ASTContext.cpp revision 3a02b44e3948f7762dbfba94b7961281ca29d022
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_()), 224772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor GlobalNestedNameSpecifier(0), 225772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor Int128Decl(0), UInt128Decl(0), 2267a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor ObjCIdDecl(0), ObjCSelDecl(0), ObjCClassDecl(0), 22779d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor CFConstantStringTypeDecl(0), 2280815b579b31cb3129f732bb7ea36fd6ba6949e98Douglas Gregor FILEDecl(0), 229f85e193739c953358c865005855253af4f68a497John McCall jmp_bufDecl(0), sigjmp_bufDecl(0), BlockDescriptorType(0), 230f85e193739c953358c865005855253af4f68a497John McCall BlockDescriptorExtendedType(0), cudaConfigureCallDecl(0), 231bf1a028246d884a540aeafa38e89be59a269b072John McCall NullTypeSourceInfo(QualType()), 232207f4d8543529221932af82836016a2ef066c917Peter Collingbourne SourceMgr(SM), LangOpts(LOpts), ABI(createCXXABI(t)), 233207f4d8543529221932af82836016a2ef066c917Peter Collingbourne AddrSpaceMap(getAddressSpaceMap(t, LOpts)), Target(t), 2342e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Idents(idents), Selectors(sels), 235ac9590effa90406767a544005ed1de52e258306bTed Kremenek BuiltinInfo(builtins), 236ac9590effa90406767a544005ed1de52e258306bTed Kremenek DeclarationNames(*this), 2379a44b5f5593bd8a385d06b07c564795f643ec8daArgyrios Kyrtzidis ExternalSource(0), Listener(0), PrintingPolicy(LOpts), 238f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek LastSDM(0, 0), 2398178df3b39ab923ff5d24538812628abee33df79John McCall UniqueBlockByRefTypeID(0) { 2401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 241e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 24214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff InitBuiltinTypes(); 243e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 244e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 2455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 2463478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // Release the DenseMaps associated with DeclContext objects. 2473478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: Is this the ideal solution? 2483478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek ReleaseDeclContextMaps(); 2497d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 25063fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Call all of the deallocation functions. 25163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (unsigned I = 0, N = Deallocations.size(); I != N; ++I) 25263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor Deallocations[I].first(Deallocations[I].second); 2530054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2547d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // Release all of the memory associated with overridden C++ methods. 2557d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor for (llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::iterator 2567d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM = OverriddenMethods.begin(), OMEnd = OverriddenMethods.end(); 2577d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM != OMEnd; ++OM) 2587d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM->second.Destroy(); 2593478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek 260dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // ASTRecordLayout objects in ASTRecordLayouts must always be destroyed 26163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // because they can contain DenseMaps. 26263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (llvm::DenseMap<const ObjCContainerDecl*, 26363fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor const ASTRecordLayout*>::iterator 26463fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor I = ObjCLayouts.begin(), E = ObjCLayouts.end(); I != E; ) 26563fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Increment in loop to prevent using deallocated memory. 26663fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 26763fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor R->Destroy(*this); 26863fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor 269dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek for (llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 270dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { 271dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // Increment in loop to prevent using deallocated memory. 272dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 273dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek R->Destroy(*this); 274dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek } 2756320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 2766320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor for (llvm::DenseMap<const Decl*, AttrVec*>::iterator A = DeclAttrs.begin(), 2776320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AEnd = DeclAttrs.end(); 2786320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A != AEnd; ++A) 2796320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A->second->~AttrVec(); 2806320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 281ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 2820054531488928a424666ac11fcdc6bcc5112de52Douglas Gregorvoid ASTContext::AddDeallocation(void (*Callback)(void*), void *Data) { 2830054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor Deallocations.push_back(std::make_pair(Callback, Data)); 2840054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor} 2850054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 2872cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 2882cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 2892cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 2902cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 292cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << "\n*** AST Context Stats:\n"; 293cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << " " << Types.size() << " types total.\n"; 2947c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 295dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 2961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 297dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 298dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 299dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 300dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 301c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 304dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 307dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 308dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 309dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 310dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 311cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << " " << counts[Idx] << " " << #Name \ 312cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " types\n"; \ 313dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 314dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 315dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 316dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 3171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 318cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << "Total bytes = " << TotalBytes << "\n"; 319cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth 3204923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor // Implicit special member functions. 321cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitDefaultConstructorsDeclared << "/" 322cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitDefaultConstructors 323cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit default constructors created\n"; 324cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitCopyConstructorsDeclared << "/" 325cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitCopyConstructors 326cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit copy constructors created\n"; 327ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt if (getLangOptions().CPlusPlus) 328cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitMoveConstructorsDeclared << "/" 329cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitMoveConstructors 330cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit move constructors created\n"; 331cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitCopyAssignmentOperatorsDeclared << "/" 332cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitCopyAssignmentOperators 333cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit copy assignment operators created\n"; 334ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt if (getLangOptions().CPlusPlus) 335cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitMoveAssignmentOperatorsDeclared << "/" 336cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitMoveAssignmentOperators 337cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit move assignment operators created\n"; 338cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitDestructorsDeclared << "/" 339cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitDestructors 340cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit destructors created\n"; 341cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth 3422cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 343cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << "\n"; 3442cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 3452cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 346cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth 34763fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor BumpAlloc.PrintStats(); 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 350772eeaefef2c883aabe35caf4543e7e32d290183Douglas GregorTypedefDecl *ASTContext::getInt128Decl() const { 351772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor if (!Int128Decl) { 352772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor TypeSourceInfo *TInfo = getTrivialTypeSourceInfo(Int128Ty); 353772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor Int128Decl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 354772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor getTranslationUnitDecl(), 355772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor SourceLocation(), 356772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor SourceLocation(), 357772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor &Idents.get("__int128_t"), 358772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor TInfo); 359772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor } 360772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor 361772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor return Int128Decl; 362772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor} 363772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor 364772eeaefef2c883aabe35caf4543e7e32d290183Douglas GregorTypedefDecl *ASTContext::getUInt128Decl() const { 365772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor if (!UInt128Decl) { 366772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor TypeSourceInfo *TInfo = getTrivialTypeSourceInfo(UnsignedInt128Ty); 367772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor UInt128Decl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 368772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor getTranslationUnitDecl(), 369772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor SourceLocation(), 370772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor SourceLocation(), 371772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor &Idents.get("__uint128_t"), 372772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor TInfo); 373772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor } 374772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor 375772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor return UInt128Decl; 376772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor} 3775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 378e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 3796b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 380e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 3816b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 3825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinTypes() { 3855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 3861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 3891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 3915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 3925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 39315b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 3945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 3955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 3965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 3975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 3985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 3995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 4005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 4015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 4025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 4031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 4075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 4101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 41564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 4162df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 4172df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 4182df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 4192df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 4203f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (LangOpts.CPlusPlus) { // C++ 3.9.1p5 421d3d77cd138f8e830f6547b6f83fcd5721ccf5f5dEli Friedman if (TargetInfo::isTypeSigned(Target.getWCharType())) 4223f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_S); 4233f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner else // -fshort-wchar makes wchar_t be unsigned. 4243f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_U); 4253f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner } else // C99 4263a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 42764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 428f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 429f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 430f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 431f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 432f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 433f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 434f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 435f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 436f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 437f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 438898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 439898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 440898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 441898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 442898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 443898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 4448e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 4452a984cad5ac3fdceeff2bd99daa7b90979313475John McCall // Placeholder type for functions. 4462a984cad5ac3fdceeff2bd99daa7b90979313475John McCall InitBuiltinType(OverloadTy, BuiltinType::Overload); 4472a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 448864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall // Placeholder type for bound members. 449864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall InitBuiltinType(BoundMemberTy, BuiltinType::BoundMember); 450864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 4511de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall // "any" type; useful for debugger-like clients. 4521de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall InitBuiltinType(UnknownAnyTy, BuiltinType::UnknownAny); 4531de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall 4545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 4555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 4565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 4575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 4588e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 4597e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 4601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46113dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 462de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 463de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 46413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 46514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 466a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 4671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 46933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 4706e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 4716e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 4726e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 47578a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios KyrtzidisDiagnostic &ASTContext::getDiagnostics() const { 47678a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis return SourceMgr.getDiagnostics(); 47778a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis} 47878a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis 4796320064d0c60fa8683f5623881c9394fd4aa7689Douglas GregorAttrVec& ASTContext::getDeclAttrs(const Decl *D) { 4806320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AttrVec *&Result = DeclAttrs[D]; 4816320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (!Result) { 4826320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor void *Mem = Allocate(sizeof(AttrVec)); 4836320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Result = new (Mem) AttrVec; 4846320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 4856320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 4866320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor return *Result; 4876320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 4886320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 4896320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor/// \brief Erase the attributes corresponding to the given declaration. 4906320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregorvoid ASTContext::eraseDeclAttrs(const Decl *D) { 4916320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor llvm::DenseMap<const Decl*, AttrVec*>::iterator Pos = DeclAttrs.find(D); 4926320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (Pos != DeclAttrs.end()) { 4936320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Pos->second->~AttrVec(); 4946320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor DeclAttrs.erase(Pos); 4956320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 4966320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 4976320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 498251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 499663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 5007caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 501663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 5027caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 5037caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 5047caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 5051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5067caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 5077caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 5087caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 5091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 510251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 5119421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis TemplateSpecializationKind TSK, 5129421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis SourceLocation PointOfInstantiation) { 5137caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 5147caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 5157caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 5167caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 517251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 5189421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis = new (*this) MemberSpecializationInfo(Tmpl, TSK, PointOfInstantiation); 5197caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 5207caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 5217ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 522ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 5237ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 524ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 525ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 5260d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 5271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5280d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 5290d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 5300d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 5310d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 532ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 533ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 534ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 535ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 536ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 537ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 538ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 539ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 540ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 541ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 542ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 543ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 544ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 545ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 546ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 547ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 548ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 549ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 550ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 551ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 552ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 553ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 554ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 555ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 5560d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 5570d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 558d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 559d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 560d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 561d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 562d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 5631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 564d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 565d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 566d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 567d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 568d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 569d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 570d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 571d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 572d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 5731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 574d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 575d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 576d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 57714d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanianbool ASTContext::ZeroBitfieldFollowsNonBitfield(const FieldDecl *FD, 57814d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian const FieldDecl *LastFD) const { 57914d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian return (FD->isBitField() && LastFD && !LastFD->isBitField() && 580682b7f8506b70024d3ae88b53a07332bd2cca55eChad Rosier FD->getBitWidth()->EvaluateAsInt(*this).getZExtValue() == 0); 58114d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian} 58214d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian 583340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanianbool ASTContext::ZeroBitfieldFollowsBitfield(const FieldDecl *FD, 584340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian const FieldDecl *LastFD) const { 585340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian return (FD->isBitField() && LastFD && LastFD->isBitField() && 586682b7f8506b70024d3ae88b53a07332bd2cca55eChad Rosier FD->getBitWidth()->EvaluateAsInt(*this).getZExtValue() == 0 && 587682b7f8506b70024d3ae88b53a07332bd2cca55eChad Rosier LastFD->getBitWidth()->EvaluateAsInt(*this).getZExtValue() != 0); 588340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian} 589340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian 5909b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanianbool ASTContext::BitfieldFollowsBitfield(const FieldDecl *FD, 5919b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian const FieldDecl *LastFD) const { 5929b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian return (FD->isBitField() && LastFD && LastFD->isBitField() && 593682b7f8506b70024d3ae88b53a07332bd2cca55eChad Rosier FD->getBitWidth()->EvaluateAsInt(*this).getZExtValue() && 594682b7f8506b70024d3ae88b53a07332bd2cca55eChad Rosier LastFD->getBitWidth()->EvaluateAsInt(*this).getZExtValue()); 5959b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian} 5969b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian 597dd7fddb5b6883326e52b278a9b7e9cefea29aae0Chad Rosierbool ASTContext::NonBitfieldFollowsBitfield(const FieldDecl *FD, 59852bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian const FieldDecl *LastFD) const { 59952bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian return (!FD->isBitField() && LastFD && LastFD->isBitField() && 600682b7f8506b70024d3ae88b53a07332bd2cca55eChad Rosier LastFD->getBitWidth()->EvaluateAsInt(*this).getZExtValue()); 60152bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian} 60252bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian 603dd7fddb5b6883326e52b278a9b7e9cefea29aae0Chad Rosierbool ASTContext::BitfieldFollowsNonBitfield(const FieldDecl *FD, 60452bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian const FieldDecl *LastFD) const { 60552bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian return (FD->isBitField() && LastFD && !LastFD->isBitField() && 606682b7f8506b70024d3ae88b53a07332bd2cca55eChad Rosier FD->getBitWidth()->EvaluateAsInt(*this).getZExtValue()); 60752bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian} 60852bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian 6097d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 6107d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 6117d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 6127d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 6137d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 6147d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 6157d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 6167d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 6177d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 6187d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 6197d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 6207d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 6217d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 6227d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 6237d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 6247d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 6257d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 6267d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 6277d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 6287d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 629c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidisunsigned 630c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios KyrtzidisASTContext::overridden_methods_size(const CXXMethodDecl *Method) const { 631c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 632c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis = OverriddenMethods.find(Method); 633c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis if (Pos == OverriddenMethods.end()) 634c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return 0; 635c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 636c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return Pos->second.size(); 637c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis} 638c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 6397d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 6407d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 6417d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 6427d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 6437d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 644464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 645464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 646464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 647a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 648b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 649b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 650b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 651183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 652b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 653b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 654b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 655b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 656b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 657b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 658b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 659b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 660b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 6618b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 662af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 663af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 6645d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 6655d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 6664ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) const { 667dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 668dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 6694081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall bool UseAlignAttrOnly = false; 6704081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (unsigned AlignFromAttr = D->getMaxAlignment()) { 6714081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall Align = AlignFromAttr; 6724081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall 6734081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // __attribute__((aligned)) can increase or decrease alignment 6744081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // *except* on a struct or struct member, where it only increases 6754081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // alignment unless 'packed' is also specified. 6764081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // 6774081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // It is an error for [[align]] to decrease alignment, so we can 6784081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // ignore that possibility; Sema should diagnose it. 6794081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (isa<FieldDecl>(D)) { 6804081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = D->hasAttr<PackedAttr>() || 6814081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 6824081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else { 6834081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = true; 6844081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 6854081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 68678a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian else if (isa<FieldDecl>(D)) 68778a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian UseAlignAttrOnly = 68878a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian D->hasAttr<PackedAttr>() || 68978a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 690dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 691ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // If we're using the align attribute only, just ignore everything 692ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // else about the declaration and its type. 6934081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (UseAlignAttrOnly) { 694ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // do nothing 695ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 6964081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 697af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 6986217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 6995d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 7005d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 7015d484e8cf710207010720589d89602233de61d01Sebastian Redl else 7025d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 7035d484e8cf710207010720589d89602233de61d01Sebastian Redl } 7045d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 7053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Adjust alignments of declarations with array type by the 7063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // large-array alignment on the target. 7076deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned MinWidth = Target.getLargeArrayMinWidth(); 7083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *arrayType; 7093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (MinWidth && (arrayType = getAsArrayType(T))) { 7103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (isa<VariableArrayType>(arrayType)) 7113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Align = std::max(Align, Target.getLargeArrayAlign()); 7123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall else if (isa<ConstantArrayType>(arrayType) && 7133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall MinWidth <= getTypeSize(cast<ConstantArrayType>(arrayType))) 7143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Align = std::max(Align, Target.getLargeArrayAlign()); 7153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 7163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Walk through any array types while we're at it. 7173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall T = getBaseElementType(arrayType); 7186deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola } 7199f1210c3280104417a4ad30f0a00825ac8fa718aChad Rosier Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 720dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 721ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 722ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Fields can be subject to extra alignment constraints, like if 723ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the field is packed, the struct is packed, or the struct has a 724ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // a max-field-alignment constraint (#pragma pack). So calculate 725ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the actual alignment of the field within the struct, and then 726ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // (as we're expected to) constrain that by the alignment of the type. 727ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (const FieldDecl *field = dyn_cast<FieldDecl>(VD)) { 728ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // So calculate the alignment of the field. 729ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall const ASTRecordLayout &layout = getASTRecordLayout(field->getParent()); 730ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 731ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Start with the record's overall alignment. 732dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck unsigned fieldAlign = toBits(layout.getAlignment()); 733ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 734ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Use the GCD of that and the offset within the record. 735ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t offset = layout.getFieldOffset(field->getFieldIndex()); 736ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (offset > 0) { 737ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Alignment is always a power of 2, so the GCD will be a power of 2, 738ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // which means we get to do this crazy thing instead of Euclid's. 739ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t lowBitOfOffset = offset & (~offset + 1); 740ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (lowBitOfOffset < fieldAlign) 741ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall fieldAlign = static_cast<unsigned>(lowBitOfOffset); 742ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall } 743ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 744ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall Align = std::min(Align, fieldAlign); 74505f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 746af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 747dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 748eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(Align); 749af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 750b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 751ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 752bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(const Type *T) const { 753ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 754eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return std::make_pair(toCharUnitsFromBits(Info.first), 755eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck toCharUnitsFromBits(Info.second)); 756ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 757ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 758ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 759bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(QualType T) const { 760ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 761ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 762ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 763a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 764a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 7650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 7660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 7670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 7680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 769d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 7704ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getTypeInfo(const Type *T) const { 7715e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 7725e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 773a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 77472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 77572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 77618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 77772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 77872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 779d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall llvm_unreachable("Should not see dependent types"); 78072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 78172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 7825d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 7835d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 78418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 78518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 78618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 78718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 78818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 78972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 790fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 79118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 79218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 79318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 79418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 795fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 7961d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 7971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 79898be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 7999e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 800030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 801cd88b4171753dcb2bc0a21d78f1597c796bb8a20Argyrios Kyrtzidis Width = llvm::RoundUpToAlignment(Width, Align); 802030d8846c7e520330007087e949f621989876e3aChris Lattner break; 8035c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 804213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 805030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 8069fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 8079fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 8089fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 8094bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 8106fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 8116fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 8128eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 8139fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 8149fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 8159fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 816030d8846c7e520330007087e949f621989876e3aChris Lattner break; 817030d8846c7e520330007087e949f621989876e3aChris Lattner } 8185d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 8199e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 820a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 821692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 822d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 82318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 82418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 82518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 82618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 82718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 8286f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 8299e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 8309e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 8316f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 832692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 833692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 834692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 8356f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 8369e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 8379e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 8386f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 8393f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 8403f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 84164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 84264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 84364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 844f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 845f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar16Width(); 846f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar16Align(); 847f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 848f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 849f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar32Width(); 850f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar32Align(); 851f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 852692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 8536f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 8549e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 8559e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 8566f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 857692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 8586f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 8599e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 8609e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 8616f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 862692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 8636f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 8649e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 8659e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 8666f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 867692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 8686f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 8699e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 8709e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 8716f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 872ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 873ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 874ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 875ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 876ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 8776f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 8789e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 8799e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 8806f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 8816f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 8825426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 8835426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 8846f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 8856f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 8869e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 8879e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 8886f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 8896e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 8906e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Width = Target.getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 8916e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Align = Target.getPointerAlign(0); // == sizeof(void*) 8921590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 893e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCId: 894e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCClass: 895e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCSel: 896e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Width = Target.getPointerWidth(0); 897e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Align = Target.getPointerAlign(0); 898e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian break; 899a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 900bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 901d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 9025426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 903f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 9046f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 905485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 906207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace( 907207f4d8543529221932af82836016a2ef066c917Peter Collingbourne cast<BlockPointerType>(T)->getPointeeType()); 908485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 909485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 910485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 911485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 9125d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 9135d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 9145d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 9155d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 916207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace( 917207f4d8543529221932af82836016a2ef066c917Peter Collingbourne cast<ReferenceType>(T)->getPointeeType()); 9185d484e8cf710207010720589d89602233de61d01Sebastian Redl Width = Target.getPointerWidth(AS); 9195d484e8cf710207010720589d89602233de61d01Sebastian Redl Align = Target.getPointerAlign(AS); 9205d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 9215d484e8cf710207010720589d89602233de61d01Sebastian Redl } 922f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 923207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace(cast<PointerType>(T)->getPointeeType()); 9245426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 925f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 926f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 927f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 928f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 929071cc7deffad608165b1ddd5263e8bf181861520Charles Davis const MemberPointerType *MPT = cast<MemberPointerType>(T); 9301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 9311cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 932071cc7deffad608165b1ddd5263e8bf181861520Charles Davis Width = PtrDiffInfo.first * ABI->getMemberPointerSize(MPT); 9331cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 9341cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 935f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 9365d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 9375d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 9385d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 9391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 94098be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 9419e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 9425d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 9435d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 9445d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 945c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 946c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 94744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 9481d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 94944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 950dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 951dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 95244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 95344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 95472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 95572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 9561d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 9571d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 9581d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 95922ce41d9fc8509da65858c75bf5b3c4dae2d8c04Douglas Gregor Width = 8; 96022ce41d9fc8509da65858c75bf5b3c4dae2d8c04Douglas Gregor Align = 8; 9618389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 9628389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 9631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9641d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 9657176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 9667176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 9671d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 9687176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 969dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 970dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 971dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 972a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 9737532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 9749fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 97549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 97649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 97749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 97834b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: { 97934b41d939a1328f484511c6002ba2456db879a29Richard Smith const AutoType *A = cast<AutoType>(T); 98034b41d939a1328f484511c6002ba2456db879a29Richard Smith assert(A->isDeduced() && "Cannot request the size of a dependent type"); 981dc856aff4428380baa9afb5577ea04f8fb6beb13Matt Beaumont-Gay return getTypeInfo(A->getDeducedType().getTypePtr()); 98234b41d939a1328f484511c6002ba2456db879a29Richard Smith } 98334b41d939a1328f484511c6002ba2456db879a29Richard Smith 984075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara case Type::Paren: 985075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return getTypeInfo(cast<ParenType>(T)->getInnerType().getTypePtr()); 986075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 98718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 988162e1c1b487352434552147967c3dd296ebee2f7Richard Smith const TypedefNameDecl *Typedef = cast<TypedefType>(T)->getDecl(); 989df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor std::pair<uint64_t, unsigned> Info 990df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor = getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 991c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // If the typedef has an aligned attribute on it, it overrides any computed 992c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // alignment we have. This violates the GCC documentation (which says that 993c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // attribute(aligned) can only round up) but matches its implementation. 