtime switches to just consider the size of types without 46552636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // taking into account alignment, we could make padding explicit in the 46562636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // encoding (e.g. using arrays of chars). The encoding strings would be 46572636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // longer then though. 46582636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += padding; 46592636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46602636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46612636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis NamedDecl *dcl = CurLayObj->second; 46622636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (dcl == 0) 46632636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis break; // reached end of structure. 46642636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46652636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRecordDecl *base = dyn_cast<CXXRecordDecl>(dcl)) { 46662636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // We expand the bases without their virtual bases since those are going 46672636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // in the initial structure. Note that this differs from gcc which 46682636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // expands virtual bases each time one is encountered in the hierarchy, 46692636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // making the encoding type bigger than it really is. 46702636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForStructureImpl(base, S, FD, /*includeVBases*/false); 4671829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis assert(!base->isEmpty()); 4672829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis CurOffs += toBits(getASTRecordLayout(base).getNonVirtualSize()); 46732636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 46742636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldDecl *field = cast<FieldDecl>(dcl); 46752636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 46762636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 46772636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += field->getNameAsString(); 46782636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 46792636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46802636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46812636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (field->isBitField()) { 46822636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis EncodeBitField(this, S, field->getType(), field); 46832636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += field->getBitWidth()->EvaluateAsInt(*this).getZExtValue(); 46842636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 46852636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis QualType qt = field->getType(); 46862636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getLegacyIntegralTypeEncoding(qt); 46872636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(qt, S, false, true, FD, 46882636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*OutermostType*/false, 46892636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*EncodingProperty*/false, 46902636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*StructField*/true); 46912636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += getTypeSize(field->getType()); 46922636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46932636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46942636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46952636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis} 46962636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 4698ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 4699ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 4700ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 4701ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 4702ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 4703ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 4704ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 4705ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 4706ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 4707ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 4708ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 4709ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 4710ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 4711ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 4712ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 4713ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 4714b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 47151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4716b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 4717b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 4718b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 4719ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCIdType(QualType T) { 4720de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = T; 47217e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 47227e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 4723ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCSelType(QualType T) { 472413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = T; 4725b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 4726b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 4727ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 4728a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 4729390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 4730390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 4731ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCClassType(QualType T) { 4732de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = T; 47338baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 47348baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 4735a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 47361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 47372198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 47381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4739a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 47402198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 47412198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 47420bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 47430bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 47444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 47454ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 47464ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad UnresolvedSetIterator End) const { 47470bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 47480bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 47497532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 47500bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 47510bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 47520bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 47530bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 47540bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 4755eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 47560bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 47570bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 47580bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 47590bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 47600bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 47617532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 47627532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 47630bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 47647532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 47657532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4766d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 4767d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 47684ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 47694ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 47704ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool TemplateKeyword, 47714ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad TemplateDecl *Template) const { 47720f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor assert(NNS && "Missing nested-name-specifier in qualified template name"); 47730f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor 4774789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 4775d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 4776d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 47771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4778d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 4779d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 47800bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4781d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 4782d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 4783d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 4784d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 47851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4786d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 4787d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 4788d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 47897532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 47907532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 47914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 47924ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 47934ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const IdentifierInfo *Name) const { 47941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 47953b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 47967532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 47977532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 47987532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 47997532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 48007532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 48017532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 48027532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 48037532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 48047532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 48057532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 48067532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 48077532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 48087532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 48097532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 48107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 48117532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 48127532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 4813789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 4814789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4815789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 4816789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 48177532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 48187532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 48197532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 48207532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 48217532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 48227532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4823ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 4824ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 4825ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 4826ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 48274ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad OverloadedOperatorKind Operator) const { 4828ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 4829ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 4830ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4831ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 4832ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 4833ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4834ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 4835789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 4836789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4837ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4838ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 4839ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4840ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4841ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 4842ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 4843ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 4844ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 4845ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 4846ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 4847789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 4848789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 4849789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4850789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 4851789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 4852ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 4853ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4854ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 4855ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4856ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 4857ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 48581aee05d08b2184acadeb36de300e216390780d6cDouglas GregorTemplateName 4859146060435c3efce95c95a092c7a1eb651cfb9ae0John McCallASTContext::getSubstTemplateTemplateParm(TemplateTemplateParmDecl *param, 4860146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateName replacement) const { 4861146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm::FoldingSetNodeID ID; 4862146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage::Profile(ID, param, replacement); 4863146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 4864146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall void *insertPos = 0; 4865146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 4866146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = SubstTemplateTemplateParms.FindNodeOrInsertPos(ID, insertPos); 4867146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 4868146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall if (!subst) { 4869146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall subst = new (*this) SubstTemplateTemplateParmStorage(param, replacement); 4870146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParms.InsertNode(subst, insertPos); 4871146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 4872146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 4873146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return TemplateName(subst); 4874146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall} 4875146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 4876146060435c3efce95c95a092c7a1eb651cfb9ae0John McCallTemplateName 48771aee05d08b2184acadeb36de300e216390780d6cDouglas GregorASTContext::getSubstTemplateTemplateParmPack(TemplateTemplateParmDecl *Param, 48781aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor const TemplateArgument &ArgPack) const { 48791aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ASTContext &Self = const_cast<ASTContext &>(*this); 48801aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor llvm::FoldingSetNodeID ID; 48811aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage::Profile(ID, Self, Param, ArgPack); 48821aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 48831aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor void *InsertPos = 0; 48841aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage *Subst 48851aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = SubstTemplateTemplateParmPacks.FindNodeOrInsertPos(ID, InsertPos); 48861aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 48871aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor if (!Subst) { 4888146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall Subst = new (*this) SubstTemplateTemplateParmPackStorage(Param, 48891aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_size(), 48901aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_begin()); 48911aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPacks.InsertNode(Subst, InsertPos); 48921aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 48931aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 48941aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor return TemplateName(Subst); 48951aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor} 48961aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 4897b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 4898d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 4899d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 4900e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 4901b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 4902e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 4903b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 4904b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 4905b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 4906b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 4907b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 4908b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 4909b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 4910b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 4911b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 4912b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 4913b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 4914e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 4915b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 4916b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4917b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4918b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 4919b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4920b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 49214fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 49224fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 49234fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 4924ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(QualType Ty) const { 4925ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (getLangOptions().getGCMode() == LangOptions::NonGC) 4926ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::GCNone; 4927ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 4928ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(getLangOptions().ObjC1); 4929ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall Qualifiers::GC GCAttrs = Ty.getObjCGCAttr(); 4930ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 4931ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // Default behaviour under objective-C's gc is for ObjC pointers 4932ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // (or pointers to them) be treated as though they were declared 4933ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // as __strong. 4934ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (GCAttrs == Qualifiers::GCNone) { 4935ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 4936ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::Strong; 4937ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall else if (Ty->isPointerType()) 4938ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 4939ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall } else { 4940ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // It's not valid to set GC attributes on anything that isn't a 4941ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // pointer. 4942ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#ifndef NDEBUG 4943ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall QualType CT = Ty->getCanonicalTypeInternal(); 4944ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall while (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 4945ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall CT = AT->getElementType(); 4946ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(CT->isAnyPointerType() || CT->isBlockPointerType()); 4947ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#endif 49484fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 4949b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 49504fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 49514fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 49526ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 49536ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 49546ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 4955770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 49561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 49576ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 49586ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 49596ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 4960467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 49616ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 496261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 49636ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 49646ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4965255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregorbool ASTContext::areCompatibleVectorTypes(QualType FirstVec, 4966255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor QualType SecondVec) { 4967255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(FirstVec->isVectorType() && "FirstVec should be a vector type"); 4968255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(SecondVec->isVectorType() && "SecondVec should be a vector type"); 4969255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4970255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (hasSameUnqualifiedType(FirstVec, SecondVec)) 4971255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4972255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4973f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // Treat Neon vector types and most AltiVec vector types as if they are the 4974f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // equivalent GCC vector types. 4975255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *First = FirstVec->getAs<VectorType>(); 4976255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *Second = SecondVec->getAs<VectorType>(); 4977f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson if (First->getNumElements() == Second->getNumElements() && 4978255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor hasSameType(First->getElementType(), Second->getElementType()) && 4979f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecPixel && 4980f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecBool && 4981f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecPixel && 4982f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecBool) 4983255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4984255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4985255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return false; 4986255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor} 4987255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 49884084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 49894084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 49904084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 49914084c306635b70f37029dca938444e6013f08684Steve Naroff 49924084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 49934084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 49944ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool 49954ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 49964ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad ObjCProtocolDecl *rProto) const { 49974084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 499814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 49994084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 50004084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 50014084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 50024084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 50034084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 50044084c306635b70f37029dca938444e6013f08684Steve Naroff} 500514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 50064084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 50074084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 50084084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 50094084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 50104084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 50114084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 50124084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 50134084c306635b70f37029dca938444e6013f08684Steve Naroff} 50144084c306635b70f37029dca938444e6013f08684Steve Naroff 5015a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// ObjCQualifiedClassTypesAreCompatible - compare Class<p,...> and 5016a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// Class<p1, ...>. 5017a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanianbool ASTContext::ObjCQualifiedClassTypesAreCompatible(QualType lhs, 5018a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType rhs) { 5019a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *lhsQID = lhs->getAs<ObjCObjectPointerType>(); 5020a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 5021a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian assert ((lhsQID && rhsOPT) && "ObjCQualifiedClassTypesAreCompatible"); 5022a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5023a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 5024a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = lhsQID->qual_end(); I != E; ++I) { 5025a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian bool match = false; 5026a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *lhsProto = *I; 5027a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 5028a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = rhsOPT->qual_end(); J != E; ++J) { 5029a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 5030a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto)) { 5031a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian match = true; 5032a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian break; 5033a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 5034a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 5035a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (!match) 5036a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return false; 5037a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 5038a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return true; 5039a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian} 5040a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 50414084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 50424084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 50434084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 50444084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 50454084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 50461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 50474084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 50484084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 50491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 50504084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 50514084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 50524084c306635b70f37029dca938444e6013f08684Steve Naroff 50534084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 5054183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 50551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50564084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 50571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50584084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 50591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 50604084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 50614084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 50624084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 50634084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 50644084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 50654084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 50664084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 50670fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 50684084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 50694084c306635b70f37029dca938444e6013f08684Steve Naroff } 50704084c306635b70f37029dca938444e6013f08684Steve Naroff } 50714084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 50724084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 50734084c306635b70f37029dca938444e6013f08684Steve Naroff } 50741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 50754084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 50764084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 50774084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 50784084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 5079de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 5080de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 5081de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 5082de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 50834084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 50844084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 50854084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 50864084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 50874084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 50884084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 50898f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 50908f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 5091de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 50921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 50934084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 50944084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 50954084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 50964084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 50974084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 50984084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 50994084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 51000fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 51014084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 51024084c306635b70f37029dca938444e6013f08684Steve Naroff break; 51034084c306635b70f37029dca938444e6013f08684Steve Naroff } 51044084c306635b70f37029dca938444e6013f08684Steve Naroff } 51054084c306635b70f37029dca938444e6013f08684Steve Naroff } 51064084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 5107de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 5108de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 51091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5110de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 5111de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 51121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51134084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 51144084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 51154084c306635b70f37029dca938444e6013f08684Steve Naroff 51161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 51174084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 5118de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // If both the right and left sides have qualifiers. 