994c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner if (unsigned AttrAlign = Typedef->getMaxAlignment()) 995c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = AttrAlign; 996c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner else 997c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = Info.second; 998df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Width = Info.first; 9997532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 10007176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 100118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 100218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 100318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 100418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 100518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 100618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 100718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 100818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 1009395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 1010395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 1011395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 1012395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 1013ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt case Type::UnaryTransform: 1014ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return getTypeInfo(cast<UnaryTransformType>(T)->getUnderlyingType()); 1015ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 1016465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 1017465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 10181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10199d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall case Type::Attributed: 10209d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return getTypeInfo( 10219d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall cast<AttributedType>(T)->getEquivalentType().getTypePtr()); 10229d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 10233e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith case Type::TemplateSpecialization: { 10241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 102518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 10263e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith const TemplateSpecializationType *TST = cast<TemplateSpecializationType>(T); 10273e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // A type alias template specialization may refer to a typedef with the 10283e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // aligned attribute on it. 10293e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TST->isTypeAlias()) 10303e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return getTypeInfo(TST->getAliasedType().getTypePtr()); 10313e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else 10323e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return getTypeInfo(getCanonicalType(T)); 10333e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 10343e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 103518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 10361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1037464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 10389e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 1039a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 1040a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1041eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck/// toCharUnitsFromBits - Convert a size in bits to a size in characters. 1042eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen DyckCharUnits ASTContext::toCharUnitsFromBits(int64_t BitSize) const { 1043eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return CharUnits::fromQuantity(BitSize / getCharWidth()); 1044eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck} 1045eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck 1046dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck/// toBits - Convert a size in characters to a size in characters. 1047dd76a9ab9ea675671200f94b18ce95766841952bKen Dyckint64_t ASTContext::toBits(CharUnits CharSize) const { 1048dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck return CharSize.getQuantity() * getCharWidth(); 1049dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck} 1050dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck 1051bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 1052bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 10534ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(QualType T) const { 1054eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 1055bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 10564ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(const Type *T) const { 1057eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 1058bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 1059bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 106016e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 106186fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 10624ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(QualType T) const { 1063eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 106486fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 10654ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(const Type *T) const { 1066eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 106786fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 106886fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 106934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 107034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 107134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 107234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 10734ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getPreferredTypeAlign(const Type *T) const { 107434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 10751eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 10761eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 1077183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 10781eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 10791eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 10801eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 10811eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 10821eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 108334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 108434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 108534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 10862c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// DeepCollectObjCIvars - 10872c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// This routine first collects all declared, but not synthesized, ivars in 10882c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// super class and then collects all ivars, including those synthesized for 10892c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// current class. This routine is used for implementation of current class 10902c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// when all ivars, declared and synthesized are known. 10919820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 10922c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanianvoid ASTContext::DeepCollectObjCIvars(const ObjCInterfaceDecl *OI, 10932c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian bool leafClass, 1094db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose SmallVectorImpl<const ObjCIvarDecl*> &Ivars) const { 10952c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 10962c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(SuperClass, false, Ivars); 10972c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (!leafClass) { 10982c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 10992c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian E = OI->ivar_end(); I != E; ++I) 110011062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 110111062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian } 1102bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian else { 1103bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian ObjCInterfaceDecl *IDecl = const_cast<ObjCInterfaceDecl *>(OI); 1104db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose for (const ObjCIvarDecl *Iv = IDecl->all_declared_ivar_begin(); Iv; 1105bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian Iv= Iv->getNextIvar()) 1106bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian Ivars.push_back(Iv); 1107bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian } 11089820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 11099820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 1110e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 1111e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 1112e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 1113432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 1114e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 111553b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // We can use protocol_iterator here instead of 111653b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // all_referenced_protocol_iterator since we are walking all categories. 111753b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCInterfaceDecl::all_protocol_iterator P = OI->all_referenced_protocol_begin(), 111853b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek PE = OI->all_referenced_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(), 1122b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 1123b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 1124e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1125e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1126b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 1127e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 1128e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 1129e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 1130e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 1131e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 1132e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 1133e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 1134e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 1135e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 1136e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1137b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 113853b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCCategoryDecl::protocol_iterator P = OC->protocol_begin(), 1139e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 1140e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1141432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1142e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1143e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1144e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1145e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1146b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 1147e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 1148e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 1149e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1150432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1151e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1152e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1153e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1154e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1155e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1156e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 1157e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 11584ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) const { 11593bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 11603bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 116180aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian for (const ObjCCategoryDecl *CDecl = OI->getFirstClassExtension(); CDecl; 116280aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian CDecl = CDecl->getNextClassExtension()) 1163b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 1164b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 11653bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 11663bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 11673bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 1168b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 1169b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 11708e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 11718e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 11728e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 11738a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 11748a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 11758a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 11768a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 11778a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 11788a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 11798a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 11808a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11818a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 11828a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 11838a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 11848a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 11858a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 11868a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 11878a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 11888a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11898a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 11908a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 11918a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 11928a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 11938a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 11948a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 11958a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11968a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 11978a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 11988a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 11998a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 12008a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 12018a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 12028a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 12031ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Get the copy initialization expression of VarDecl,or NULL if 12041ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// none exists. 1205830937bc1100fba7682f7c32c40512085870f50cFariborz JahanianExpr *ASTContext::getBlockVarCopyInits(const VarDecl*VD) { 1206d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD && "Passed null params"); 1207d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1208d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "getBlockVarCopyInits - not __block var"); 1209830937bc1100fba7682f7c32c40512085870f50cFariborz Jahanian llvm::DenseMap<const VarDecl*, Expr*>::iterator 1210d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian I = BlockVarCopyInits.find(VD); 12111ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian return (I != BlockVarCopyInits.end()) ? cast<Expr>(I->second) : 0; 12121ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 12131ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 12141ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Set the copy inialization expression of a block var decl. 12151ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanianvoid ASTContext::setBlockVarCopyInits(VarDecl*VD, Expr* Init) { 12161ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian assert(VD && Init && "Passed null params"); 1217d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1218d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "setBlockVarCopyInits - not __block var"); 12191ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian BlockVarCopyInits[VD] = Init; 12201ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 12211ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 1222a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 1223b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1224a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 1225b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 1226b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1227b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 1228b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 1229b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 1230a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 12314ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned DataSize) const { 1232109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 1233109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 1234109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 1235109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 1236a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 1237109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 1238a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 1239a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 1240a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 1241a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 1242b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 1243b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1244a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 12456952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor SourceLocation L) const { 1246a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 1247c21c7e9c2cded68f91be15be6847c9649242dc17Douglas Gregor DI->getTypeLoc().initialize(const_cast<ASTContext &>(*this), L); 1248a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 1249a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 1250a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 1251b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 12524ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) const { 1253b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 1254b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1255b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1256b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 12574ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCImplementationLayout( 12584ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ObjCImplementationDecl *D) const { 1259b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 1260b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1261b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1262a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1263a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 1264a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1265a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 12664ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 12673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallASTContext::getExtQualType(const Type *baseType, Qualifiers quals) const { 12683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned fastQuals = quals.getFastQualifiers(); 12693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall quals.removeFastQualifiers(); 12700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 12710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 12720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 12733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals::Profile(ID, baseType, quals); 12743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 12753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ExtQuals *eq = ExtQualNodes.FindNodeOrInsertPos(ID, insertPos)) { 12763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(eq->getQualifiers() == quals); 12773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 12780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 12790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 12803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the base type is not canonical, make the appropriate canonical type. 12813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 12823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!baseType->isCanonicalUnqualified()) { 12833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = baseType->getCanonicalTypeInternal().split(); 12843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonSplit.second.addConsistentQualifiers(quals); 12853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getExtQualType(canonSplit.first, canonSplit.second); 12863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 12873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Re-find the insert position. 12883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall (void) ExtQualNodes.FindNodeOrInsertPos(ID, insertPos); 12893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 12903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 12913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals *eq = new (*this, TypeAlignment) ExtQuals(baseType, canon, quals); 12923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQualNodes.InsertNode(eq, insertPos); 12933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 12940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 12950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 12964ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 12974ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) const { 1298f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1299f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1300f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1301b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 13020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 13030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 13040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 13050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 13061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 13080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 13090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 13100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 13110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 13121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1314ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1315ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1316b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 13174ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Qualifiers::GC GCAttr) const { 1318d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1319b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1320d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 13211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13227f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (const PointerType *ptr = T->getAs<PointerType>()) { 13237f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall QualType Pointee = ptr->getPointeeType(); 132458f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 13254027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 13264027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 13274027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 13284027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 13291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 13310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 13320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 13330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 13341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 13360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 13370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 13380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 13390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 13401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1342d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1343a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1344e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCallconst FunctionType *ASTContext::adjustFunctionType(const FunctionType *T, 1345e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionType::ExtInfo Info) { 1346e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (T->getExtInfo() == Info) 1347e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return T; 1348e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1349e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType Result; 1350e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(T)) { 1351e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionNoProtoType(FNPT->getResultType(), Info); 1352e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } else { 1353e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall const FunctionProtoType *FPT = cast<FunctionProtoType>(T); 1354e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 1355e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall EPI.ExtInfo = Info; 1356e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1357e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FPT->getNumArgs(), EPI); 1358e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 1359e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1360e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return cast<FunctionType>(Result.getTypePtr()); 1361e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall} 1362e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 13635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 13645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 13654ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getComplexType(QualType T) const { 13665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 13675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 13685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 13695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 13701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 13735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 13741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 13765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 13775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1378467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1379f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 13801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1383c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 13845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13856b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 13865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 13885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 13925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 13934ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPointerType(QualType T) const { 13945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 13955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 13965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 13975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 13981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 14015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 14021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 14045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 14055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1406467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1407f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 14081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1411c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14136b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 14145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 14165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 14205618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 14214ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockPointerType(QualType T) const { 1422296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1423296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 14245618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 14255618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 14265618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 14271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14285618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 14295618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 14305618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 14315618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 14321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 14345618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 14355618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1436467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 14375618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 14381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14395618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 14405618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 14415618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1442c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14435618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 14446b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 14456b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 14465618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 14475618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 14485618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 14495618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 14505618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 14517c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 14527c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 14534ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 14544ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) const { 14559625e44c0252485277a340746ed8ac950686156fDouglas Gregor assert(getCanonicalType(T) != OverloadTy && 14569625e44c0252485277a340746ed8ac950686156fDouglas Gregor "Unresolved overloaded function type"); 14579625e44c0252485277a340746ed8ac950686156fDouglas Gregor 14585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 14595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 14605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 146154e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 14625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14647c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 14657c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 14665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 14677c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 146854e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 146954e14c4db764c0636160d26c5bbf491637c83a76John McCall 14705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 14715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 14725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 147354e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 147454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 147554e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 14767c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14777c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 14787c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 14797c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1480c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14817c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 14827c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14836b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 148454e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 148554e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 14867c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 14877c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 148854e14c4db764c0636160d26c5bbf491637c83a76John McCall 14897c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 14907c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 14917c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14927c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 14937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 14944ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRValueReferenceType(QualType T) const { 14957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 14967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 14977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 149854e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 14997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15007c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 15017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 15027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 15037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 15047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 150554e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 150654e14c4db764c0636160d26c5bbf491637c83a76John McCall 15077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 15087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 15097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 151054e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 151154e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 151254e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 15137c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 15157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 15167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1517c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15206b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 15216b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 15225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 15237c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 15245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1527f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1528f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 15294ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) const { 1530f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1531f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1532f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1533f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1534f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1535f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1536f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1537f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1538f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1539f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1540f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1541f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1542f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 154387c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1544f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1545f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1546f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1547f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1548f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1549c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 1550f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 15516b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 15526b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1553f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1554f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1555f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1556f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1557f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 15581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1559fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 15601eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 156138aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1562c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 156363e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals) const { 1564923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1565923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1566587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1567587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 156838aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 156938aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 157038aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 15719f71a8f4c7a182a5236da9e747d57cc1d1bd24c2Jay Foad ArySize = 1572207f4d8543529221932af82836016a2ef066c917Peter Collingbourne ArySize.zextOrTrunc(Target.getPointerWidth(getTargetAddressSpace(EltTy))); 15731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 157563e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, IndexTypeQuals); 15761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 15797192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 15805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 15811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the element type isn't canonical or has qualifiers, this won't 15833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // be a canonical type either, so fill in the canonical type field. 15843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 15853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 15863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 15873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getConstantArrayType(QualType(canonSplit.first, 0), ArySize, 158863e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ASM, IndexTypeQuals); 15893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getQualifiedType(Canon, canonSplit.second); 15903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 15915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 15921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 15937192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1594c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15976b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 159863e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType(EltTy, Canon, ArySize, ASM, IndexTypeQuals); 15997192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 16005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 16015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 16025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1604ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// getVariableArrayDecayedType - Turns the given type, which may be 1605ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// variably-modified, into the corresponding type with all the known 1606ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// sizes replaced with [*]. 1607ce8890371fcdb983ae487c87fa40606a34896ff7John McCallQualType ASTContext::getVariableArrayDecayedType(QualType type) const { 1608ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Vastly most common case. 1609ce8890371fcdb983ae487c87fa40606a34896ff7John McCall if (!type->isVariablyModifiedType()) return type; 1610ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1611ce8890371fcdb983ae487c87fa40606a34896ff7John McCall QualType result; 1612ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1613ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SplitQualType split = type.getSplitDesugaredType(); 1614ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const Type *ty = split.first; 1615ce8890371fcdb983ae487c87fa40606a34896ff7John McCall switch (ty->getTypeClass()) { 1616ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define TYPE(Class, Base) 1617ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define ABSTRACT_TYPE(Class, Base) 1618ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 1619ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#include "clang/AST/TypeNodes.def" 1620ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("didn't desugar past all non-canonical types?"); 1621ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1622ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types should never be variably-modified. 1623ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Builtin: 1624ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Complex: 1625ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Vector: 1626ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ExtVector: 1627ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedExtVector: 1628ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObject: 1629ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCInterface: 1630ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObjectPointer: 1631ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Record: 1632ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Enum: 1633ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::UnresolvedUsing: 1634ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOfExpr: 1635ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOf: 1636ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Decltype: 1637ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt case Type::UnaryTransform: 1638ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentName: 1639ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::InjectedClassName: 1640ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateSpecialization: 1641ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentTemplateSpecialization: 1642ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateTypeParm: 1643ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::SubstTemplateTypeParmPack: 164434b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: 1645ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::PackExpansion: 1646ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("type should never be variably-modified"); 1647ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1648ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified but should never need to 1649ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // further decay. 1650ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionNoProto: 1651ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionProto: 1652ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::BlockPointer: 1653ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::MemberPointer: 1654ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return type; 1655ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1656ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified. All these modifications 1657ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // preserve structure except as noted by comments. 1658ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // TODO: if we ever care about optimizing VLAs, there are no-op 1659ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // optimizations available here. 1660ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Pointer: 1661ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getPointerType(getVariableArrayDecayedType( 1662ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cast<PointerType>(ty)->getPointeeType())); 1663ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1664ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1665ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::LValueReference: { 1666ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const LValueReferenceType *lv = cast<LValueReferenceType>(ty); 1667ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getLValueReferenceType( 1668ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType()), 1669ce8890371fcdb983ae487c87fa40606a34896ff7John McCall lv->isSpelledAsLValue()); 1670ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1671745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1672ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1673ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::RValueReference: { 1674ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const RValueReferenceType *lv = cast<RValueReferenceType>(ty); 1675ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getRValueReferenceType( 1676ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType())); 1677ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1678745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1679745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1680ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ConstantArray: { 1681ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const ConstantArrayType *cat = cast<ConstantArrayType>(ty); 1682ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getConstantArrayType( 1683ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(cat->getElementType()), 1684ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSize(), 1685ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSizeModifier(), 1686ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getIndexTypeCVRQualifiers()); 1687ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1688745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1689745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1690ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedArray: { 1691ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const DependentSizedArrayType *dat = cast<DependentSizedArrayType>(ty); 1692ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getDependentSizedArrayType( 1693ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(dat->getElementType()), 1694ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeExpr(), 1695ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeModifier(), 1696ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getIndexTypeCVRQualifiers(), 1697ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getBracketsRange()); 1698ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1699ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1700ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1701ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn incomplete types into [*] types. 1702ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::IncompleteArray: { 1703ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const IncompleteArrayType *iat = cast<IncompleteArrayType>(ty); 1704ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1705ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(iat->getElementType()), 1706ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1707ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Normal, 1708ce8890371fcdb983ae487c87fa40606a34896ff7John McCall iat->getIndexTypeCVRQualifiers(), 1709ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SourceRange()); 1710ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1711ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1712ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1713ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn VLA types into [*] types. 1714ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::VariableArray: { 1715ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const VariableArrayType *vat = cast<VariableArrayType>(ty); 1716ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1717ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(vat->getElementType()), 1718ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1719ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Star, 1720ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getIndexTypeCVRQualifiers(), 1721ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getBracketsRange()); 1722ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1723ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1724ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1725ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1726ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Apply the top-level qualifiers from the original. 1727ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return getQualifiedType(result, split.second); 1728ce8890371fcdb983ae487c87fa40606a34896ff7John McCall} 1729745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1730bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1731bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 17327e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 17337e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1734c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 173563e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals, 17364ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceRange Brackets) const { 1737c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1738c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 17393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 1740715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 17413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Be sure to pull qualifiers off the element type. 17423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 17433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 17443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getVariableArrayType(QualType(canonSplit.first, 0), NumElts, ASM, 174563e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara IndexTypeQuals, Brackets); 17463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getQualifiedType(Canon, canonSplit.second); 1747715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor } 1748715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 17496b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 175063e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara VariableArrayType(EltTy, Canon, NumElts, ASM, IndexTypeQuals, Brackets); 1751c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1752c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1753c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1754c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1755c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1756c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1757898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1758898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 175904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 17603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getDependentSizedArrayType(QualType elementType, 17613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Expr *numElements, 1762898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 17633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals, 17643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SourceRange brackets) const { 17653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert((!numElements || numElements->isTypeDependent() || 17663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements->isValueDependent()) && 1767898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1768898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 17693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Dependently-sized array types that do not have a specified number 17703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of elements will have their sizes deduced from a dependent 17713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // initializer. We do no canonicalization here at all, which is okay 17723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // because they can't be used in most locations. 17733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!numElements) { 17743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *newType 17753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 17763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, QualType(), 17773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements, ASM, elementTypeQuals, 17783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 17793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 17803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1781cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1782cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 17833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we actually build a new type every time, but we 17843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // also build a canonical type. 17851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonElementType = getCanonicalType(elementType).split(); 1787898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 17883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 17893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall llvm::FoldingSetNodeID ID; 17903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType::Profile(ID, *this, 17913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(canonElementType.first, 0), 17923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, numElements); 17933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Look for an existing type with these properties. 17953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *canonTy = 17963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.FindNodeOrInsertPos(ID, insertPos); 17973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we don't have one, build one. 17993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!canonTy) { 18003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonTy = new (*this, TypeAlignment) 18013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, QualType(canonElementType.first, 0), 18023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(), numElements, ASM, elementTypeQuals, 18033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 18043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.InsertNode(canonTy, insertPos); 18053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(canonTy); 18063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 18073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Apply qualifiers from the element type to the array. 18093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon = getQualifiedType(QualType(canonTy,0), 18103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonElementType.second); 18113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we didn't need extra canonicalization for the element type, 18133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // then just use that as our result. 18143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (QualType(canonElementType.first, 0) == elementType) 18153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return canon; 18163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we need to build a type which follows the spelling 18183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of the element type. 18193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *sugaredType 18203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 18213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, canon, numElements, 18223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, brackets); 18233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(sugaredType); 18243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(sugaredType, 0); 18253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 18263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getIncompleteArrayType(QualType elementType, 1828c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 18293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals) const { 1830c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 18313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType::Profile(ID, elementType, ASM, elementTypeQuals); 1832c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 18333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 18343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (IncompleteArrayType *iat = 18353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos)) 18363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(iat, 0); 1837c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1838c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 18393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // either, so fill in the canonical type field. We also have to pull 18403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // qualifiers off the element type. 18413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 1842c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 18433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!elementType.isCanonical() || elementType.hasLocalQualifiers()) { 18443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(elementType).split(); 18453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getIncompleteArrayType(QualType(canonSplit.first, 0), 18463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals); 18473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getQualifiedType(canon, canonSplit.second); 1848c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1849c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 18503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *existing = 18513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos); 18523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!existing && "Shouldn't be in the map!"); (void) existing; 18532bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1854c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 18553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *newType = new (*this, TypeAlignment) 18563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType(elementType, canon, ASM, elementTypeQuals); 1857c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 18583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.InsertNode(newType, insertPos); 18593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 18603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1861fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1862fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 186373322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 186473322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 186582287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 18664ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad VectorType::VectorKind VecKind) const { 18673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(vecType->isBuiltinType()); 18681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 18705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1871e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::Profile(ID, vecType, NumElts, Type::Vector, VecKind); 1872788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 18735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 18745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 18755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 18765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 18785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 18795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1880255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (!vecType.isCanonical()) { 1881231da7eb3dd13007e5e40fffe48998e5ef284e06Bob Wilson Canonical = getVectorType(getCanonicalType(vecType), NumElts, VecKind); 18821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 18845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1885c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 18865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18876b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 1888e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(vecType, NumElts, Canonical, VecKind); 18895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 18905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 18915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 18925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1894213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 189573322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 18964ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 18974ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getExtVectorType(QualType vecType, unsigned NumElts) const { 18984ac01401b1ec602a1f58c217544d3dcb5fcbd7f1Douglas Gregor assert(vecType->isBuiltinType() || vecType->isDependentType()); 18991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 190073322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 190173322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 1902788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, 1903e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 190473322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 190573322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 190673322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 190773322924127c873c13101b705dd823f5539ffa5fSteve Naroff 190873322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 190973322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 191073322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1911467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1912213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 19131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 191473322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 191573322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1916c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 191773322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 19186b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 19196b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 192073322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 192173322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 192273322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 192373322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 192473322924127c873c13101b705dd823f5539ffa5fSteve Naroff 19254ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 19264ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentSizedExtVectorType(QualType vecType, 19274ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Expr *SizeExpr, 19284ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation AttrLoc) const { 19292ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 19301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 19312ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 19321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19332ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 19342ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 19352ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 19362ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 19372ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 19382ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 19392ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 19406b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 19416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 19426b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 19432ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 19442ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 19452ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 19466b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 19476b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 19486b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 1949789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1950789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 1951789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1952789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 1953789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 19542ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 19552ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 19562ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 19572ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 19586b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 19596b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 19602ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 19612ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 19621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19639cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 19649cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 19659cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 19669cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 196772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 19685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 19694ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 19704ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionNoProtoType(QualType ResultTy, 19714ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionType::ExtInfo &Info) const { 1972cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv DefaultCC = Info.getCC(); 1973cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv CallConv = (LangOpts.MRTD && DefaultCC == CC_Default) ? 1974cfe9af250f466e7e38becea4428990448ae07737Roman Divacky CC_X86StdCall : DefaultCC; 19755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 19765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 19775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1978264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 19791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 19811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 198272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 19835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 19841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1986ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 198704a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 1988264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 1989264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 1990264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 19911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 199372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 199472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1995c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 19965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1998cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionProtoType::ExtInfo newInfo = Info.withCallingConv(CallConv); 19996b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 2000cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionNoProtoType(ResultTy, Canonical, newInfo); 20015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 200272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 20035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 20045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 20055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 20075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 20084ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 20094ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionType(QualType ResultTy, 20104ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const QualType *ArgArray, unsigned NumArgs, 20114ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionProtoType::ExtProtoInfo &EPI) const { 20125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 20135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 20145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 20158026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, EPI, *this); 20165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 20181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 201972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 20205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 2021465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2022465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 20238b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl bool isCanonical= EPI.ExceptionSpecType == EST_None && ResultTy.isCanonical(); 20245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 202554e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 20265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 20275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2028cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv DefaultCC = EPI.ExtInfo.getCC(); 2029cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv CallConv = (LangOpts.MRTD && DefaultCC == CC_Default) ? 2030cfe9af250f466e7e38becea4428990448ae07737Roman Divacky CC_X86StdCall : DefaultCC; 2031e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 20325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 2033465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 20345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 203504a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 20365f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 16> CanonicalArgs; 20375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 20385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 203954e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 2040465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2041e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo CanonicalEPI = EPI; 20428b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl CanonicalEPI.ExceptionSpecType = EST_None; 20438b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl CanonicalEPI.NumExceptions = 0; 2044e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.ExtInfo 2045e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall = CanonicalEPI.ExtInfo.withCallingConv(getCanonicalCallConv(CallConv)); 2046e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2047f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 2048beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 2049e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI); 2050465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 20515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 205272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 205372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 2054c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 20555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2056465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2057f85e193739c953358c865005855253af4f68a497John McCall // FunctionProtoType objects are allocated with extra bytes after 2058f85e193739c953358c865005855253af4f68a497John McCall // them for three variable size arrays at the end: 2059f85e193739c953358c865005855253af4f68a497John McCall // - parameter types 2060f85e193739c953358c865005855253af4f68a497John McCall // - exception types 2061f85e193739c953358c865005855253af4f68a497John McCall // - consumed-arguments flags 2062f85e193739c953358c865005855253af4f68a497John McCall // Instead of the exception types, there could be a noexcept 2063f85e193739c953358c865005855253af4f68a497John McCall // expression. 2064e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall size_t Size = sizeof(FunctionProtoType) + 206560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NumArgs * sizeof(QualType); 206660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EPI.ExceptionSpecType == EST_Dynamic) 206760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl Size += EPI.NumExceptions * sizeof(QualType); 206860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl else if (EPI.ExceptionSpecType == EST_ComputedNoexcept) { 20698026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl Size += sizeof(Expr*); 207060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 2071f85e193739c953358c865005855253af4f68a497John McCall if (EPI.ConsumedArguments) 2072f85e193739c953358c865005855253af4f68a497John McCall Size += NumArgs * sizeof(bool); 2073f85e193739c953358c865005855253af4f68a497John McCall 2074e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType *FTP = (FunctionProtoType*) Allocate(Size, TypeAlignment); 2075cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionProtoType::ExtProtoInfo newEPI = EPI; 2076cfe9af250f466e7e38becea4428990448ae07737Roman Divacky newEPI.ExtInfo = EPI.ExtInfo.withCallingConv(CallConv); 20778026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, Canonical, newEPI); 20785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 207972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 20805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 20815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 20825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20833cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 20843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 20853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 20863cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 20873cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 20883cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 20893cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 20903cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 20913cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 20923cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 20933cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 20943cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 20953cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 20963cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 20973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 20983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 20994ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType TST) const { 21003cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 21013cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 21023cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 210337ffed3b7f229844cae2463ff82b527506c86c74Argyrios Kyrtzidis } else if (CXXRecordDecl *PrevDecl = Decl->getPreviousDeclaration()) { 21043cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 21053cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 21063cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 21073cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 2108f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = 210931f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 2110f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2111f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 21123cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 21133cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 21143cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 21153cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 21162ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 21172ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 21184ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) const { 21191e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 2120becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 21211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2122162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (const TypedefNameDecl *Typedef = dyn_cast<TypedefNameDecl>(Decl)) 21232ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 2124becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 2125becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 2126becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 2127becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 212819c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 2129becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 2130becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 2131becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 2132400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getRecordType(Record); 213319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 2134becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 2135becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 2136400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getEnumType(Enum); 213719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 2138ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 2139f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = new (*this, TypeAlignment) UnresolvedUsingType(Using); 2140f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2141f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 21429fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 2143becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 214449aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 214549aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 21462ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 21472ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 21485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 2149162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// specified typedef name decl. 21509763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2151162e1c1b487352434552147967c3dd296ebee2f7Richard SmithASTContext::getTypedefType(const TypedefNameDecl *Decl, 2152162e1c1b487352434552147967c3dd296ebee2f7Richard Smith QualType Canonical) const { 21535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 21541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21559763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (Canonical.isNull()) 21569763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canonical = getCanonicalType(Decl->getUnderlyingType()); 2157f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall TypedefType *newType = new(*this, TypeAlignment) 21586b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 2159f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2160f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2161f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 21625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 21635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21644ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRecordType(const RecordDecl *Decl) const { 2165400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2166400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2167400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const RecordDecl *PrevDecl = Decl->getPreviousDeclaration()) 2168400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2169400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2170400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2171f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall RecordType *newType = new (*this, TypeAlignment) RecordType(Decl); 2172f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2173f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2174f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2175400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2176400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 21774ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getEnumType(const EnumDecl *Decl) const { 2178400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2179400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2180400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const EnumDecl *PrevDecl = Decl->getPreviousDeclaration()) 2181400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2182400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2183400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2184f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall EnumType *newType = new (*this, TypeAlignment) EnumType(Decl); 2185f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2186f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2187f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2188400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2189400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 21909d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallQualType ASTContext::getAttributedType(AttributedType::Kind attrKind, 21919d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modifiedType, 21929d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType equivalentType) { 21939d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall llvm::FoldingSetNodeID id; 21949d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType::Profile(id, attrKind, modifiedType, equivalentType); 21959d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 21969d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall void *insertPos = 0; 21979d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType *type = AttributedTypes.FindNodeOrInsertPos(id, insertPos); 21989d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall if (type) return QualType(type, 0); 21999d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 22009d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType canon = getCanonicalType(equivalentType); 22019d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall type = new (*this, TypeAlignment) 22029d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType(canon, attrKind, modifiedType, equivalentType); 22039d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 22049d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Types.push_back(type); 22059d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypes.InsertNode(type, insertPos); 22069d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 22079d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return QualType(type, 0); 22089d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall} 22099d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 22109d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 221149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 221249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 221349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 22144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Replacement) const { 2215467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 221649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 221749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 221849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 221949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 222049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 222149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 222249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 222349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 222449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 222549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 222649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 222749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 222849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 222949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 223049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 223149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 223249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 223349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 2234c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// \brief Retrieve a 2235c3069d618f4661d923cb1b5c4525b082fce73b04Douglas GregorQualType ASTContext::getSubstTemplateTypeParmPackType( 2236c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Parm, 2237c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack) { 2238c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#ifndef NDEBUG 2239c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor for (TemplateArgument::pack_iterator P = ArgPack.pack_begin(), 2240c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor PEnd = ArgPack.pack_end(); 2241c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor P != PEnd; ++P) { 2242c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getKind() == TemplateArgument::Type &&"Pack contains a non-type"); 2243c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getAsType().isCanonical() && "Pack contains non-canonical type"); 2244c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2245c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#endif 2246c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2247c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor llvm::FoldingSetNodeID ID; 2248c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType::Profile(ID, Parm, ArgPack); 2249c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor void *InsertPos = 0; 2250c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (SubstTemplateTypeParmPackType *SubstParm 2251c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos)) 2252c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2253c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2254c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType Canon; 2255c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (!Parm->isCanonicalUnqualified()) { 2256c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getCanonicalType(QualType(Parm, 0)); 2257c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getSubstTemplateTypeParmPackType(cast<TemplateTypeParmType>(Canon), 2258c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2259c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos); 2260c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2261c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2262c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType *SubstParm 2263c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = new (*this, TypeAlignment) SubstTemplateTypeParmPackType(Parm, Canon, 2264c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2265c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Types.push_back(SubstParm); 2266c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 2267c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2268c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor} 2269c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2270fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 22711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 227276e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 22731eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 227476e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 22754fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *TTPDecl) const { 2276fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 22774fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, TTPDecl); 2278fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 22791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 2280fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2281fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2282fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 2283fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 22841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22854fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth if (TTPDecl) { 228676e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 22874fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TypeParm = new (*this, TypeAlignment) TemplateTypeParmType(TTPDecl, Canon); 2288789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2289789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 2290789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2291789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 2292789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 229376e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 22946b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 22956b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 2296fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2297fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 2298fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 2299fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2300fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 2301fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 2302fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 23033cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 23043cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 23053cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 23063cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 23073e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 23087c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Name.getAsDependentTemplateName() && 23097c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 23103e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType TST = getTemplateSpecializationType(Name, Args, Underlying); 23113cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 23123cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 23133cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 23143cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 23153cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 23163cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 23173cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 23183cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 23193cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 23203cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 23213cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 23223cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 23231eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 23247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 2325d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 23263e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 23277c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 23287c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 23297c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 2330d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 2331d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 23325f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 4> ArgVec; 2333833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 2334833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 2335833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 2336833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 233731f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 23383e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Underlying); 2339833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 2340833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2341833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 2342833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 23437532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 23447532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 23453e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 23467c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 23477c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 23480f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor // Look through qualified template names. 23490f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) 23500f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor Template = TemplateName(QTN->getTemplateDecl()); 23517c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 23523e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith bool isTypeAlias = 23533e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Template.getAsTemplateDecl() && 23543e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith isa<TypeAliasTemplateDecl>(Template.getAsTemplateDecl()); 23553e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 23563e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType CanonType; 23573e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (!Underlying.isNull()) 23583e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType = getCanonicalType(Underlying); 23593e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else { 23603e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith assert(!isTypeAlias && 23613e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith "Underlying type for template alias must be computed by caller"); 23623e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType = getCanonicalTemplateSpecializationType(Template, Args, 23633e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith NumArgs); 23643e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 2365fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 23661275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 23671275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 23681275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 23693e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith void *Mem = Allocate(sizeof(TemplateSpecializationType) + 23703e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith sizeof(TemplateArgument) * NumArgs + 23713e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith (isTypeAlias ? sizeof(QualType) : 0), 23726b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 23731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 2374ef99001908e799c388f1363b1e607dad5f5b57d3John McCall = new (Mem) TemplateSpecializationType(Template, 237531f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 23763e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType, 23773e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith isTypeAlias ? Underlying : QualType()); 23781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 237955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 23801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 238155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 238255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 23831eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 23849763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getCanonicalTemplateSpecializationType(TemplateName Template, 23859763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis const TemplateArgument *Args, 23864ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumArgs) const { 23877c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 23887c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 23893e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith assert((!Template.getAsTemplateDecl() || 23903e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith !isa<TypeAliasTemplateDecl>(Template.getAsTemplateDecl())) && 23913e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith "Underlying type for template alias must be computed by caller"); 23923e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 23930f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor // Look through qualified template names. 23940f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) 23950f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor Template = TemplateName(QTN->getTemplateDecl()); 23967c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 23979763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Build the canonical template specialization type. 23989763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateName CanonTemplate = getCanonicalTemplateName(Template); 23995f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 4> CanonArgs; 24009763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.reserve(NumArgs); 24019763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis for (unsigned I = 0; I != NumArgs; ++I) 24029763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 24039763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24049763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Determine whether this canonical template specialization type already 24059763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // exists. 24069763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::FoldingSetNodeID ID; 24079763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType::Profile(ID, CanonTemplate, 24089763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, *this); 24099763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24109763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *InsertPos = 0; 24119763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType *Spec 24129763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 24139763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24149763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (!Spec) { 24159763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Allocate a new canonical template specialization type. 24169763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *Mem = Allocate((sizeof(TemplateSpecializationType) + 24179763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis sizeof(TemplateArgument) * NumArgs), 24189763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TypeAlignment); 24199763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Spec = new (Mem) TemplateSpecializationType(CanonTemplate, 24209763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, 24213e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType(), QualType()); 24229763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Types.push_back(Spec); 24239763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 24249763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis } 24259763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24269763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis assert(Spec->isDependentType() && 24279763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis "Non-dependent template-id type must have a canonical type"); 24289763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis return QualType(Spec, 0); 24299763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis} 24309763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24319763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2432465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 2433465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 24344ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType NamedType) const { 2435e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 2436465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 2437e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2438e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 2439465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2440e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 2441e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2442e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2443789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 2444789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 2445789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 2446465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2447465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 2448789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 2449789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 2450789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2451465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 2452e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 2453465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 2454e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2455e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 2456e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2457075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo BagnaraQualType 24584ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getParenType(QualType InnerType) const { 2459075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara llvm::FoldingSetNodeID ID; 2460075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType::Profile(ID, InnerType); 2461075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2462075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void *InsertPos = 0; 2463075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *T = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2464075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (T) 2465075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2466075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2467075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Canon = InnerType; 2468075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (!Canon.isCanonical()) { 2469075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Canon = getCanonicalType(InnerType); 2470075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *CheckT = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2471075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara assert(!CheckT && "Paren canonical type broken"); 2472075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara (void)CheckT; 2473075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 2474075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2475075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara T = new (*this) ParenType(InnerType, Canon); 2476075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Types.push_back(T); 2477075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenTypes.InsertNode(T, InsertPos); 2478075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2479075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara} 2480075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 24814a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 24824a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 24834a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 24844ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Canon) const { 2485d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 2486d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2487d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 2488d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 24894a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 24904a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 24914a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 24924a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 24934a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 24944a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 2495d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2496d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2497d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 24984a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 2499d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2500d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 25014714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 25024714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 2503d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 2504d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 2505d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 25064a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 2507d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 25084714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 25091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 2510d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2511d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 25121eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 251333500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 251433500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 25154a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 251633500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 25174ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgumentListInfo &Args) const { 251833500955d731c73717af52088b7fc0e7a85681e7John McCall // TODO: avoid this copy 25195f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 16> ArgCopy; 252033500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0, E = Args.size(); I != E; ++I) 252133500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.push_back(Args[I].getArgument()); 252233500955d731c73717af52088b7fc0e7a85681e7John McCall return getDependentTemplateSpecializationType(Keyword, NNS, Name, 252333500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.size(), 252433500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.data()); 252533500955d731c73717af52088b7fc0e7a85681e7John McCall} 252633500955d731c73717af52088b7fc0e7a85681e7John McCall 252733500955d731c73717af52088b7fc0e7a85681e7John McCallQualType 252833500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 252933500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 253033500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 253133500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 253233500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 25334ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgument *Args) const { 2534aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor assert((!NNS || NNS->isDependent()) && 2535aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor "nested-name-specifier must be dependent"); 25361734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2537789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 253833500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType::Profile(ID, *this, Keyword, NNS, 253933500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args); 2540789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2541789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 254233500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType *T 254333500955d731c73717af52088b7fc0e7a85681e7John McCall = DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 2544789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 2545789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 2546789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 254733500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 254833500955d731c73717af52088b7fc0e7a85681e7John McCall 254933500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword CanonKeyword = Keyword; 255033500955d731c73717af52088b7fc0e7a85681e7John McCall if (Keyword == ETK_None) CanonKeyword = ETK_Typename; 25511734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 255233500955d731c73717af52088b7fc0e7a85681e7John McCall bool AnyNonCanonArgs = false; 25535f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 16> CanonArgs(NumArgs); 255433500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0; I != NumArgs; ++I) { 255533500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs[I] = getCanonicalTemplateArgument(Args[I]); 255633500955d731c73717af52088b7fc0e7a85681e7John McCall if (!CanonArgs[I].structurallyEquals(Args[I])) 255733500955d731c73717af52088b7fc0e7a85681e7John McCall AnyNonCanonArgs = true; 2558789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 25591734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 256033500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon; 256133500955d731c73717af52088b7fc0e7a85681e7John McCall if (AnyNonCanonArgs || CanonNNS != NNS || CanonKeyword != Keyword) { 256233500955d731c73717af52088b7fc0e7a85681e7John McCall Canon = getDependentTemplateSpecializationType(CanonKeyword, CanonNNS, 256333500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, 256433500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs.data()); 256533500955d731c73717af52088b7fc0e7a85681e7John McCall 256633500955d731c73717af52088b7fc0e7a85681e7John McCall // Find the insert position again. 