51194084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 51204084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 51214084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 51224084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 51234084c306635b70f37029dca938444e6013f08684Steve Naroff 5124de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // when comparing an id<P> on rhs with a static type on lhs, 51254084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 51264084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 5127de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // First, lhs protocols in the qualifier list must be found, direct 5128de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // or indirect in rhs's qualifier list or it is a mismatch. 51294084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 51304084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 51314084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 51324084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 51334084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 51344084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 51354084c306635b70f37029dca938444e6013f08684Steve Naroff break; 51364084c306635b70f37029dca938444e6013f08684Steve Naroff } 51374084c306635b70f37029dca938444e6013f08684Steve Naroff } 51384084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 51394084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 51404084c306635b70f37029dca938444e6013f08684Steve Naroff } 5141de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian 5142de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // Static class's protocols, or its super class or category protocols 5143de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // must be found, direct or indirect in rhs's qualifier list or it is a mismatch. 5144de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 5145de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 5146de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian CollectInheritedProtocols(lhsID, LHSInheritedProtocols); 5147de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // This is rather dubious but matches gcc's behavior. If lhs has 5148de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // no type qualifier and its class has no static protocol(s) 5149de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // assume that it is mismatch. 5150de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (LHSInheritedProtocols.empty() && lhsOPT->qual_empty()) 5151de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 5152de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5153de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian LHSInheritedProtocols.begin(), 5154de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = LHSInheritedProtocols.end(); I != E; ++I) { 5155de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian bool match = false; 5156de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *lhsProto = (*I); 5157de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 5158de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = rhsQID->qual_end(); J != E; ++J) { 5159de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 5160de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 5161de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 5162de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian match = true; 5163de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian break; 5164de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5165de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5166de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (!match) 5167de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 5168de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5169de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 51704084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 51714084c306635b70f37029dca938444e6013f08684Steve Naroff } 51724084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 51734084c306635b70f37029dca938444e6013f08684Steve Naroff} 51744084c306635b70f37029dca938444e6013f08684Steve Naroff 51754084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 51764084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 51774084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 51784084c306635b70f37029dca938444e6013f08684Steve Naroff/// 51794084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 51804084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 5181c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 5182c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 5183c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 51844084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 5185c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 5186c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 51874084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 51884084c306635b70f37029dca938444e6013f08684Steve Naroff 5189c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 51901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 51911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 51924084c306635b70f37029dca938444e6013f08684Steve Naroff false); 5193a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5194a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (LHS->isObjCQualifiedClass() && RHS->isObjCQualifiedClass()) 5195a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return ObjCQualifiedClassTypesAreCompatible(QualType(LHSOPT,0), 5196a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType(RHSOPT,0)); 5197a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5198c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 5199c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 52004084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 52011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52024084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 520314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 520414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5205132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 5206fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner/// for providing type-safety for objective-c pointers used to pass/return 5207132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 5208132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 5209132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 5210132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 5211132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 5212a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 5213a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian bool BlockReturnType) { 5214a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 5215132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 5216132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5217132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 5218132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 5219132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5220132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5221a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 5222132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 5223132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 5224132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 5225132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5226132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 5227132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 5228132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 5229132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 5230132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 5231a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian return BlockReturnType; 5232132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 5233a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian return !BlockReturnType; 5234132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5235132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 5236132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 5237132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5238132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 5239132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 5240132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5241e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 5242e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 5243e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 5244e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 5245e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 5246e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 5247e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 5248e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 52495f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 5250e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5251c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 5252c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 5253c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 5254c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 5255e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5256e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 5257e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 5258e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 5259e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 5260e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 5261432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 5262c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 5263c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 5264e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 5265e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 5266e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 5267e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5268e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 5269e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 5270cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 5271cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 5272e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 5273e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 5274e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 5275e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 5276e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 5277432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 5278c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 5279c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 5280432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5281432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 5282432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 5283432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 5284432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 5285e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 5286e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 5287e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5288db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 5289db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 5290db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 5291db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 5292db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 5293c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 5294c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 5295c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 5296c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 5297c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 5298c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 52997c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian if (!LDecl || !RDecl || (LDecl == RDecl)) 5300db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 5301db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 53027c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian do { 5303c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 5304e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 53055f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<ObjCProtocolDecl *, 8> Protocols; 5306c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 5307c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5308c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 5309c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 5310c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 5311c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 5312c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 5313e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 53147c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian } while ((LDecl = LDecl->getSuperClass())); 5315db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 5316db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 5317db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 5318db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 5319c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 5320c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 5321c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 5322c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 5323c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 53246ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 53256ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 5326c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 53276ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 53281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53296ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 53306ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 5331c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 53326ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 53331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5334b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, 5335b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // more detailed analysis is required. 5336b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (RHS->getNumProtocols() == 0) { 5337b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // OK, if LHS is a superclass of RHS *and* 5338b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // this superclass is assignment compatible with LHS. 5339b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // false otherwise. 5340627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian bool IsSuperClass = 5341627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian LHS->getInterface()->isSuperClassOf(RHS->getInterface()); 5342627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian if (IsSuperClass) { 5343b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // OK if conversion of LHS to SuperClass results in narrowing of types 5344b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // ; i.e., SuperClass may implement at least one of the protocols 5345b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // in LHS's protocol list. Example, SuperObj<P1> = lhs<P1,P2> is ok. 5346b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // But not SuperObj<P1,P2,P3> = lhs<P1,P2>. 