256733500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 256833500955d731c73717af52088b7fc0e7a85681e7John McCall } 256933500955d731c73717af52088b7fc0e7a85681e7John McCall 257033500955d731c73717af52088b7fc0e7a85681e7John McCall void *Mem = Allocate((sizeof(DependentTemplateSpecializationType) + 257133500955d731c73717af52088b7fc0e7a85681e7John McCall sizeof(TemplateArgument) * NumArgs), 257233500955d731c73717af52088b7fc0e7a85681e7John McCall TypeAlignment); 2573ef99001908e799c388f1363b1e607dad5f5b57d3John McCall T = new (Mem) DependentTemplateSpecializationType(Keyword, NNS, 257433500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args, Canon); 25751734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 257633500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.InsertNode(T, InsertPos); 25771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 25781734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 25791734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2580cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas GregorQualType ASTContext::getPackExpansionType(QualType Pattern, 2581cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) { 25827536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor llvm::FoldingSetNodeID ID; 2583cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor PackExpansionType::Profile(ID, Pattern, NumExpansions); 25847536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 25857536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor assert(Pattern->containsUnexpandedParameterPack() && 25867536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor "Pack expansions must expand one or more parameter packs"); 25877536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void *InsertPos = 0; 25887536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionType *T 25897536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor = PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 25907536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (T) 25917536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 25927536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 25937536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Canon; 25947536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (!Pattern.isCanonical()) { 2595cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Canon = getPackExpansionType(getCanonicalType(Pattern), NumExpansions); 25967536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 25977536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor // Find the insert position again. 25987536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 25997536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 26007536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 2601cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor T = new (*this) PackExpansionType(Pattern, Canon, NumExpansions); 26027536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor Types.push_back(T); 26037536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.InsertNode(T, InsertPos); 26047536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 26057536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor} 26067536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 260788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 260888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 260988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 261088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 26112e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 261288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 261388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2614c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 261554e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 261654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 261754e14c4db764c0636160d26c5bbf491637c83a76John McCall 261854e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 261954e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 262054e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 262154e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 262254e14c4db764c0636160d26c5bbf491637c83a76John McCall} 262354e14c4db764c0636160d26c5bbf491637c83a76John McCall 262454e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 262588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 262688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 26271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 262888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 262988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 263088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 263188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 263288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 263388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 263488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 263588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2636c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2637c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 26384ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumProtocols) const { 2639c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2640c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2641c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2642c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2643d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2644c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2645c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2646c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2647d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2648c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2649c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2650d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2651c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2652c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 265354e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2654c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2655c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2656c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 26575f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 26580237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 265954e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 266054e14c4db764c0636160d26c5bbf491637c83a76John McCall 266154e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2662c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2663c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 266454e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2665c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2666c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 266754e14c4db764c0636160d26c5bbf491637c83a76John McCall } 266854e14c4db764c0636160d26c5bbf491637c83a76John McCall 266954e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2670c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 267154e14c4db764c0636160d26c5bbf491637c83a76John McCall } 267254e14c4db764c0636160d26c5bbf491637c83a76John McCall 2673c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2674c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2675fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2676c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2677c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 26781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2679c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2680c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2681c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2682d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 268388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2684c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2685c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 26864ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) const { 26874b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2688c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 26891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26904b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2691c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2692c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 26934b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 26941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2695c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 269654e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2697c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2698c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 269954e14c4db764c0636160d26c5bbf491637c83a76John McCall 2700c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2701c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 270254e14c4db764c0636160d26c5bbf491637c83a76John McCall } 270354e14c4db764c0636160d26c5bbf491637c83a76John McCall 2704c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2705c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2706c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2707c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 270824fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 270924fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2710c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 271124fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 271224fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 271324fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2714deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// getObjCInterfaceType - Return the unique reference to the type for the 2715deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// specified ObjC interface decl. The list of protocols is optional. 27164ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) const { 2717deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor if (Decl->TypeForDecl) 2718deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(Decl->TypeForDecl, 0); 271974c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl 2720deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor // FIXME: redeclarations? 2721deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2722deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2723deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Decl->TypeForDecl = T; 2724deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Types.push_back(T); 2725deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(T, 0); 2726c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2727c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 272872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 272972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 27309752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 27311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 27329752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 27334ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfExprType(Expr *tofExpr) const { 2734dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2735b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2736b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2737b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 27381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2739b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2740b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2741b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2742b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2743b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2744b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 27456b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2746b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 2747b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2748b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor else { 2749b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 27506b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 27516b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2752b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2753b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2754b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2755b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2756dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 27576b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2758dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 27599752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 27609752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2761d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2762d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 27639752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 27649752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 27659752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 27661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 27679752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 27684ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfType(QualType tofType) const { 2769f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 27706b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 27719752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 27729752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2773d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2774d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 277560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 277660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 27774ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType getDecltypeForExpr(const Expr *e, const ASTContext &Context) { 2778a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2779a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 27801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 278160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 278260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 278360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 278460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 278560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 278660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 278760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 278860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 278960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 279060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 279160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 279260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 279360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 279460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 279560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 27961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 279760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 27981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 280060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 28017eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall if (e->isLValue()) 280260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 28031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 280460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 280560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 280660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2807395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2808395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2809395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 28101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2811395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 28124ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getDecltypeType(Expr *e) const { 2813dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 2814561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor 2815561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // C++0x [temp.type]p2: 2816561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // If an expression e involves a template parameter, decltype(e) denotes a 2817561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // unique dependent type. Two such decltype-specifiers refer to the same 2818561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // type only if their expressions are equivalent (14.5.6.1). 2819561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (e->isInstantiationDependent()) { 28209d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 28219d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 28221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28239d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 28249d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 28259d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 28269d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 28279d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 28289d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 28296b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 28309d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 28319d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 28329d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor else { 28339d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 28346b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 28359d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 28369d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 28379d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 28389d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2839dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 28406b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2841dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2842395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2843395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2844395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2845395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 2846ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// getUnaryTransformationType - We don't unique these, since the memory 2847ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// savings are minimal and these are rare. 2848ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean HuntQualType ASTContext::getUnaryTransformType(QualType BaseType, 2849ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType UnderlyingType, 2850ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType::UTTKind Kind) 2851ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt const { 2852ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType *Ty = 285369d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor new (*this, TypeAlignment) UnaryTransformType (BaseType, UnderlyingType, 285469d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor Kind, 285569d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor UnderlyingType->isDependentType() ? 285669d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor QualType() : UnderlyingType); 2857ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt Types.push_back(Ty); 2858ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return QualType(Ty, 0); 2859ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt} 2860ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 2861483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith/// getAutoType - We only unique auto types after they've been deduced. 286234b41d939a1328f484511c6002ba2456db879a29Richard SmithQualType ASTContext::getAutoType(QualType DeducedType) const { 2863483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith void *InsertPos = 0; 2864483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (!DeducedType.isNull()) { 2865483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith // Look in the folding set for an existing type. 2866483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith llvm::FoldingSetNodeID ID; 2867483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType::Profile(ID, DeducedType); 2868483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (AutoType *AT = AutoTypes.FindNodeOrInsertPos(ID, InsertPos)) 2869483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 2870483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith } 2871483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith 2872483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType *AT = new (*this, TypeAlignment) AutoType(DeducedType); 2873483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith Types.push_back(AT); 2874483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (InsertPos) 2875483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoTypes.InsertNode(AT, InsertPos); 2876483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 287734b41d939a1328f484511c6002ba2456db879a29Richard Smith} 287834b41d939a1328f484511c6002ba2456db879a29Richard Smith 2879ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith/// getAutoDeductType - Get type pattern for deducing against 'auto'. 2880ad762fcdc16b9e4705b12b09d92b8c026212b906Richard SmithQualType ASTContext::getAutoDeductType() const { 2881ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith if (AutoDeductTy.isNull()) 2882ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith AutoDeductTy = getAutoType(QualType()); 2883ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert(!AutoDeductTy.isNull() && "can't build 'auto' pattern"); 2884ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith return AutoDeductTy; 2885ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith} 2886ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 2887ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith/// getAutoRRefDeductType - Get type pattern for deducing against 'auto &&'. 2888ad762fcdc16b9e4705b12b09d92b8c026212b906Richard SmithQualType ASTContext::getAutoRRefDeductType() const { 2889ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith if (AutoRRefDeductTy.isNull()) 2890ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith AutoRRefDeductTy = getRValueReferenceType(getAutoDeductType()); 2891ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert(!AutoRRefDeductTy.isNull() && "can't build 'auto &&' pattern"); 2892ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith return AutoRRefDeductTy; 2893ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith} 2894ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 28955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 28965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 28974ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTagDeclType(const TagDecl *Decl) const { 2898d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2899e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2900e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2901e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 29025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 29035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 29041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 29051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 29061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 2907a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 2908b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 29095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 29105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 291164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 291264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 291364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 291464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 291564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 291664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 291764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 291864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 291964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 292064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 292164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 292264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 292364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 292464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 29258b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 29268b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 29278b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 2928b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 29298b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 29308b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 2931e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2932e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 2933e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2934e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 29354ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCanQualType ASTContext::getCanonicalParamType(QualType T) const { 293654e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 293754e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 293854e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 2939745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = getVariableArrayDecayedType(T); 294054e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 294154e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 294254e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 294354e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 294454e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 294554e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 294654e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 294754e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 294854e14c4db764c0636160d26c5bbf491637c83a76John McCall } 294954e14c4db764c0636160d26c5bbf491637c83a76John McCall 295054e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 295154e14c4db764c0636160d26c5bbf491637c83a76John McCall} 295254e14c4db764c0636160d26c5bbf491637c83a76John McCall 295362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallQualType ASTContext::getUnqualifiedArrayType(QualType type, 295462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers &quals) { 295562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall SplitQualType splitType = type.getSplitUnqualifiedType(); 295662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 295762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // FIXME: getSplitUnqualifiedType() actually walks all the way to 295862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // the unqualified desugared type and then drops it on the floor. 295962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // We then have to strip that sugar back off with 296062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // getUnqualifiedDesugaredType(), which is silly. 296162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall const ArrayType *AT = 296262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall dyn_cast<ArrayType>(splitType.first->getUnqualifiedDesugaredType()); 296362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 296462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If we don't have an array, just use the results in splitType. 29659dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 296662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals = splitType.second; 296762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(splitType.first, 0); 296828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 296928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 297062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, recurse on the array's element type. 297162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType elementType = AT->getElementType(); 297262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType unqualElementType = getUnqualifiedArrayType(elementType, quals); 297362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 297462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If that didn't change the element type, AT has no qualifiers, so we 297562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // can just use the results in splitType. 297662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (elementType == unqualElementType) { 297762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(quals.empty()); // from the recursive call 297862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals = splitType.second; 297962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(splitType.first, 0); 298062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 298162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 298262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, add in the qualifiers from the outermost type, then 298362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // build the type back up. 298462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals.addConsistentQualifiers(splitType.second); 298528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 29869dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 298762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getConstantArrayType(unqualElementType, CAT->getSize(), 298828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 298928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 299028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 29919dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 299262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getIncompleteArrayType(unqualElementType, IAT->getSizeModifier(), 0); 299328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 299428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 29959dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 299662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getVariableArrayType(unqualElementType, 29973fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 29989dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 29999dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 30009dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 30019dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 30029dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 30039dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 300462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getDependentSizedArrayType(unqualElementType, DSAT->getSizeExpr(), 300528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 300628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 300728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 300828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 30095a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// UnwrapSimilarPointerTypes - If T1 and T2 are pointer types that 30105a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// may be similar (C++ 4.4), replaces T1 and T2 with the type that 30115a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// they point to and return true. If T1 and T2 aren't pointer types 30125a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// or pointer-to-member types, or if they are not similar at this 30135a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// level, returns false and leaves T1 and T2 unchanged. Top-level 30145a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// qualifiers on T1 and T2 are ignored. This function will typically 30155a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// be called in a loop that successively "unwraps" pointer and 30165a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// pointer-to-member types to compare them at each level. 30175a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregorbool ASTContext::UnwrapSimilarPointerTypes(QualType &T1, QualType &T2) { 30185a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const PointerType *T1PtrType = T1->getAs<PointerType>(), 30195a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2PtrType = T2->getAs<PointerType>(); 30205a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1PtrType && T2PtrType) { 30215a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1PtrType->getPointeeType(); 30225a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2PtrType->getPointeeType(); 30235a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 30245a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 30255a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30265a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const MemberPointerType *T1MPType = T1->getAs<MemberPointerType>(), 30275a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2MPType = T2->getAs<MemberPointerType>(); 30285a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1MPType && T2MPType && 30295a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor hasSameUnqualifiedType(QualType(T1MPType->getClass(), 0), 30305a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor QualType(T2MPType->getClass(), 0))) { 30315a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1MPType->getPointeeType(); 30325a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2MPType->getPointeeType(); 30335a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 30345a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 30355a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30365a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (getLangOptions().ObjC1) { 30375a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const ObjCObjectPointerType *T1OPType = T1->getAs<ObjCObjectPointerType>(), 30385a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2OPType = T2->getAs<ObjCObjectPointerType>(); 30395a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1OPType && T2OPType) { 30405a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1OPType->getPointeeType(); 30415a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2OPType->getPointeeType(); 30425a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 30435a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 30445a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 30455a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30465a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor // FIXME: Block pointers, too? 30475a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30485a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return false; 30495a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor} 30505a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30514ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadDeclarationNameInfo 30524ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getNameForTemplate(TemplateName Name, 30534ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation NameLoc) const { 3054146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall switch (Name.getKind()) { 3055146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::QualifiedTemplate: 3056146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::Template: 30572577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 3058146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(Name.getAsTemplateDecl()->getDeclName(), 3059146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 30602577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 3061146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::OverloadedTemplate: { 3062146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 3063146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall // DNInfo work in progress: CHECKME: what about DNLoc? 3064146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo((*Storage->begin())->getDeclName(), NameLoc); 3065146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3066146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3067146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::DependentTemplate: { 3068146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 30692577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName DName; 307080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 30712577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getIdentifier(DTN->getIdentifier()); 30722577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc); 307380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 30742577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getCXXOperatorName(DTN->getOperator()); 30752577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: FIXME: source locations? 30762577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc DNLoc; 30772577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.BeginOpNameLoc = SourceLocation().getRawEncoding(); 30782577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.EndOpNameLoc = SourceLocation().getRawEncoding(); 30792577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc, DNLoc); 308080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 308180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 308280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 3083146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParm: { 3084146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 3085146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParm(); 3086146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(subst->getParameter()->getDeclName(), 3087146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 3088146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3089146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3090146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParmPack: { 3091146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmPackStorage *subst 3092146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParmPack(); 3093146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(subst->getParameterPack()->getDeclName(), 3094146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 3095146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3096146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3097146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3098146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("bad template name kind!"); 309980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 310080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 31014ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) const { 3102146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall switch (Name.getKind()) { 3103146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::QualifiedTemplate: 3104146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::Template: { 3105146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateDecl *Template = Name.getAsTemplateDecl(); 31063e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTemplateParmDecl *TTP 3107146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = dyn_cast<TemplateTemplateParmDecl>(Template)) 31083e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Template = getCanonicalTemplateTemplateParmDecl(TTP); 31093e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 31103e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // The canonical template name is the canonical template declaration. 311197fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 31123e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 311325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 3114146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::OverloadedTemplate: 3115146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("cannot canonicalize overloaded template"); 3116146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3117146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::DependentTemplate: { 3118146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 3119146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall assert(DTN && "Non-dependent template names must refer to template decls."); 3120146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DTN->CanonicalTemplateName; 3121146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3122146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3123146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParm: { 3124146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 3125146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParm(); 3126146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return getCanonicalTemplateName(subst->getReplacement()); 31271aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 31281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3129146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParmPack: { 3130146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmPackStorage *subst 3131146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParmPack(); 3132146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateTemplateParmDecl *canonParameter 3133146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = getCanonicalTemplateTemplateParmDecl(subst->getParameterPack()); 3134146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateArgument canonArgPack 3135146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = getCanonicalTemplateArgument(subst->getArgumentPack()); 3136146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return getSubstTemplateTemplateParmPack(canonParameter, canonArgPack); 3137146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3138146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3139146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3140146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("bad template name!"); 314125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 314225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 3143db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 3144db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 3145db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 3146db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 3147db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 3148db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 31491eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 31504ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) const { 31511275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 31521275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 31531275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 31541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31551275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 31561275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 31571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31581275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 3159833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 31601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3161788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 3162788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 3163a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 3164a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor case TemplateArgument::TemplateExpansion: 3165a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor return TemplateArgument(getCanonicalTemplateName( 3166a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor Arg.getAsTemplateOrTemplatePattern()), 31672be29f423acad3bbe39099a78db2805acb5bdf17Douglas Gregor Arg.getNumTemplateExpansions()); 3168a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 31691275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 3170833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 31711275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 31721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31731275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 3174833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 31751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31761275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 317787dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor if (Arg.pack_size() == 0) 317887dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor return Arg; 317987dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor 3180910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgument *CanonArgs 3181910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor = new (*this) TemplateArgument[Arg.pack_size()]; 31821275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 31831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 31841275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 31851275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 31861275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 31871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3188910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor return TemplateArgument(CanonArgs, Arg.pack_size()); 31891275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 31901275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 31911275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 31921275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 31931275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 31941275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 31951275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 31961275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 3197d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 31984ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) const { 31991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 3200d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 3201d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3202d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 3203d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 3204d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 32051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 3206d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 3207d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 3208d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3209d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 3210d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 3211d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 321214aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 321314aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespace()->getOriginalNamespace()); 321414aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor 321514aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor case NestedNameSpecifier::NamespaceAlias: 321614aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 321714aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // this namespace and no prefix. 