5347b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> SuperClassInheritedProtocols; 5348627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian CollectInheritedProtocols(RHS->getInterface(), SuperClassInheritedProtocols); 5349b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // If super class has no protocols, it is not a match. 5350b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (SuperClassInheritedProtocols.empty()) 5351b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5352b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian 5353b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 5354b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian LHSPE = LHS->qual_end(); 5355b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian LHSPI != LHSPE; LHSPI++) { 5356b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian bool SuperImplementsProtocol = false; 5357b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian ObjCProtocolDecl *LHSProto = (*LHSPI); 5358b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian 5359b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5360b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian SuperClassInheritedProtocols.begin(), 5361b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian E = SuperClassInheritedProtocols.end(); I != E; ++I) { 5362b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian ObjCProtocolDecl *SuperClassProto = (*I); 5363b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (SuperClassProto->lookupProtocolNamed(LHSProto->getIdentifier())) { 5364b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian SuperImplementsProtocol = true; 5365b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian break; 5366b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5367b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5368b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (!SuperImplementsProtocol) 5369b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5370b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5371b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return true; 5372b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5373b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5374b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 53751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5376c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 5377c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 537891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 537991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 538091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 538191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 538291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 5383c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 5384c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 53858f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 53868f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 538791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 53888f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 53898f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 539091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 539191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 539291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 539391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 539491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 539591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 539691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 53976ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 53986ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 5399389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 5400389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 5401183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 5402183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 54031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 540414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 5405389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 540614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 540714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 540814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 5409389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 5410389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 5411569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorbool ASTContext::canBindObjCObjectType(QualType To, QualType From) { 5412569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return canAssignObjCInterfaces( 5413569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(To)->getAs<ObjCObjectPointerType>(), 5414569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(From)->getAs<ObjCObjectPointerType>()); 5415569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 5416569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 54171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 5418ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 54191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 5420ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 5421447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregorbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS, 5422447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool CompareUnqualified) { 54230e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 54240e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 54250e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 5426447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return !mergeTypes(LHS, RHS, false, CompareUnqualified).isNull(); 54273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 54283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5429c286f3835eb6001c61664cef5d610dfaf80a6e9bFariborz Jahanianbool ASTContext::propertyTypesAreCompatible(QualType LHS, QualType RHS) { 543082378391dfc3b2fc22f63dbf1552bd9aed39dc42Fariborz Jahanian return typesAreCompatible(LHS, RHS); 5431c286f3835eb6001c61664cef5d610dfaf80a6e9bFariborz Jahanian} 5432c286f3835eb6001c61664cef5d610dfaf80a6e9bFariborz Jahanian 5433132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 5434132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 5435132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 5436132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 54374846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeTransparentUnionType - if T is a transparent union type and a member 54384846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// of T is compatible with SubType, return the merged type, else return 54394846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// QualType() 54404846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeTransparentUnionType(QualType T, QualType SubType, 54414846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 54424846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 54434846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (const RecordType *UT = T->getAsUnionType()) { 54444846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne RecordDecl *UD = UT->getDecl(); 54454846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (UD->hasAttr<TransparentUnionAttr>()) { 54464846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne for (RecordDecl::field_iterator it = UD->field_begin(), 54474846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne itend = UD->field_end(); it != itend; ++it) { 5448f91d7572ee7fa6f2926c8e7e816039a1154a59f8Peter Collingbourne QualType ET = it->getType().getUnqualifiedType(); 54494846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType MT = mergeTypes(ET, SubType, OfBlockPointer, Unqualified); 54504846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!MT.isNull()) 54514846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return MT; 54524846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 54534846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 54544846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 54554846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 54564846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return QualType(); 54574846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 54584846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 54594846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeFunctionArgumentTypes - merge two types which appear as function 54604846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// argument types 54614846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeFunctionArgumentTypes(QualType lhs, QualType rhs, 54624846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 54634846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 54644846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // GNU extension: two types are compatible if they appear as a function 54654846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // argument, one of the types is a transparent union type and the other 54664846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // type is compatible with a union member 54674846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType lmerge = mergeTransparentUnionType(lhs, rhs, OfBlockPointer, 54684846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 54694846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!lmerge.isNull()) 54704846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return lmerge; 54714846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 54724846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType rmerge = mergeTransparentUnionType(rhs, lhs, OfBlockPointer, 54734846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 54744846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!rmerge.isNull()) 54754846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return rmerge; 54764846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 54774846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return mergeTypes(lhs, rhs, OfBlockPointer, Unqualified); 54784846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 54794846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 5480132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 5481447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5482447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 5483183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 5484183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 548572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 548672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 54873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 54883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 54893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 54903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 5491132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 5492d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (OfBlockPointer) { 5493d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType RHS = rbase->getResultType(); 5494d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType LHS = lbase->getResultType(); 5495d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian bool UnqualifiedResult = Unqualified; 5496d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (!UnqualifiedResult) 5497d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian UnqualifiedResult = (!RHS.hasQualifiers() && LHS.hasQualifiers()); 5498a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian retType = mergeTypes(LHS, RHS, true, UnqualifiedResult, true); 5499d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian } 5500132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 55018cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall retType = mergeTypes(lbase->getResultType(), rbase->getResultType(), false, 55028cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall Unqualified); 55033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 5504447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5505447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5506447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = retType.getUnqualifiedType(); 5507447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5508447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType LRetType = getCanonicalType(lbase->getResultType()); 5509447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType RRetType = getCanonicalType(rbase->getResultType()); 5510447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5511447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LRetType = LRetType.getUnqualifiedType(); 5512447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RRetType = RRetType.getUnqualifiedType(); 5513447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5514447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5515447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != LRetType) 551661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 5517447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != RRetType) 551861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 55198cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 55206a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 55216a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 55226a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 55236a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 5524264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 5525264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 55268cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 55278cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Compatible functions must have compatible calling conventions 55288cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (!isSameCallConv(lbaseInfo.getCC(), rbaseInfo.getCC())) 55298cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 55308cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 55318cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Regparm is part of the calling convention. 5532a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman if (lbaseInfo.getHasRegParm() != rbaseInfo.getHasRegParm()) 5533a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman return QualType(); 55348cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (lbaseInfo.getRegParm() != rbaseInfo.getRegParm()) 55358cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 55368cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 5537f85e193739c953358c865005855253af4f68a497John McCall if (lbaseInfo.getProducesResult() != rbaseInfo.getProducesResult()) 5538f85e193739c953358c865005855253af4f68a497John McCall return QualType(); 5539f85e193739c953358c865005855253af4f68a497John McCall 55408cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // It's noreturn if either type is. 55418cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // FIXME: some uses, e.g. conditional exprs, really want this to be 'both'. 