321814aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 321914aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespaceAlias()->getNamespace() 322014aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor ->getOriginalNamespace()); 3221d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3222d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 3223d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 3224d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 3225264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 3226264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // If we have some kind of dependent-named type (e.g., "typename T::type"), 3227264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // break it apart into its prefix and identifier, then reconsititute those 3228264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // as the canonical nested-name-specifier. This is required to canonicalize 3229264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // a dependent nested-name-specifier involving typedefs of dependent-name 3230264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // types, e.g., 3231264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T::type T1; 3232264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T1::type T2; 3233264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentNameType *DNT = T->getAs<DependentNameType>()) { 3234264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 3235264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DNT->getQualifier()); 3236264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor return NestedNameSpecifier::Create(*this, Prefix, 3237264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor const_cast<IdentifierInfo *>(DNT->getIdentifier())); 3238264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 3239264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 3240643f84353b3b7bbf9b73bcbc7da0ef8a39a5ca99Douglas Gregor // Do the same thing as above, but with dependent-named specializations. 3241264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentTemplateSpecializationType *DTST 3242264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = T->getAs<DependentTemplateSpecializationType>()) { 3243264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 3244264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DTST->getQualifier()); 3245aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor 3246aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor T = getDependentTemplateSpecializationType(DTST->getKeyword(), 3247aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor Prefix, DTST->getIdentifier(), 3248aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor DTST->getNumArgs(), 3249aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor DTST->getArgs()); 3250264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor T = getCanonicalType(T); 3251264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 3252264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 32533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return NestedNameSpecifier::Create(*this, 0, false, 32543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const_cast<Type*>(T.getTypePtr())); 3255d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3256d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3257d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 3258d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 3259d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 3260d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3261d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3262d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 3263d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 3264d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 3265d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3266c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 32674ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadconst ArrayType *ASTContext::getAsArrayType(QualType T) const { 3268c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 3269a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 3270c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 3271c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 3272c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 3273c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 32741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 32763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isa<ArrayType>(T.getCanonicalType())) 3277c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 32781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 3280c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 3281c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 32821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3283c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 3284c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 328550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 32860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 32873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = T.getSplitDesugaredType(); 32883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs = split.second; 32891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3290c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 32913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *ATy = dyn_cast<ArrayType>(split.first); 32923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ATy == 0 || qs.empty()) 3293c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 32941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3295c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 3296c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 32973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), qs); 32981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3299c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 3300c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 3301c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 33020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 3303c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 3304c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 3305c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 33060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 3307898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 33081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 3309898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 3310898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 33111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 33123fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall DSAT->getSizeExpr(), 3313898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 33140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 33157e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 33161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3317c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 33187e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 33193fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 3320c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 33210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 33227e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 332377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 332477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 332579e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas GregorQualType ASTContext::getAdjustedParameterType(QualType T) { 332679e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // C99 6.7.5.3p7: 332779e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // A declaration of a parameter as "array of type" shall be 332879e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // adjusted to "qualified pointer to type", where the type 332979e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // qualifiers (if any) are those specified within the [ and ] of 333079e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // the array type derivation. 333179e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor if (T->isArrayType()) 333279e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return getArrayDecayedType(T); 333379e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 333479e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // C99 6.7.5.3p8: 333579e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // A declaration of a parameter as "function returning type" 333679e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // shall be adjusted to "pointer to function returning type", as 333779e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // in 6.3.2.1. 333879e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor if (T->isFunctionType()) 333979e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return getPointerType(T); 334079e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 334179e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return T; 334279e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor} 334379e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 334479e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas GregorQualType ASTContext::getSignatureParameterType(QualType T) { 334579e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor T = getVariableArrayDecayedType(T); 334679e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor T = getAdjustedParameterType(T); 334779e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return T.getUnqualifiedType(); 334879e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor} 334979e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 3350e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 3351e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 3352e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 3353e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 3354e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 3355e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 33564ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getArrayDecayedType(QualType Ty) const { 3357c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 3358c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 3359c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 3360c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 3361c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 3362c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 33631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3364c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 3365e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 3366e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 33670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 3368e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 3369e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 33703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(const ArrayType *array) const { 33713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getBaseElementType(array->getElementType()); 33725e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 33735e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 33743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(QualType type) const { 33753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs; 33763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall while (true) { 33773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = type.getSplitDesugaredType(); 33783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *array = split.first->getAsArrayTypeUnsafe(); 33793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!array) break; 33801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall type = array->getElementType(); 33823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall qs.addConsistentQualifiers(split.second); 33833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 33841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiedType(type, qs); 33866183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 33876183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 33880de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 33891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 33900de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 33910de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 33920de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 33930de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 33940de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 33950de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 33960de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 33970de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 33980de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 33995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 34005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 3401a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 3402183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 34035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 3404a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 3405183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 3406183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 3407a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 34085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 34095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 34105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 34115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 34125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 34135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 34141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 34151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 3416716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 3417716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 34181361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 34191361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 34201361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 34211361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 34221361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 3423716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 3424f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 3425f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 3426f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 3427f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 3428f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 34291361b11066239ea15764a2a844405352d87296b3Chris Lattner 34301361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 34311361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 34321361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 34331361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 34341361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 34351361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 34365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 34375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 34385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 34397cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 34407cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 34417cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 34421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 34434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) const { 3444a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 3445a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 34461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3447a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 3448fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 3449a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 3450fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 3451fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 34525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 34535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3454f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 3455f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 3456f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 3457f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCallunsigned ASTContext::getIntegerRank(const Type *T) const { 3458467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 3459f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const EnumType* ET = dyn_cast<EnumType>(T)) 3460842aef8d942a880eeb9535d40de31a86838264cbJohn McCall T = ET->getDecl()->getPromotionType().getTypePtr(); 3461f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 34623f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (T->isSpecificBuiltinType(BuiltinType::WChar_S) || 34633f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner T->isSpecificBuiltinType(BuiltinType::WChar_U)) 3464a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 3465a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 3466f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 3467f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 3468f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3469f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 3470f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 3471f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3472f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 34737cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 34747cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 3475f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 34767cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 34777cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 34787cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 34797cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 3480f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 34817cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 34827cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 3483f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 34847cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 34857cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 3486f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 34877cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 34887cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 3489f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 34907cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 34917cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 3492f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 34932df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 34942df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 34952df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 3496f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 3497f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 3498f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 349904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 350004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 350104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 350204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 350304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 35044ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::isPromotableBitField(Expr *E) const { 3505ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor if (E->isTypeDependent() || E->isValueDependent()) 3506ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor return QualType(); 3507ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor 350804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 350904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 351004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 351104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 351204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 351304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 351404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 351504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 351604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 351704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 351804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 351904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 352004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 352104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 352204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 352304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 352404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 352504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 352604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 352704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 352804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 352904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 353004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 353104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 353204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 3533a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 3534a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 3535a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 35364ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPromotedIntegerType(QualType Promotable) const { 3537a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 3538a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 3539842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 3540842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 3541a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 3542a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 3543a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 3544a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 3545a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 3546a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 3547a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 3548a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 354931862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis/// \brief Recurses in pointer/array types until it finds an objc retainable 355031862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis/// type and returns its ownership. 355131862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios KyrtzidisQualifiers::ObjCLifetime ASTContext::getInnerObjCOwnership(QualType T) const { 355231862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis while (!T.isNull()) { 355331862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis if (T.getObjCLifetime() != Qualifiers::OCL_None) 355431862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis return T.getObjCLifetime(); 355531862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis if (T->isArrayType()) 355631862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis T = getBaseElementType(T); 355731862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else if (const PointerType *PT = T->getAs<PointerType>()) 355831862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis T = PT->getPointeeType(); 355931862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 356028445f0b62f6aed851ff87ce64d9b19200d3211fArgyrios Kyrtzidis T = RT->getPointeeType(); 356131862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else 356231862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis break; 356331862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis } 356431862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis 356531862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis return Qualifiers::OCL_None; 356631862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis} 356731862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis 35681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 35697cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 35701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 35714ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) const { 3572f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *LHSC = getCanonicalType(LHS).getTypePtr(); 3573f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *RHSC = getCanonicalType(RHS).getTypePtr(); 35747cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 35751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3576f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 3577f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 35781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35797cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 35807cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 35811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35827cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 35837cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 35847cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 35857cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 35861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35877cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 35887cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 35897cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 35907cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 35917cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 35921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35937cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 35947cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 35951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 35967cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 35977cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 35987cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 35997cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 36007cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 36017cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 36021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36037cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 36047cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 36051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 36067cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 36075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 360871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 360979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 3610ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo BagnaraCreateRecordDecl(const ASTContext &Ctx, RecordDecl::TagKind TK, 3611ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara DeclContext *DC, IdentifierInfo *Id) { 3612ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation Loc; 361379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 3614ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return CXXRecordDecl::Create(Ctx, TK, DC, Loc, Loc, Id); 361579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 3616ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return RecordDecl::Create(Ctx, TK, DC, Loc, Loc, Id); 361779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 3618ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara 36191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 36204ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getCFConstantStringType() const { 362171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 36221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 3623ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, 362479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 36255cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 362679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 3627f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 36281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 362971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 36300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 3631f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 3632f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 363371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 36340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 363571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 36361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 36371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 363844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 363944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 36401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 3641ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 364244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 3643a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 36441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 36457a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 36467a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 36472888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 364817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 364944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 365044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 3651838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 365271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 36531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 365471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 36558467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 3656b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3657319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 36586217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3659319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 3660319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 3661319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3662319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 36634ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorType() const { 3664adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 3665adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3666adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3667adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3668adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 3669ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, 367079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 36715cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3672adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3673adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3674adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3675adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3676adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3677adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3678adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3679adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 3680083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 3681adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3682adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3683adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 3684ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3685adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 3686adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3687a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3688adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 36897a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 36907a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 36912888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3692adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3693adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3694adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3695838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3696adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3697adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 3698adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3699adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3700adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3701adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 37024ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorExtendedType() const { 3703083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 3704083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3705083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3706083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 3707083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 3708ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, 370979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 37105cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3711083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3712083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 3713083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3714083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3715083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 3716083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 3717083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3718083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3719083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 3720083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 3721083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 3722083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 3723083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 3724083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3725083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3726083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 3727ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3728083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 3729083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 3730a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3731083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 37327a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 37337a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 37342888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3735083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 3736083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 3737083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3738838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3739083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3740083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 3741083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3742083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3743083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3744083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 37454ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::BlockRequiresCopying(QualType Ty) const { 3746f85e193739c953358c865005855253af4f68a497John McCall if (Ty->isObjCRetainableType()) 3747af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3748e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (getLangOptions().CPlusPlus) { 3749e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (const RecordType *RT = Ty->getAs<RecordType>()) { 3750e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl()); 3751ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt return RD->hasConstCopyConstructor(); 3752e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian 3753e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3754e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3755af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3756af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3757af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 37584ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 37595f9e272e632e951b1efe824cd16acb4d96077930Chris LattnerASTContext::BuildByRefType(StringRef DeclName, QualType Ty) const { 3760af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3761ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3762af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3763ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3764ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 3765a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__copy_helper; // as needed 3766a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__destroy_help // as needed 3767af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3768ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3769ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3770af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3771af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3772af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 3773f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3774f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3775f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3776af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3777ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, &Idents.get(Name.str())); 3778af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3779af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3780af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3781af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3782af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3783af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3784af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3785af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3786af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3787af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3788af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3789af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3790af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 37915f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef FieldNames[] = { 3792af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3793af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3794af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3795af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3796af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3797af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3798af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3799af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3800af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3801af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3802af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3803af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3804af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3805ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 3806af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3807a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 38087a614d8380297fcd2bc23986241905d97222948cRichard Smith /*BitWidth=*/0, /*Mutable=*/false, 38097a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 38102888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3811af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3812af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3813af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3814838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3815af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3816af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3817ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3818ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3819e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3820e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 38212d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3822e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3823bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3824bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 38251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 382685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 382785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 382885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3829a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 383033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 38314ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) const { 3832f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (!type->isIncompleteArrayType() && type->isIncompleteType()) 3833f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return CharUnits::Zero(); 3834f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 3835199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 38361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 383733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 38382ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor if (sz.isPositive() && type->isIntegralOrEnumerationType()) 3839199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 384033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 384133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3842199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3843aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3844199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3845199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3846199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3847199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3848199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 384933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 385033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 38516b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall/// getObjCEncodingForBlock - Return the encoded type for this block 38525e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 38536b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCallstd::string ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr) const { 38546b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall std::string S; 38556b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 38565e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 38575e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 38585e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 38595e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 3860c71a4915ca216847599d03cab4ed1c5086b0eb43John McCall getObjCEncodingForType(BlockTy->getAs<FunctionType>()->getResultType(), S); 38615e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 38625e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 38635e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 38645e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3865199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3866199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 38676f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 38685e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 38695e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3870aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3871199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 38725e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 38735e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 38745e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3875199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 38765e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 38775e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 38785e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 38795e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 38805e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 38815e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 38825e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 38835e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 38845e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 38855e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 38865e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 38875e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 38885389f48b24937ad7b4093307128b3cbf25235654David Chisnall // elements. 38895389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (!isa<ConstantArrayType>(AT)) 38905389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 38915389f48b24937ad7b4093307128b3cbf25235654David Chisnall } else if (PType->isFunctionType()) 38925389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 38935389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(PType, S); 38945389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 38955389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += getObjCEncodingTypeSize(PType); 38965389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 38976b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 38986b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall return S; 38995389f48b24937ad7b4093307128b3cbf25235654David Chisnall} 39005389f48b24937ad7b4093307128b3cbf25235654David Chisnall 3901f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregorbool ASTContext::getObjCEncodingForFunctionDecl(const FunctionDecl *Decl, 39025389f48b24937ad7b4093307128b3cbf25235654David Chisnall std::string& S) { 39035389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Encode result type. 39045389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(Decl->getResultType(), S); 39055389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits ParmOffset; 39065389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Compute size of all parameters. 39075389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 39085389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 39095389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = (*PI)->getType(); 39105389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits sz = getObjCEncodingTypeSize(PType); 3911f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (sz.isZero()) 3912f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return true; 3913f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 39145389f48b24937ad7b4093307128b3cbf25235654David Chisnall assert (sz.isPositive() && 3915f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor "getObjCEncodingForFunctionDecl - Incomplete param type"); 39165389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += sz; 39175389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 39185389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 39195389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset = CharUnits::Zero(); 39205389f48b24937ad7b4093307128b3cbf25235654David Chisnall 39215389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Argument types. 