55426a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 55438cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (NoReturn != lbaseInfo.getNoReturn()) 55446a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 55458cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (NoReturn != rbaseInfo.getNoReturn()) 55466a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 55471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5548f85e193739c953358c865005855253af4f68a497John McCall FunctionType::ExtInfo einfo = lbaseInfo.withNoReturn(NoReturn); 5549e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 55503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 5551465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 5552465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 55533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 55543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 55553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 55563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 55573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 55583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 55593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 55603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 55613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 55623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 55633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 55647fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 55657fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 55667fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 55673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 55685f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 10> types; 55693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 55703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 55713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 55724846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType argtype = mergeFunctionArgumentTypes(largtype, rargtype, 55734846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne OfBlockPointer, 55744846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 55753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 5576447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5577447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5578447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor argtype = argtype.getUnqualifiedType(); 5579447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 55803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 5581447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5582447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor largtype = largtype.getUnqualifiedType(); 5583447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor rargtype = rargtype.getUnqualifiedType(); 5584447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5585447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 558661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 558761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 558861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 558961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 55903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 55913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 55923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5593e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5594e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = lproto->getExtProtoInfo(); 5595e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 5596e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(retType, types.begin(), types.size(), EPI); 55973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 55983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 55993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 56003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 56013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 560272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 56033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 5604465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 56053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 56063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 56073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 56083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 56093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 56103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 56113d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 56123d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 56133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 5614b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 5615b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 5616b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 5617b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 5618b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 5619b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 56203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 56213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 56223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 56233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 56243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 56253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 56263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5627e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5628e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = proto->getExtProtoInfo(); 5629e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 56303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 5631e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall proto->getNumArgs(), EPI); 56323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 56333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 56343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 56353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 56368cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return getFunctionNoProtoType(retType, einfo); 56373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 56383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5639132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 5640447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5641a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian bool Unqualified, bool BlockReturnType) { 564243d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 564343d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 564443d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 56457c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 56467c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 56470e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 56480e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 5649447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5650447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5651447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHS = LHS.getUnqualifiedType(); 5652447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHS = RHS.getUnqualifiedType(); 5653447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 56540e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 56553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 56563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 56573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5658f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 56593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 56603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 56613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 56620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 5663a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 5664a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 56650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 56660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 56670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 56680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 5669f85e193739c953358c865005855253af4f68a497John McCall LQuals.getAddressSpace() != RQuals.getAddressSpace() || 5670f85e193739c953358c865005855253af4f68a497John McCall LQuals.getObjCLifetime() != RQuals.getObjCLifetime()) 56710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 56720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 56730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 56740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 56750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 56760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 56770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 56780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 56790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 56800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 56810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 56820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 56830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 56840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 56850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 56860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 56870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 56880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 56890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 56900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 56913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 56920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 56930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 56940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 56953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5696852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 5697852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 5698f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 56991adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 57001adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 57011adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 57021adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 57034c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 57044c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 5705a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 5706a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 5707a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 5708a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 57091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5710c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 5711c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 5712c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 5713c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5714213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 5715213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 5716213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 57171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 57184e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 57194e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 57201adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 57211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 5722842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 5723842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 5724183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 57253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 57263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 5727bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 5728183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 57293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 57303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 5731bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 57321adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 57333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 5734ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 57353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 57364a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 57371adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 573872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 573972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 5740ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 574172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 574272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 574372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 574472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 574572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 574672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 57477c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 57487c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 574972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 575072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 575172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 575272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 5753c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 575472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 575572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 575672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 575772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 575872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 575972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 576072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 57611adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 57623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 57633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 57646217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 57656217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 5766447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5767447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5768447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5769447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5770447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, false, 5771447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 57723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 577307d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 577461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 577507d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 577661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 57773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 57783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 5779c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 5780c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 5781c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 57826217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 57836217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 5784447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5785447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5786447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5787447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5788447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer, 5789447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 5790c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 5791c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 5792c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 5793c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 5794c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 5795c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 5796c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 57971adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 57983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 57993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 58003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 58013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 58023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 58033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 58043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 58053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 5806447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5807447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSElem = LHSElem.getUnqualifiedType(); 5808447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSElem = RHSElem.getUnqualifiedType(); 5809447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5810447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5811447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSElem, RHSElem, false, Unqualified); 58123d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 581361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 581461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 581561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 581661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 58173bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 58183bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 58193bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 58203bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 58213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 58223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 582361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 582461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 582561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 582661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 58273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 58283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 58293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 58303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 58313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 58323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 58333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 58343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 58353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 58363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 58373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 58383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 58393bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 58403bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 58417e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 58427e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 58433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 58441adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 5845447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return mergeFunctionTypes(LHS, RHS, OfBlockPointer, Unqualified); 584672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 584772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 58483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 58491adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 58503cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 58513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 585264cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 585364cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 585464cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 58553cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 58565a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 58571c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 58581c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 58593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 586061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 5861c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 5862c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 58635a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 58645a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 5865c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 5866c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 5867c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 58685fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 58695fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 58703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 587161490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 587214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 5873132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 5874132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 5875132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 5876a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian RHS->getAs<ObjCObjectPointerType>(), 5877a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian BlockReturnType)) 5878132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 5879132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 5880132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5881183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 5882183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 588314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 588414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5885bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 5886132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5887ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 588872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 588972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 5890ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 58917192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 58922390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 58932390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 58942390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 58952390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 58962390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 58972390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 58982390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 58992390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 59002390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 59012390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 59022390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 59032390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59042390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 59052390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 59062390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 59072390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 59082390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 59092390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 59102390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 59112390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59122390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 59132390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 59142390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 59152390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 59162390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 5917e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 5918e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getFunctionExtInfo(LHS); 59192390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 59202390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 5921e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FPT->getNumArgs(), EPI); 59222390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 59232390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 59242390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 59252390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59262390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 59272390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 59282390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 59292390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 59302390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 59312390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 59322390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 59332390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 59342390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 59352390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59362390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 59372390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 59382390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 59392390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 59402390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 59412390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 59422390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 59432390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 59442390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 59452390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 59462390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 59472390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59482390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 59492390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 59502390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 59512390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 59522390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 59532390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59542390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 59552390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 59562390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 59572390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 59582390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 59592390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 59602390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 59612390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 59622390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 59632390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 59642390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 59652390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59662390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 59672390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 59685426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 5969ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 5970ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 597188054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 59724ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getIntWidth(QualType T) const { 5973f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const EnumType *ET = dyn_cast<EnumType>(T)) 597429a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 59751274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (T->isBooleanType()) 59761274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor return 1; 5977f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 5978ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 5979ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5980ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 5981ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 5982f60946222721d9ba3c059563935c17b84703187aDouglas Gregor assert(T->hasSignedIntegerRepresentation() && "Unexpected type"); 59836a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 59846a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 59856a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 59866a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 5987e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VTy->getNumElements(), VTy->getVectorKind()); 59886a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 59896a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 59906a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 5991ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 59926a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 59936a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 59946a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 5995ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 5996ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 5997ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 5998ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 5999ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 6000ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 6001ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 6002ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 6003ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 6004ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 6005ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 6006ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 60072df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 60082df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 6009ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 6010ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 6011ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 6012ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 6013ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 6014ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 60157b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios KyrtzidisASTMutationListener::~ASTMutationListener() { } 60167b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios Kyrtzidis 601786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 601886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 601986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 602086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 602186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 602286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 602333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// pointer over the consumed characters. This returns the resultant type. If 602433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// AllowTypeModifiers is false then modifier like * are not parsed, just basic 602533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// types. This allows "v2i*" to be parsed as a pointer to a v2i instead of 602633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// a vector of "i*". 602714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// 602814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// RequiresICE is filled in on return to indicate whether the value is required 602914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// to be an Integer Constant Expression. 60304ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType DecodeTypeFromStr(const char *&Str, const ASTContext &Context, 603186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 603214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool &RequiresICE, 603333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner bool AllowTypeModifiers) { 603486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 603586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 603686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 603714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = false; 6038393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 603933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Read the prefixed modifiers first. 