39225389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 39235389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 39245389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmVarDecl *PVDecl = *PI; 39255389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = PVDecl->getOriginalType(); 39265389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (const ArrayType *AT = 39275389f48b24937ad7b4093307128b3cbf25235654David Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 39285389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Use array's original type only if it has known number of 39295e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 39305e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 39315e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 39325e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 39335e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 39345e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 3935199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3936aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 39375e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 3938f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 3939f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return false; 39405e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 39415e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 3942a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 394333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 3944f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregorbool ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 39454ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 3946c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3947ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 3948a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 394933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 39500d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 395133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 395233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 395333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 395433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 3955199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 395633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 395733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 3958199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 395989951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 39607732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 396189951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 3962aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3963f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (sz.isZero()) 3964f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return true; 3965f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 3966199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 3967199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 396833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 396933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 3970199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 397133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 3972199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 39731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 397433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 397533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 397689951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 39777732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 397889951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 39791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 39804306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 3981ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 3982ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 3983ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 3984bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 3985ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3986ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 3987ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3988ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 398933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 39904306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 39910d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 3992199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3993aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 399433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 3995f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 3996f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return false; 399733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 399833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 3999c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 400083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 4001c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 4002c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 40031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 40041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 40051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 40061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 40071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 400883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 400983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 401083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 401183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 401283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 401383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 401483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 401583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 401683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 401783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 401883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 401983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 402083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 402183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 402283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 402383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 40241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 4025c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 40264ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 4027c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 4028c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 4029c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 4030c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4031c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 4032c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 40331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 4034c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 4035c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 403617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 4037653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 4038c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 4039c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 4040c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 4041c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 4042c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4043c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 4044c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4045c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4046c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4047c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 404861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 4049c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 405017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 4051653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 4052c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 4053c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 4054c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 4055c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 4056c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4057c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 4058c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4059c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 40601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4061c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4062c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4063c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4064c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 4065c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 4066c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4067c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 4068090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 4069090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 40701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 4071090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 4072090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 4073c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4074c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 4075c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 4076c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4077c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 4078c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 4079c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 40801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 40813a02b44e3948f7762dbfba94b7961281ca29d022Fariborz Jahanian case ObjCPropertyDecl::Weak: S += ",W"; break; 4082c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4083c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4084c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4085c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 4086c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 4087c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 4088c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 4089c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4090090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 4091090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 40921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4093c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 4094c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 4095077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 4096c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4097c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4098c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 4099c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 4100077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 4101c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4102c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4103c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 4104c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 4105c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 410639f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 4107c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4108c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4109c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 4110c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 4111c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4112a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 41131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 41141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 4115a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 4116a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 4117a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 41188e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 4119183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 41204ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::ULong && getIntWidth(PointeeTy) == 32) 4121a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 41221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 41234ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::Long && getIntWidth(PointeeTy) == 32) 4124a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 4125a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4126a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4127a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 4128a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 41297d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 41304ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FieldDecl *Field) const { 413182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 413282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 413382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 413482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 41351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 41365b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 413782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 413882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 413964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnallstatic char ObjCEncodingForPrimitiveKind(const ASTContext *C, QualType T) { 414064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall switch (T->getAs<BuiltinType>()->getKind()) { 414164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall default: assert(0 && "Unhandled builtin type kind"); 414264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Void: return 'v'; 414364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Bool: return 'B'; 414464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_U: 414564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UChar: return 'C'; 414664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UShort: return 'S'; 414764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt: return 'I'; 414864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULong: 41494ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'L' : 'Q'; 415064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt128: return 'T'; 415164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULongLong: return 'Q'; 415264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_S: 415364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::SChar: return 'c'; 415464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Short: return 's'; 41553f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 41563f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 415764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int: return 'i'; 415864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Long: 41594ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'l' : 'q'; 416064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongLong: return 'q'; 416164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int128: return 't'; 416264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Float: return 'f'; 416364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Double: return 'd'; 41643a0be84b2aed8563150cdbd976a98838afa261ebDaniel Dunbar case BuiltinType::LongDouble: return 'D'; 416564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 416664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall} 416764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall 41684ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic void EncodeBitField(const ASTContext *Ctx, std::string& S, 416964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall QualType T, const FieldDecl *FD) { 41708b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 41718b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 41728b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 417364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The NeXT runtime encodes bit fields as b followed by the number of bits. 417464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The GNU runtime requires more information; bitfields are encoded as b, 417564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // then the offset (in bits) of the first element, then the type of the 417664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // bitfield, then the size in bits. For example, in this structure: 417764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // 417864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // struct 417964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // { 418064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int integer; 418164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int flags:2; 418264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // }; 418364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // On a 32-bit system, the encoding for flags would be b2 for the NeXT 418464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // runtime, but b32i2 for the GNU runtime. The reason for this extra 418564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // information is not especially sensible, but we're stuck with it for 418664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // compatibility with GCC, although providing it breaks anything that 418764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // actually uses runtime introspection and wants to work on both runtimes... 418864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (!Ctx->getLangOptions().NeXTRuntime) { 418964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const RecordDecl *RD = FD->getParent(); 419064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const ASTRecordLayout &RL = Ctx->getASTRecordLayout(RD); 419182905749d5c8d8b4edec11de754a73349cb96603Eli Friedman S += llvm::utostr(RL.getFieldOffset(FD->getFieldIndex())); 4192c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall if (T->isEnumeralType()) 4193c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall S += 'i'; 4194c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall else 41954ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad S += ObjCEncodingForPrimitiveKind(Ctx, T); 419664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 419764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 41988b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 41998b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 42008b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 420101eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 420282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 420382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 420482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 4205153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 4206090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 42072636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool EncodingProperty, 42082636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool StructField) const { 420964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (T->getAs<BuiltinType>()) { 4210ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 421164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return EncodeBitField(this, S, T, FD); 421264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(this, T); 4213ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4214ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4216183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 4217c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 42181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 4219c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 4220ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4221ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 422260bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 4223aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 4224aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 42256217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 42268d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 42278d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 42288d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 42298d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 4230aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 4231aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 4232aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 4233aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 4234aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 4235a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 4236a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 4237a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 4238a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 42391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 42408e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 4241a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 4242a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4243a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4244a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 42459fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 4246a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 42476217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 42486217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 4249a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 4250a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4251a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4252a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4253a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4254a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 4255a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 4256a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 4257a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 42585f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner if (StringRef(S).endswith("nr")) 42590237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 4260a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 42611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 426285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 426385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 426485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 4265e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 426685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 426785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 426885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 42696217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 42709533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 42719533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 42729533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 42739533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 42749533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 42759533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 42769533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 42779533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 42789533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 42799533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 42809533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 428185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 428285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 4283a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 4284a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 42851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 428643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 4287ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4288ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4289aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 4290ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 4291ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 4292ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 42932636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (isa<IncompleteArrayType>(AT) && !StructField) { 4294559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 4295559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 4296559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 42971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4298559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4299559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 4300559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 43011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43022636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 43032636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (getTypeSize(CAT->getElementType()) == 0) 43042636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '0'; 43052636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis else 43062636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += llvm::utostr(CAT->getSize().getZExtValue()); 43072636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 4308559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 43092636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert((isa<VariableArrayType>(AT) || isa<IncompleteArrayType>(AT)) && 43102636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis "Unknown array type!"); 4311559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 4312559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 43131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4315559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4316559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 4317559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 4318ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4319ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 43201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4321183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 4322c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 4323ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4324ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 43251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43266217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 432782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 4328d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 4329502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 4330502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 4331502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 43326fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 43336fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 43346fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 43356fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 43366fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 4337910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.data(), 4338910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.size(), 43396fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian (*this).PrintingPolicy); 43406fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 43416fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 43426fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 4343502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 4344502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 4345502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 43460d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 43477d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 43482636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->isUnion()) { 43492636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForStructureImpl(RDecl, S, FD); 43502636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 43512636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 43522636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 43532636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis Field != FieldEnd; ++Field) { 43542636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 43552636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 43562636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += Field->getNameAsString(); 43572636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 43582636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 43591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43602636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // Special case bit-fields. 43612636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (Field->isBitField()) { 43622636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 43632636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis (*Field)); 43642636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 43652636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis QualType qt = Field->getType(); 43662636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getLegacyIntegralTypeEncoding(qt); 43672636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(qt, S, false, true, 43682636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FD, /*OutermostType*/false, 43692636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*EncodingProperty*/false, 43702636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*StructField*/true); 43712636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 4372d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 43737d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 43746de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 4375d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 4376ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4377ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4378e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4379ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 43808b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 438164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall EncodeBitField(this, S, T, FD); 43828b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 43838b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 4384ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4385ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 43861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4387ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 438821a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 4389ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4390ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 43911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4392c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 4393c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 4394c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 4395c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 43960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 439743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 43980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 439943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 440043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 440143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 440243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 4403db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose SmallVector<const ObjCIvarDecl*, 32> Ivars; 44042c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(OI, true, Ivars); 44052c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (unsigned i = 0, e = Ivars.size(); i != e; ++i) { 4406db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose const FieldDecl *Field = cast<FieldDecl>(Ivars[i]); 44072c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (Field->isBitField()) 44082c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, Field); 440943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 44102c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, FD); 441143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 441243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 4413ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 441443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 44151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4416183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 441714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 441814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 441914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4420ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 442227d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 442327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 442427d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 442527d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 442614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 442714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4428ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4430ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 44311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 443214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 443314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 443414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 443514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 443614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 443714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 443867ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 443967ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 444014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 444114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 444214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 444314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 444414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 444514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 444614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4447ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4449ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 4450ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 4451ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 4452ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 44531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 4454ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 4455ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 44561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 44571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 4458ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 445914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 446014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4461ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 4462ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 446327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 4464ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 446527d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 446667ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 446767ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 4468ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 4469ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 4470ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 44711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4472ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 4473ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4474ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4475ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4477532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 4478532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 4479532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 4480532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 4481e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4482e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian if (T->isVectorType()) { 4483e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // This matches gcc's encoding, even though technically it is 4484e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // insufficient. 4485e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // FIXME. We should do a better job than gcc. 4486e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian return; 4487e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian } 4488e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4489ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 449085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 449185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 44922636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidisvoid ASTContext::getObjCEncodingForStructureImpl(RecordDecl *RDecl, 44932636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::string &S, 44942636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis const FieldDecl *FD, 44952636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool includeVBases) const { 44962636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(RDecl && "Expected non-null RecordDecl"); 44972636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(!RDecl->isUnion() && "Should not be called for unions"); 44982636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->getDefinition()) 44992636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis return; 45002636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45012636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *CXXRec = dyn_cast<CXXRecordDecl>(RDecl); 45022636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::multimap<uint64_t, NamedDecl *> FieldOrBaseOffsets; 45032636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis const ASTRecordLayout &layout = getASTRecordLayout(RDecl); 45042636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45052636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec) { 45062636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (CXXRecordDecl::base_class_iterator 45072636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BI = CXXRec->bases_begin(), 45082636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BE = CXXRec->bases_end(); BI != BE; ++BI) { 45092636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!BI->isVirtual()) { 45102636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *base = BI->getType()->getAsCXXRecordDecl(); 4511829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis if (base->isEmpty()) 4512829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis continue; 45132636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getBaseClassOffsetInBits(base); 45142636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 45152636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, base)); 45162636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45172636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45182636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45192636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45202636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis unsigned i = 0; 45212636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 45222636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 45232636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis Field != FieldEnd; ++Field, ++i) { 45242636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getFieldOffset(i); 45252636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 45262636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, *Field)); 45272636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45282636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45292636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec && includeVBases) { 45302636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (CXXRecordDecl::base_class_iterator 45312636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BI = CXXRec->vbases_begin(), 45322636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BE = CXXRec->vbases_end(); BI != BE; ++BI) { 45332636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *base = BI->getType()->getAsCXXRecordDecl(); 4534829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis if (base->isEmpty()) 4535829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis continue; 45362636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getVBaseClassOffsetInBits(base); 45372636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 45382636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, base)); 45392636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45402636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45412636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45422636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CharUnits size; 45432636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec) { 45442636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis size = includeVBases ? layout.getSize() : layout.getNonVirtualSize(); 45452636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 45462636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis size = layout.getSize(); 45472636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45482636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45492636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t CurOffs = 0; 45502636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::multimap<uint64_t, NamedDecl *>::iterator 45512636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurLayObj = FieldOrBaseOffsets.begin(); 45522636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45532636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CurLayObj != FieldOrBaseOffsets.end() && CurLayObj->first != 0) { 45542636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(CXXRec && CXXRec->isDynamicClass() && 45552636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis "Offset 0 was empty but no VTable ?"); 45562636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 45572636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += "\"_vptr$"; 45582636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::string recname = CXXRec->getNameAsString(); 45592636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (recname.empty()) recname = "?"; 45602636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += recname; 45612636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 45622636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45632636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += "^^?"; 45642636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += getTypeSize(VoidPtrTy); 45652636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45662636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45672636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->hasFlexibleArrayMember()) { 45682636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // Mark the end of the structure. 45692636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = toBits(size); 45702636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 45712636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, (NamedDecl*)0)); 45722636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45732636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45742636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (; CurLayObj != FieldOrBaseOffsets.end(); ++CurLayObj) { 45752636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(CurOffs <= CurLayObj->first); 45762636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45772636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CurOffs < CurLayObj->first) { 45782636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t padding = CurLayObj->first - CurOffs; 45792636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // FIXME: There doesn't seem to be a way to indicate in the encoding that 45802636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // packing/alignment of members is different that normal, in which case 45812636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // the encoding will be out-of-sync with the real layout. 45822636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // If the runtime switches to just consider the size of types without 45832636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // taking into account alignment, we could make padding explicit in the 45842636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // encoding (e.g. using arrays of chars). The encoding strings would be 45852636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // longer then though. 45862636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += padding; 45872636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45882636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45892636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis NamedDecl *dcl = CurLayObj->second; 45902636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (dcl == 0) 45912636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis break; // reached end of structure. 45922636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45932636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRecordDecl *base = dyn_cast<CXXRecordDecl>(dcl)) { 45942636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // We expand the bases without their virtual bases since those are going 45952636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // in the initial structure. Note that this differs from gcc which 45962636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // expands virtual bases each time one is encountered in the hierarchy, 45972636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // making the encoding type bigger than it really is. 45982636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForStructureImpl(base, S, FD, /*includeVBases*/false); 4599829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis assert(!base->isEmpty()); 4600829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis CurOffs += toBits(getASTRecordLayout(base).getNonVirtualSize()); 46012636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 46022636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldDecl *field = cast<FieldDecl>(dcl); 46032636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 46042636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 46052636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += field->getNameAsString(); 46062636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 46072636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46082636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46092636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (field->isBitField()) { 46102636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis EncodeBitField(this, S, field->getType(), field); 46112636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += field->getBitWidth()->EvaluateAsInt(*this).getZExtValue(); 46122636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 46132636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis QualType qt = field->getType(); 46142636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getLegacyIntegralTypeEncoding(qt); 46152636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(qt, S, false, true, FD, 46162636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*OutermostType*/false, 46172636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*EncodingProperty*/false, 46182636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*StructField*/true); 46192636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += getTypeSize(field->getType()); 46202636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46212636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46222636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46232636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis} 46242636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 4626ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 4627ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 4628ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 4629ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 4630ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 4631ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 4632ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 4633ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 4634ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 4635ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 4636ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 4637ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 4638ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 4639ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 4640ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 4641ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 4642b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 46431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4644b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 4645b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 4646b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 46474dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas GregorTypedefDecl *ASTContext::getObjCIdDecl() const { 46484dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor if (!ObjCIdDecl) { 46494dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor QualType T = getObjCObjectType(ObjCBuiltinIdTy, 0, 0); 46504dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor T = getObjCObjectPointerType(T); 46514dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor TypeSourceInfo *IdInfo = getTrivialTypeSourceInfo(T); 46524dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor ObjCIdDecl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 46534dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor getTranslationUnitDecl(), 46544dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor SourceLocation(), SourceLocation(), 46554dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor &Idents.get("id"), IdInfo); 46564dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor } 46574dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor 46584dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor return ObjCIdDecl; 46597e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 46607e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 46617a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas GregorTypedefDecl *ASTContext::getObjCSelDecl() const { 46627a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor if (!ObjCSelDecl) { 46637a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor QualType SelT = getPointerType(ObjCBuiltinSelTy); 46647a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor TypeSourceInfo *SelInfo = getTrivialTypeSourceInfo(SelT); 46657a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor ObjCSelDecl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 46667a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor getTranslationUnitDecl(), 46677a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor SourceLocation(), SourceLocation(), 46687a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor &Idents.get("SEL"), SelInfo); 46697a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor } 46707a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor return ObjCSelDecl; 4671b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 4672b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 4673ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 4674a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 4675390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 4676390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 467779d6726921897811232554ed94c5d77b5b7b3fc0Douglas GregorTypedefDecl *ASTContext::getObjCClassDecl() const { 467879d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor if (!ObjCClassDecl) { 467979d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor QualType T = getObjCObjectType(ObjCBuiltinClassTy, 0, 0); 468079d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor T = getObjCObjectPointerType(T); 468179d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor TypeSourceInfo *ClassInfo = getTrivialTypeSourceInfo(T); 468279d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor ObjCClassDecl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 468379d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor getTranslationUnitDecl(), 468479d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor SourceLocation(), SourceLocation(), 468579d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor &Idents.get("Class"), ClassInfo); 468679d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor } 468779d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor 468879d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor return ObjCClassDecl; 46898baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 46908baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 4691a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 46921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 46932198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 46941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4695a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 46962198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 46972198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 46980bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 46990bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 47004ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 47014ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 47024ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad UnresolvedSetIterator End) const { 47030bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 47040bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 47057532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 47060bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 47070bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 47080bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 47090bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 47100bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 4711eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 47120bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 47130bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 47140bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 47150bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 47160bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 47177532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 47187532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 47190bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 47207532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 47217532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4722d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 4723d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 47244ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 47254ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 47264ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool TemplateKeyword, 47274ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad TemplateDecl *Template) const { 47280f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor assert(NNS && "Missing nested-name-specifier in qualified template name"); 47290f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor 4730789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 4731d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 4732d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 47331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4734d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 4735d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 47360bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4737d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 4738d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 4739d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 4740d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 47411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4742d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 4743d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 4744d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 47457532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 47467532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 47474ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 47484ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 47494ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const IdentifierInfo *Name) const { 47501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 47513b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 47527532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 47537532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 47547532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 47557532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 