604086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 604186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 604286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 60431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 6044393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner case 'I': 604514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = true; 6046393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner break; 604786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 604886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 604986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 605086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 605186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 605286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 605386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 605486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 605586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 605686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 605786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 605886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 605986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 606086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 606186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 606286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 606386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 606486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 60651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 606686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 606786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 606886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 606986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 607086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 607186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 607286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 607386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 607486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 607586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 607686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 607786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 607886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 607986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 608086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 608186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 608286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 608386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 608486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 608586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 608686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 608786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 608886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 608986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 609086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 609186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 609286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 609386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 609486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 609586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 609686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 609786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 609886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 609986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 610086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 610186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 610286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 610386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 610486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 610586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 610686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 610786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 610886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 610986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 611086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 611186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 611286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 611386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 611486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 611586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 611686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 611786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 611886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 611986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 612086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 612186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 612286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 612386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 6124ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'G': 6125ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCIdType(); 6126ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 6127ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'H': 6128ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCSelType(); 6129ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 613086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 613186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 613286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 613386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 613486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 613586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 613686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 613786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 613886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 613986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 614086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 614186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 614286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 614386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 614486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 614514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (Type->isArrayType()) 614686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 614714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner else 614886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 614986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 615086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 615186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 615286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 615386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 615486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 61551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 615614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, 615714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, false); 615814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require vector ICE"); 615933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner 616033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // TODO: No way to make AltiVec vectors in builtins yet. 6161788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Type = Context.getVectorType(ElementType, NumElements, 6162e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 616386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 616486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6165d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 616614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, RequiresICE, 616714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner false); 616814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require complex ICE"); 6169d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 6170d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 6171d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor } 61729a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 6173c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 6174c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 6175f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 617686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 617786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6178fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 61799a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 6180f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 6181782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 6182f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 6183f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 6184f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 6185fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 6186f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 6187fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 6188fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 6189fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 6190782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 61911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 619233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // If there are modifiers and if we're allowed to parse them, go for it. 619333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Done = !AllowTypeModifiers; 619486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 6195187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 619633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner default: Done = true; --Str; break; 619733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '*': 619833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '&': { 619933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Both pointers and references can have their pointee types 620033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // qualified with an address space. 620133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner char *End; 620233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner unsigned AddrSpace = strtoul(Str, &End, 10); 620333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (End != Str && AddrSpace != 0) { 620433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getAddrSpaceQualType(Type, AddrSpace); 620533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Str = End; 620633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 620733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (c == '*') 620833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getPointerType(Type); 620933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner else 621033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getLValueReferenceType(Type); 621133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 621233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 621333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 621433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'C': 621533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Type.withConst(); 621633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 621733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'D': 621833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getVolatileType(Type); 621933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 622086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 622186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6222393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 622314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert((!RequiresICE || Type->isIntegralOrEnumerationType()) && 6224393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner "Integer constant 'I' type must be an integer"); 62251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 622686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 622786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 622886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 622986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 623033daae66462e8f51ee153463b32bdefd60c801aaChris LattnerQualType ASTContext::GetBuiltinType(unsigned Id, 623114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner GetBuiltinTypeError &Error, 62324ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned *IntegerConstantArgs) const { 623333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(Id); 62341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 62355f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 8> ArgTypes; 62361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 623714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool RequiresICE = false; 623886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 623914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error, 624014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, true); 624186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 624286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 624314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 624414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Result of intrinsic cannot be required to be an ICE"); 624514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 624686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 624714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error, RequiresICE, true); 624886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 624986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 625086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 625114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // If this argument is required to be an IntegerConstantExpression and the 625214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // caller cares, fill in the bitmask we return. 625314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (RequiresICE && IntegerConstantArgs) 625414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner *IntegerConstantArgs |= 1 << ArgTypes.size(); 625514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 625686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 625786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 625886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 62591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 626086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 626186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 626286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 626386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 626486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 626586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 626600ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall FunctionType::ExtInfo EI; 626700ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (BuiltinInfo.isNoReturn(Id)) EI = EI.withNoReturn(true); 626800ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 626900ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall bool Variadic = (TypeStr[0] == '.'); 627000ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 627100ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall // We really shouldn't be making a no-proto type here, especially in C++. 627200ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (ArgTypes.empty() && Variadic) 627300ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall return getFunctionNoProtoType(ResType, EI); 6274ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 6275e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI; 627600ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.ExtInfo = EI; 627700ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.Variadic = Variadic; 6278e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 6279e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), EPI); 628086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 6281a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 628290e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForFunction(const FunctionDecl *FD) { 628390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage External = GVA_StrongExternal; 628490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 628590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = FD->getLinkage(); 628690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 628790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 628890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 628990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 629090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 629190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 629290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 629390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (FD->getTemplateSpecializationKind()) { 629490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 629590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 629690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_StrongExternal; 629790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 629890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 629990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 630090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 630190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 630290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 630390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 630490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_TemplateInstantiation; 630590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 630690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 630790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 630890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 630990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isInlined()) 631090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 631190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 631290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!getLangOptions().CPlusPlus || FD->hasAttr<GNUInlineAttr>()) { 631390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // GNU or C99 inline semantics. Determine whether this symbol should be 631490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // externally visible. 631590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->isInlineDefinitionExternallyVisible()) 631690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 631790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 631890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C99 inline semantics, where the symbol is not externally visible. 631990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 632090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 632190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 632290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C++0x [temp.explicit]p9: 632390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // [ Note: The intent is that an inline function that is the subject of 632490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // an explicit instantiation declaration will still be implicitly 632590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // instantiated when used so that the body can be considered for 632690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // inlining, but that no out-of-line copy of the inline function would be 632790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // generated in the translation unit. -- end note ] 632890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->getTemplateSpecializationKind() 632990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis == TSK_ExplicitInstantiationDeclaration) 633090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 633190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 633290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_CXXInline; 633390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 633490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 633590e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForVariable(const VarDecl *VD) { 633690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // If this is a static data member, compute the kind of template 633790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // specialization. Otherwise, this variable is not part of a 633890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // template. 633990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TemplateSpecializationKind TSK = TSK_Undeclared; 634090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (VD->isStaticDataMember()) 634190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TSK = VD->getTemplateSpecializationKind(); 634290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 634390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = VD->getLinkage(); 634490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 634590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis VD->getType()->getLinkage() == UniqueExternalLinkage) 634690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 634790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 634890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 634990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 635090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 635190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 635290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 635390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 635490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 635590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (TSK) { 635690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 635790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 635890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 635990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 636090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 636190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis llvm_unreachable("Variable should not be instantiated"); 636290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Fall through to treat this like any other instantiation. 636390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 636490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 636590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 636690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 636790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 636890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_TemplateInstantiation; 636990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 637090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 637190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 637290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 637390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 637490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 63754ac7c0bb39696e92fd220118fedc484c09a69870Argyrios Kyrtzidisbool ASTContext::DeclMustBeEmitted(const Decl *D) { 637690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 637790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!VD->isFileVarDecl()) 637890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 637990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } else if (!isa<FunctionDecl>(D)) 638090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 638190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 6382ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis // Weak references don't produce any output by themselves. 6383ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (D->hasAttr<WeakRefAttr>()) 6384ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 6385ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 638690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Aliases and used decls are required. 638790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (D->hasAttr<AliasAttr>() || D->hasAttr<UsedAttr>()) 638890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 638990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 639090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 639190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Forward declarations aren't required. 639210620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt if (!FD->doesThisDeclarationHaveABody()) 6393dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky return FD->doesDeclarationForceExternallyVisibleDefinition(); 639490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 639590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Constructors and destructors are required. 639690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->hasAttr<ConstructorAttr>() || FD->hasAttr<DestructorAttr>()) 639790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 639890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 639990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // The key function for a class is required. 640090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 640190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXRecordDecl *RD = MD->getParent(); 640290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (MD->isOutOfLine() && RD->isDynamicClass()) { 640390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXMethodDecl *KeyFunc = getKeyFunction(RD); 640490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (KeyFunc && KeyFunc->getCanonicalDecl() == MD->getCanonicalDecl()) 640590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 640690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 640790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 640890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 640990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage Linkage = GetGVALinkageForFunction(FD); 641090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 641190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // static, static inline, always_inline, and extern inline functions can 641290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // always be deferred. Normal inline functions can be deferred in C99/C++. 641390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Implicit template instantiations can also be deferred in C++. 641490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (Linkage == GVA_Internal || Linkage == GVA_C99Inline || 641590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage == GVA_CXXInline || Linkage == GVA_TemplateInstantiation) 641690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 641790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 641890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 641990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 642090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const VarDecl *VD = cast<VarDecl>(D); 642190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis assert(VD->isFileVarDecl() && "Expected file scoped var"); 642290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 6423ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (VD->isThisDeclarationADefinition() == VarDecl::DeclarationOnly) 6424ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 6425ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 642690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Structs that have non-trivial constructors or destructors are required. 642790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 642890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // FIXME: Handle references. 6429023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt // FIXME: Be more selective about which constructors we care about. 643090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const RecordType *RT = VD->getType()->getAs<RecordType>()) { 643190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl())) { 6432023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt if (RD->hasDefinition() && !(RD->hasTrivialDefaultConstructor() && 6433023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialCopyConstructor() && 6434023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialMoveConstructor() && 6435023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialDestructor())) 643690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 643790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 643890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 643990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 644090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage L = GetGVALinkageForVariable(VD); 644190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == GVA_Internal || L == GVA_TemplateInstantiation) { 644290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!(VD->getInit() && VD->getInit()->HasSideEffects(*this))) 644390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 644490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 644590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 644690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 644790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 6448071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 6449ee743f903858e337434ac0335f147f4de4ecae05Charles DavisCallingConv ASTContext::getDefaultMethodCallConv() { 6450ee743f903858e337434ac0335f147f4de4ecae05Charles Davis // Pass through to the C++ ABI object 6451ee743f903858e337434ac0335f147f4de4ecae05Charles Davis return ABI->getDefaultMethodCallConv(); 6452ee743f903858e337434ac0335f147f4de4ecae05Charles Davis} 6453ee743f903858e337434ac0335f147f4de4ecae05Charles Davis 64544ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::isNearlyEmpty(const CXXRecordDecl *RD) const { 6455dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson // Pass through to the C++ ABI object 6456dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson return ABI->isNearlyEmpty(RD); 6457dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson} 6458dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson 645914110477887e3dc168ffc6c191e72d705051f99ePeter CollingbourneMangleContext *ASTContext::createMangleContext() { 646014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne switch (Target.getCXXABI()) { 646114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_ARM: 646214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Itanium: 646314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createItaniumMangleContext(*this, getDiagnostics()); 646414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Microsoft: 646514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createMicrosoftMangleContext(*this, getDiagnostics()); 646614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne } 646714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne assert(0 && "Unsupported ABI"); 646814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return 0; 646914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne} 647014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 6471071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI::~CXXABI() {} 6472ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek 6473ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremeneksize_t ASTContext::getSideTableAllocatedMemory() const { 64740c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek return ASTRecordLayouts.getMemorySize() 64750c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(ObjCLayouts) 64760c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(KeyFunctions) 64770c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(ObjCImpls) 64780c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(BlockVarCopyInits) 64790c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(DeclAttrs) 64800c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromStaticDataMember) 64810c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromUsingDecl) 64820c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromUsingShadowDecl) 64830c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromUnnamedFieldDecl) 64840c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(OverriddenMethods) 64850c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(Types) 64860c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(VariableArrayTypes); 6487ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek} 6488