47567532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 47577532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 47587532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 47597532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 47607532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 47617532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 47627532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 47637532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 47647532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 47657532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 47667532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 47677532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 47687532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 4769789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 4770789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4771789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 4772789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 47737532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 47747532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 47757532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 47767532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 47777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 47787532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4779ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 4780ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 4781ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 4782ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 47834ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad OverloadedOperatorKind Operator) const { 4784ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 4785ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 4786ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4787ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 4788ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 4789ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4790ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 4791789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 4792789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4793ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4794ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 4795ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4796ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4797ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 4798ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 4799ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 4800ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 4801ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 4802ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 4803789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 4804789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 4805789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4806789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 4807789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 4808ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 4809ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4810ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 4811ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4812ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 4813ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 48141aee05d08b2184acadeb36de300e216390780d6cDouglas GregorTemplateName 4815146060435c3efce95c95a092c7a1eb651cfb9ae0John McCallASTContext::getSubstTemplateTemplateParm(TemplateTemplateParmDecl *param, 4816146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateName replacement) const { 4817146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm::FoldingSetNodeID ID; 4818146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage::Profile(ID, param, replacement); 4819146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 4820146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall void *insertPos = 0; 4821146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 4822146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = SubstTemplateTemplateParms.FindNodeOrInsertPos(ID, insertPos); 4823146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 4824146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall if (!subst) { 4825146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall subst = new (*this) SubstTemplateTemplateParmStorage(param, replacement); 4826146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParms.InsertNode(subst, insertPos); 4827146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 4828146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 4829146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return TemplateName(subst); 4830146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall} 4831146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 4832146060435c3efce95c95a092c7a1eb651cfb9ae0John McCallTemplateName 48331aee05d08b2184acadeb36de300e216390780d6cDouglas GregorASTContext::getSubstTemplateTemplateParmPack(TemplateTemplateParmDecl *Param, 48341aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor const TemplateArgument &ArgPack) const { 48351aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ASTContext &Self = const_cast<ASTContext &>(*this); 48361aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor llvm::FoldingSetNodeID ID; 48371aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage::Profile(ID, Self, Param, ArgPack); 48381aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 48391aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor void *InsertPos = 0; 48401aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage *Subst 48411aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = SubstTemplateTemplateParmPacks.FindNodeOrInsertPos(ID, InsertPos); 48421aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 48431aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor if (!Subst) { 4844146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall Subst = new (*this) SubstTemplateTemplateParmPackStorage(Param, 48451aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_size(), 48461aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_begin()); 48471aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPacks.InsertNode(Subst, InsertPos); 48481aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 48491aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 48501aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor return TemplateName(Subst); 48511aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor} 48521aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 4853b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 4854d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 4855d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 4856e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 4857b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 4858e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 4859b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 4860b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 4861b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 4862b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 4863b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 4864b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 4865b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 4866b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 4867b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 4868b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 4869b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 4870e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 4871b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 4872b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4873b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4874b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 4875b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4876b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 48774fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 48784fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 48794fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 4880ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(QualType Ty) const { 4881ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (getLangOptions().getGCMode() == LangOptions::NonGC) 4882ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::GCNone; 4883ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 4884ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(getLangOptions().ObjC1); 4885ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall Qualifiers::GC GCAttrs = Ty.getObjCGCAttr(); 4886ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 4887ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // Default behaviour under objective-C's gc is for ObjC pointers 4888ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // (or pointers to them) be treated as though they were declared 4889ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // as __strong. 4890ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (GCAttrs == Qualifiers::GCNone) { 4891ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 4892ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::Strong; 4893ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall else if (Ty->isPointerType()) 4894ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 4895ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall } else { 4896ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // It's not valid to set GC attributes on anything that isn't a 4897ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // pointer. 4898ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#ifndef NDEBUG 4899ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall QualType CT = Ty->getCanonicalTypeInternal(); 4900ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall while (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 4901ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall CT = AT->getElementType(); 4902ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(CT->isAnyPointerType() || CT->isBlockPointerType()); 4903ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#endif 49044fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 4905b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 49064fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 49074fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 49086ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 49096ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 49106ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 4911770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 49121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 49136ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 49146ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 49156ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 4916467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 49176ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 491861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 49196ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 49206ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4921255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregorbool ASTContext::areCompatibleVectorTypes(QualType FirstVec, 4922255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor QualType SecondVec) { 4923255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(FirstVec->isVectorType() && "FirstVec should be a vector type"); 4924255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(SecondVec->isVectorType() && "SecondVec should be a vector type"); 4925255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4926255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (hasSameUnqualifiedType(FirstVec, SecondVec)) 4927255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4928255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4929f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // Treat Neon vector types and most AltiVec vector types as if they are the 4930f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // equivalent GCC vector types. 4931255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *First = FirstVec->getAs<VectorType>(); 4932255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *Second = SecondVec->getAs<VectorType>(); 4933f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson if (First->getNumElements() == Second->getNumElements() && 4934255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor hasSameType(First->getElementType(), Second->getElementType()) && 4935f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecPixel && 4936f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecBool && 4937f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecPixel && 4938f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecBool) 4939255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4940255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4941255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return false; 4942255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor} 4943255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 49444084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 49454084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 49464084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 49474084c306635b70f37029dca938444e6013f08684Steve Naroff 49484084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 49494084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 49504ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool 49514ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 49524ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad ObjCProtocolDecl *rProto) const { 49534084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 495414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 49554084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 49564084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 49574084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 49584084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 49594084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 49604084c306635b70f37029dca938444e6013f08684Steve Naroff} 496114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 49624084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 49634084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 49644084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 49654084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 49664084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 49674084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 49684084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 49694084c306635b70f37029dca938444e6013f08684Steve Naroff} 49704084c306635b70f37029dca938444e6013f08684Steve Naroff 4971a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// ObjCQualifiedClassTypesAreCompatible - compare Class<p,...> and 4972a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// Class<p1, ...>. 4973a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanianbool ASTContext::ObjCQualifiedClassTypesAreCompatible(QualType lhs, 4974a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType rhs) { 4975a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *lhsQID = lhs->getAs<ObjCObjectPointerType>(); 4976a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 4977a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian assert ((lhsQID && rhsOPT) && "ObjCQualifiedClassTypesAreCompatible"); 4978a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4979a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 4980a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = lhsQID->qual_end(); I != E; ++I) { 4981a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian bool match = false; 4982a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *lhsProto = *I; 4983a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 4984a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = rhsOPT->qual_end(); J != E; ++J) { 4985a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 4986a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto)) { 4987a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian match = true; 4988a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian break; 4989a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4990a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4991a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (!match) 4992a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return false; 4993a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4994a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return true; 4995a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian} 4996a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 49974084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 49984084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 49994084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 50004084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 50014084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 50021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 50034084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 50044084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 50051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 50064084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 50074084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 50084084c306635b70f37029dca938444e6013f08684Steve Naroff 50094084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 5010183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 50111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50124084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 50131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50144084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 50151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 50164084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 50174084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 50184084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 50194084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 50204084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 50214084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 50224084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 50230fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 50244084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 50254084c306635b70f37029dca938444e6013f08684Steve Naroff } 50264084c306635b70f37029dca938444e6013f08684Steve Naroff } 50274084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 50284084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 50294084c306635b70f37029dca938444e6013f08684Steve Naroff } 50301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 50314084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 50324084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 50334084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 50344084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 5035de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 5036de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 5037de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 5038de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 50394084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 50404084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 50414084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 50424084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 50434084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 50444084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 50458f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 50468f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 5047de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 50481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 50494084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 50504084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 50514084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 50524084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 50534084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 50544084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 50554084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 50560fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 50574084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 50584084c306635b70f37029dca938444e6013f08684Steve Naroff break; 50594084c306635b70f37029dca938444e6013f08684Steve Naroff } 50604084c306635b70f37029dca938444e6013f08684Steve Naroff } 50614084c306635b70f37029dca938444e6013f08684Steve Naroff } 50624084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 5063de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 5064de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 50651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5066de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 5067de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 50681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50694084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 50704084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 50714084c306635b70f37029dca938444e6013f08684Steve Naroff 50721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 50734084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 5074de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // If both the right and left sides have qualifiers. 50754084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 50764084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 50774084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 50784084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 50794084c306635b70f37029dca938444e6013f08684Steve Naroff 5080de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // when comparing an id<P> on rhs with a static type on lhs, 50814084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 50824084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 5083de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // First, lhs protocols in the qualifier list must be found, direct 5084de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // or indirect in rhs's qualifier list or it is a mismatch. 50854084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 50864084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 50874084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 50884084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 50894084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 50904084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 50914084c306635b70f37029dca938444e6013f08684Steve Naroff break; 50924084c306635b70f37029dca938444e6013f08684Steve Naroff } 50934084c306635b70f37029dca938444e6013f08684Steve Naroff } 50944084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 50954084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 50964084c306635b70f37029dca938444e6013f08684Steve Naroff } 5097de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian 5098de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // Static class's protocols, or its super class or category protocols 5099de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // must be found, direct or indirect in rhs's qualifier list or it is a mismatch. 5100de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 5101de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 5102de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian CollectInheritedProtocols(lhsID, LHSInheritedProtocols); 5103de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // This is rather dubious but matches gcc's behavior. If lhs has 5104de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // no type qualifier and its class has no static protocol(s) 5105de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // assume that it is mismatch. 5106de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (LHSInheritedProtocols.empty() && lhsOPT->qual_empty()) 5107de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 5108de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5109de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian LHSInheritedProtocols.begin(), 5110de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = LHSInheritedProtocols.end(); I != E; ++I) { 5111de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian bool match = false; 5112de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *lhsProto = (*I); 5113de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 5114de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = rhsQID->qual_end(); J != E; ++J) { 5115de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 5116de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 5117de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 5118de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian match = true; 5119de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian break; 5120de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5121de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5122de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (!match) 5123de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 5124de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5125de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 51264084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 51274084c306635b70f37029dca938444e6013f08684Steve Naroff } 51284084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 51294084c306635b70f37029dca938444e6013f08684Steve Naroff} 51304084c306635b70f37029dca938444e6013f08684Steve Naroff 51314084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 51324084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 51334084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 51344084c306635b70f37029dca938444e6013f08684Steve Naroff/// 51354084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 51364084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 5137c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 5138c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 5139c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 51404084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 5141c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 5142c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 51434084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 51444084c306635b70f37029dca938444e6013f08684Steve Naroff 5145c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 51461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 51471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 51484084c306635b70f37029dca938444e6013f08684Steve Naroff false); 5149a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5150a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (LHS->isObjCQualifiedClass() && RHS->isObjCQualifiedClass()) 5151a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return ObjCQualifiedClassTypesAreCompatible(QualType(LHSOPT,0), 5152a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType(RHSOPT,0)); 5153a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5154c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 5155c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 51564084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 51571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51584084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 515914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 516014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5161132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 5162fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner/// for providing type-safety for objective-c pointers used to pass/return 5163132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 5164132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 5165132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 5166132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 5167132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 5168a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 5169a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian bool BlockReturnType) { 5170a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 5171132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 5172132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5173132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 5174132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 5175132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5176132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5177a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 5178132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 5179132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 5180132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 5181132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5182132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 5183132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 5184132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 5185132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 5186132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 5187a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian return BlockReturnType; 5188132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 5189a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian return !BlockReturnType; 5190132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5191132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 5192132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 5193132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5194132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 5195132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 5196132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5197e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 5198e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 5199e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 5200e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 5201e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 5202e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 5203e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 5204e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 52055f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 5206e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5207c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 5208c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 5209c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 5210c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 5211e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5212e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 5213e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 5214e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 5215e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 5216e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 5217432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 5218c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 5219c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 5220e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 5221e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 5222e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 5223e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5224e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 5225e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 5226cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 5227cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 5228e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 5229e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 5230e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 5231e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 5232e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 5233432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 5234c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 5235c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 5236432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5237432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 5238432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 5239432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 5240432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 5241e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 5242e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 5243e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5244db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 5245db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 5246db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 5247db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 5248db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 5249c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 5250c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 5251c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 5252c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 5253c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 5254c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 52557c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian if (!LDecl || !RDecl || (LDecl == RDecl)) 5256db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 5257db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 52587c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian do { 5259c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 5260e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 52615f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<ObjCProtocolDecl *, 8> Protocols; 5262c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 5263c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5264c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 5265c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 5266c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 5267c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 5268c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 5269e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 52707c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian } while ((LDecl = LDecl->getSuperClass())); 5271db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 5272db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 5273db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 5274db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 5275c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 5276c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 5277c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 5278c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 5279c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 52806ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 52816ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 5282c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 52836ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 52841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52856ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 52866ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 5287c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 52886ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 52891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5290b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, 5291b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // more detailed analysis is required. 5292b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (RHS->getNumProtocols() == 0) { 5293b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // OK, if LHS is a superclass of RHS *and* 5294b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // this superclass is assignment compatible with LHS. 5295b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // false otherwise. 5296627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian bool IsSuperClass = 5297627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian LHS->getInterface()->isSuperClassOf(RHS->getInterface()); 5298627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian if (IsSuperClass) { 5299b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // OK if conversion of LHS to SuperClass results in narrowing of types 5300b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // ; i.e., SuperClass may implement at least one of the protocols 5301b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // in LHS's protocol list. Example, SuperObj<P1> = lhs<P1,P2> is ok. 5302b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // But not SuperObj<P1,P2,P3> = lhs<P1,P2>. 5303b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> SuperClassInheritedProtocols; 5304627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian CollectInheritedProtocols(RHS->getInterface(), SuperClassInheritedProtocols); 5305b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // If super class has no protocols, it is not a match. 5306b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (SuperClassInheritedProtocols.empty()) 5307b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5308b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian 5309b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 5310b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian LHSPE = LHS->qual_end(); 5311b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian LHSPI != LHSPE; LHSPI++) { 5312b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian bool SuperImplementsProtocol = false; 5313b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian ObjCProtocolDecl *LHSProto = (*LHSPI); 5314b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian 5315b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5316b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian SuperClassInheritedProtocols.begin(), 5317b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian E = SuperClassInheritedProtocols.end(); I != E; ++I) { 5318b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian ObjCProtocolDecl *SuperClassProto = (*I); 5319b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (SuperClassProto->lookupProtocolNamed(LHSProto->getIdentifier())) { 5320b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian SuperImplementsProtocol = true; 5321b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian break; 5322b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5323b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5324b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (!SuperImplementsProtocol) 5325b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5326b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5327b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return true; 5328b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5329b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5330b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 53311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5332c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 5333c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 533491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 533591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 533691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 533791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 533891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 5339c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 5340c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 53418f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 53428f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 534391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 53448f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 53458f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 534691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 534791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 534891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 534991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 535091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 535191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 535291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 53536ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 53546ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 5355389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 5356389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 5357183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 5358183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 53591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 536014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 5361389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 536214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 536314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 536414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 5365389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 5366389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 5367569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorbool ASTContext::canBindObjCObjectType(QualType To, QualType From) { 5368569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return canAssignObjCInterfaces( 5369569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(To)->getAs<ObjCObjectPointerType>(), 5370569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(From)->getAs<ObjCObjectPointerType>()); 5371569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 5372569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 53731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 5374ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 53751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 5376ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 5377447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregorbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS, 5378447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool CompareUnqualified) { 53790e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 53800e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 53810e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 5382447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return !mergeTypes(LHS, RHS, false, CompareUnqualified).isNull(); 53833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 53843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5385c286f3835eb6001c61664cef5d610dfaf80a6e9bFariborz Jahanianbool ASTContext::propertyTypesAreCompatible(QualType LHS, QualType RHS) { 538682378391dfc3b2fc22f63dbf1552bd9aed39dc42Fariborz Jahanian return typesAreCompatible(LHS, RHS); 5387c286f3835eb6001c61664cef5d610dfaf80a6e9bFariborz Jahanian} 5388c286f3835eb6001c61664cef5d610dfaf80a6e9bFariborz Jahanian 5389132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 5390132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 5391132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 5392132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 53934846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeTransparentUnionType - if T is a transparent union type and a member 53944846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// of T is compatible with SubType, return the merged type, else return 53954846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// QualType() 53964846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeTransparentUnionType(QualType T, QualType SubType, 53974846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 53984846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 53994846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (const RecordType *UT = T->getAsUnionType()) { 54004846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne RecordDecl *UD = UT->getDecl(); 54014846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (UD->hasAttr<TransparentUnionAttr>()) { 54024846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne for (RecordDecl::field_iterator it = UD->field_begin(), 54034846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne itend = UD->field_end(); it != itend; ++it) { 5404f91d7572ee7fa6f2926c8e7e816039a1154a59f8Peter Collingbourne QualType ET = it->getType().getUnqualifiedType(); 54054846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType MT = mergeTypes(ET, SubType, OfBlockPointer, Unqualified); 54064846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!MT.isNull()) 54074846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return MT; 54084846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 54094846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 54104846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 54114846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 54124846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return QualType(); 54134846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 54144846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 54154846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeFunctionArgumentTypes - merge two types which appear as function 54164846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// argument types 54174846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeFunctionArgumentTypes(QualType lhs, QualType rhs, 54184846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 54194846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 54204846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // GNU extension: two types are compatible if they appear as a function 54214846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // argument, one of the types is a transparent union type and the other 54224846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // type is compatible with a union member 54234846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType lmerge = mergeTransparentUnionType(lhs, rhs, OfBlockPointer, 54244846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 54254846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!lmerge.isNull()) 54264846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return lmerge; 54274846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 54284846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType rmerge = mergeTransparentUnionType(rhs, lhs, OfBlockPointer, 54294846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 54304846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!rmerge.isNull()) 54314846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return rmerge; 54324846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 54334846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return mergeTypes(lhs, rhs, OfBlockPointer, Unqualified); 54344846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 54354846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 5436132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 5437447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5438447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 5439183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 5440183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 544172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 544272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 54433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 54443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 54453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 54463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 5447132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 5448d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (OfBlockPointer) { 5449d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType RHS = rbase->getResultType(); 5450d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType LHS = lbase->getResultType(); 5451d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian bool UnqualifiedResult = Unqualified; 5452d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (!UnqualifiedResult) 5453d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian UnqualifiedResult = (!RHS.hasQualifiers() && LHS.hasQualifiers()); 5454a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian retType = mergeTypes(LHS, RHS, true, UnqualifiedResult, true); 5455d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian } 5456132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 54578cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall retType = mergeTypes(lbase->getResultType(), rbase->getResultType(), false, 54588cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall Unqualified); 54593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 5460447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5461447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5462447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = retType.getUnqualifiedType(); 5463447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5464447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType LRetType = getCanonicalType(lbase->getResultType()); 5465447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType RRetType = getCanonicalType(rbase->getResultType()); 5466447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5467447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LRetType = LRetType.getUnqualifiedType(); 5468447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RRetType = RRetType.getUnqualifiedType(); 5469447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5470447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5471447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != LRetType) 547261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 5473447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != RRetType) 547461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 54758cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 54766a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 54776a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 54786a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 54796a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 5480264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 5481264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 54828cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 54838cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Compatible functions must have compatible calling conventions 54848cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (!isSameCallConv(lbaseInfo.getCC(), rbaseInfo.getCC())) 54858cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 54868cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 54878cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Regparm is part of the calling convention. 5488a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman if (lbaseInfo.getHasRegParm() != rbaseInfo.getHasRegParm()) 5489a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman return QualType(); 54908cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (lbaseInfo.getRegParm() != rbaseInfo.getRegParm()) 54918cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 54928cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 5493f85e193739c953358c865005855253af4f68a497John McCall if (lbaseInfo.getProducesResult() != rbaseInfo.getProducesResult()) 5494f85e193739c953358c865005855253af4f68a497John McCall return QualType(); 5495f85e193739c953358c865005855253af4f68a497John McCall 54968cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // It's noreturn if either type is. 54978cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // FIXME: some uses, e.g. conditional exprs, really want this to be 'both'. 54986a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 54998cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (NoReturn != lbaseInfo.getNoReturn()) 55006a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 55018cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (NoReturn != rbaseInfo.getNoReturn()) 55026a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 55031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5504f85e193739c953358c865005855253af4f68a497John McCall FunctionType::ExtInfo einfo = lbaseInfo.withNoReturn(NoReturn); 5505e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 55063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 5507465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 5508465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 55093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 55103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 55113d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 55123d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 55133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 55143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 55153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 55163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 55173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 55183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 55193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 55207fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 55217fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 55227fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 55233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 55245f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 10> types; 55253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 55263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 55273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 55284846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType argtype = mergeFunctionArgumentTypes(largtype, rargtype, 55294846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne OfBlockPointer, 55304846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 55313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 5532447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5533447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5534447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor argtype = argtype.getUnqualifiedType(); 5535447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 55363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 5537447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5538447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor largtype = largtype.getUnqualifiedType(); 5539447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor rargtype = rargtype.getUnqualifiedType(); 5540447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5541447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 554261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 554361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 554461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 554561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 55463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 55473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 55483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5549e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5550e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = lproto->getExtProtoInfo(); 5551e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 5552e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(retType, types.begin(), types.size(), EPI); 55533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 55543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 55553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 55563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 55573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 555872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 55593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 5560465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 55613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 55623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 55633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 55643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 55653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 55663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 55673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 55683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 55693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 5570b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 5571b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 5572b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 5573b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 5574b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 5575b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 55763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 55773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 55783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 55793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 55803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 55813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 55823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5583e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5584e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = proto->getExtProtoInfo(); 5585e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 55863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 5587e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall proto->getNumArgs(), EPI); 55883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 55893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 55903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 55913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 55928cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return getFunctionNoProtoType(retType, einfo); 55933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 55943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5595132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 5596447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5597a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian bool Unqualified, bool BlockReturnType) { 559843d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 559943d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 560043d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 56017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 56027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 56030e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 56040e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 5605447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5606447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5607447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHS = LHS.getUnqualifiedType(); 5608447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHS = RHS.getUnqualifiedType(); 5609447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 56100e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 56113d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 56123d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 56133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5614f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 56153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 56163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 56173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 56180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 5619a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 5620a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 56210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 56220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 56230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 56240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 5625f85e193739c953358c865005855253af4f68a497John McCall LQuals.getAddressSpace() != RQuals.getAddressSpace() || 5626f85e193739c953358c865005855253af4f68a497John McCall LQuals.getObjCLifetime() != RQuals.getObjCLifetime()) 56270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 56280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 56290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 56300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 56310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 56320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 56330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 56340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 56350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 56360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 56370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 56380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 56390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 56400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 56410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 56420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 56430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 56440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 56450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 56460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 56473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 56480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 56490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 56500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 56513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5652852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 5653852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 5654f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 56551adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 56561adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 56571adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 56581adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 56594c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 56604c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 5661a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 5662a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 5663a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 5664a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 56651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5666c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 5667c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 5668c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 5669c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5670213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 5671213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 5672213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 56731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 56744e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 56754e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 56761adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 56771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 5678842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 5679842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 5680183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 56813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 56823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 5683bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 5684183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 56853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 56863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 5687bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 56881adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 56893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 5690ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 56913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 56924a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 56931adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 569472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 569572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 5696ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 569772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 569872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 569972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 570072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 570172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 570272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 57037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 57047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 570572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 570672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 570772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 570872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 5709c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 571072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 571172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 571272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 571372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 571472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 571572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 571672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 57171adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 57183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 57193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 57206217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 57216217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 5722447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5723447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5724447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5725447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5726447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, false, 5727447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 57283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 572907d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 573061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 573107d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 573261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 57333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 57343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 5735c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 5736c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 5737c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 57386217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 57396217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 5740447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5741447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5742447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5743447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5744447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer, 5745447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 5746c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 5747c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 5748c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 5749c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 5750c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 5751c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 5752c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 57531adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 57543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 57553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 57563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 57573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 57583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 57593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 57603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 57613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 5762447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5763447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSElem = LHSElem.getUnqualifiedType(); 5764447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSElem = RHSElem.getUnqualifiedType(); 5765447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5766447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5767447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSElem, RHSElem, false, Unqualified); 57683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 576961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 577061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 577161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 577261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 57733bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 57743bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 57753bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 57763bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 57773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 57783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 577961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 578061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 578161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 578261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 57833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 57843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 57853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 57863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 57873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 57883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 57893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 57903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 57913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 57923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 57933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 57943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 57953bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 57963bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 57977e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 57987e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 57993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 58001adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 5801447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return mergeFunctionTypes(LHS, RHS, OfBlockPointer, Unqualified); 580272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 580372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 58043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 58051adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 58063cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 58073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 580864cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 580964cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 581064cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 58113cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 58125a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 58131c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 58141c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 58153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 581661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 5817c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 5818c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 58195a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 58205a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 5821c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 5822c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 5823c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 58245fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 58255fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 58263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 582761490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 582814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 5829132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 5830132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 5831132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 5832a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian RHS->getAs<ObjCObjectPointerType>(), 5833a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian BlockReturnType)) 5834132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 5835132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 5836132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5837183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 5838183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 583914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 584014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5841bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 5842132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5843ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 584472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 584572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 5846ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 58477192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 58482390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 58492390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 58502390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 58512390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 58522390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 58532390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 58542390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 58552390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 58562390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 58572390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 58582390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 58592390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 58602390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 58612390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 58622390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 58632390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 58642390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 58652390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 58662390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 58672390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 58682390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 58692390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 58702390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 58712390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 58722390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 5873e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 5874e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getFunctionExtInfo(LHS); 58752390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 58762390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 5877e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FPT->getNumArgs(), EPI); 58782390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 58792390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 58802390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 58812390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 58822390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 58832390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 58842390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 58852390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 58862390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 58872390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 58882390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 58892390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 58902390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 58912390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 58922390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 58932390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 58942390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 58952390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 58962390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 58972390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 58982390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 58992390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 59002390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 59012390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 59022390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 59032390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59042390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 59052390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 59062390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 59072390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 59082390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 59092390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59102390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 59112390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 59122390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 59132390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 59142390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 59152390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 59162390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 59172390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 59182390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 59192390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 59202390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 59212390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59222390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 59232390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 59245426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 5925ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 5926ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 592788054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 59284ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getIntWidth(QualType T) const { 5929f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const EnumType *ET = dyn_cast<EnumType>(T)) 593029a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 59311274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (T->isBooleanType()) 59321274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor return 1; 5933f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 5934ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 5935ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5936ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 5937ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 5938f60946222721d9ba3c059563935c17b84703187aDouglas Gregor assert(T->hasSignedIntegerRepresentation() && "Unexpected type"); 59396a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 59406a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 59416a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 59426a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 5943e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VTy->getNumElements(), VTy->getVectorKind()); 59446a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 59456a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 59466a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 5947ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 59486a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 59496a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 59506a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 5951ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 5952ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 5953ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 5954ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 5955ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 5956ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 5957ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 5958ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 5959ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 5960ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 5961ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 5962ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 59632df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 59642df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 5965ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 5966ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 5967ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 5968ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 5969ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5970ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 59717b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios KyrtzidisASTMutationListener::~ASTMutationListener() { } 59727b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios Kyrtzidis 597386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 597486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 597586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 597686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 597786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 597886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 597933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// pointer over the consumed characters. This returns the resultant type. If 598033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// AllowTypeModifiers is false then modifier like * are not parsed, just basic 598133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// types. This allows "v2i*" to be parsed as a pointer to a v2i instead of 598233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// a vector of "i*". 598314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// 598414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// RequiresICE is filled in on return to indicate whether the value is required 598514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// to be an Integer Constant Expression. 59864ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType DecodeTypeFromStr(const char *&Str, const ASTContext &Context, 598786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 598814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool &RequiresICE, 598933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner bool AllowTypeModifiers) { 599086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 599186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 599286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 599314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = false; 5994393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 599533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Read the prefixed modifiers first. 599686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 599786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 599886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 59991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 6000393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner case 'I': 600114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = true; 6002393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner break; 600386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 600486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 600586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 600686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 600786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 600886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 600986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 601086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 601186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 601286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 601386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 601486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 601586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 601686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 601786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 601886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 601986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 602086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 60211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 602286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 602386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 602486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 602586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 602686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 602786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 602886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 602986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 603086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 603186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 603286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 603386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 603486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 603586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 603686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 603786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 603886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 603986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 604086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 604186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 604286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 604386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 604486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 604586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 604686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 604786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 604886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 604986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 605086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 605186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 605286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 605386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 605486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 605586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 605686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 605786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 605886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 605986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 606086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 606186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 606286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 606386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 606486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 606586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 606686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 606786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 606886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 606986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 607086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 607186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 607286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 607386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 607486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 607586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 607686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 607786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 607886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 607986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 6080ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'G': 6081ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCIdType(); 6082ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 6083ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'H': 6084ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCSelType(); 6085ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 608686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 608786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 608886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 608986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 609086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 609186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 609286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 609386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 609486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 609586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 609686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 609786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 609886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 609986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 610086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 610114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (Type->isArrayType()) 610286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 610314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner else 610486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 610586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 610686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 610786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 610886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 610986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 611086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 61111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 611214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, 611314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, false); 611414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require vector ICE"); 611533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner 611633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // TODO: No way to make AltiVec vectors in builtins yet. 6117788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Type = Context.getVectorType(ElementType, NumElements, 6118e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 611986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 612086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6121d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 612214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, RequiresICE, 612314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner false); 612414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require complex ICE"); 6125d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 6126d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 6127d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor } 61289a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 6129c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 6130c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 6131f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 613286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 613386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6134fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 61359a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 6136f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 6137782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 6138f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 6139f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 6140f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 6141fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 6142f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 6143fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 6144fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 6145fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 6146782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 61471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 614833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // If there are modifiers and if we're allowed to parse them, go for it. 614933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Done = !AllowTypeModifiers; 615086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 6151187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 615233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner default: Done = true; --Str; break; 615333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '*': 615433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '&': { 615533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Both pointers and references can have their pointee types 615633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // qualified with an address space. 615733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner char *End; 615833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner unsigned AddrSpace = strtoul(Str, &End, 10); 615933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (End != Str && AddrSpace != 0) { 616033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getAddrSpaceQualType(Type, AddrSpace); 616133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Str = End; 616233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 616333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (c == '*') 616433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getPointerType(Type); 616533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner else 616633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getLValueReferenceType(Type); 616733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 616833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 616933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 617033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'C': 617133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Type.withConst(); 617233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 617333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'D': 617433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getVolatileType(Type); 617533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 617686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 617786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6178393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 617914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert((!RequiresICE || Type->isIntegralOrEnumerationType()) && 6180393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner "Integer constant 'I' type must be an integer"); 61811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 618286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 618386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 618486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 618586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 618633daae66462e8f51ee153463b32bdefd60c801aaChris LattnerQualType ASTContext::GetBuiltinType(unsigned Id, 618714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner GetBuiltinTypeError &Error, 61884ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned *IntegerConstantArgs) const { 618933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(Id); 61901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 61915f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 8> ArgTypes; 61921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 619314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool RequiresICE = false; 619486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 619514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error, 619614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, true); 619786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 619886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 619914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 620014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Result of intrinsic cannot be required to be an ICE"); 620114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 620286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 620314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error, RequiresICE, true); 620486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 620586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 620686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 620714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // If this argument is required to be an IntegerConstantExpression and the 620814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // caller cares, fill in the bitmask we return. 620914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (RequiresICE && IntegerConstantArgs) 621014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner *IntegerConstantArgs |= 1 << ArgTypes.size(); 621114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 621286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 621386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 621486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 62151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 621686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 621786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 621886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 621986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 622086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 622186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 622200ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall FunctionType::ExtInfo EI; 622300ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (BuiltinInfo.isNoReturn(Id)) EI = EI.withNoReturn(true); 622400ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 622500ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall bool Variadic = (TypeStr[0] == '.'); 622600ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 622700ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall // We really shouldn't be making a no-proto type here, especially in C++. 622800ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (ArgTypes.empty() && Variadic) 622900ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall return getFunctionNoProtoType(ResType, EI); 6230ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 6231e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI; 623200ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.ExtInfo = EI; 623300ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.Variadic = Variadic; 6234e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 6235e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), EPI); 623686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 6237a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 623890e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForFunction(const FunctionDecl *FD) { 623990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage External = GVA_StrongExternal; 624090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 624190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = FD->getLinkage(); 624290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 624390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 624490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 624590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 624690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 624790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 624890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 624990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (FD->getTemplateSpecializationKind()) { 625090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 625190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 625290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_StrongExternal; 625390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 625490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 625590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 625690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 625790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 625890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 625990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 626090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_TemplateInstantiation; 626190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 626290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 626390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 626490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 626590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isInlined()) 626690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 626790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 626890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!getLangOptions().CPlusPlus || FD->hasAttr<GNUInlineAttr>()) { 626990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // GNU or C99 inline semantics. Determine whether this symbol should be 627090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // externally visible. 627190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->isInlineDefinitionExternallyVisible()) 627290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 627390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 627490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C99 inline semantics, where the symbol is not externally visible. 627590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 627690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 627790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 627890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C++0x [temp.explicit]p9: 627990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // [ Note: The intent is that an inline function that is the subject of 628090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // an explicit instantiation declaration will still be implicitly 628190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // instantiated when used so that the body can be considered for 628290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // inlining, but that no out-of-line copy of the inline function would be 628390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // generated in the translation unit. -- end note ] 628490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->getTemplateSpecializationKind() 628590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis == TSK_ExplicitInstantiationDeclaration) 628690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 628790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 628890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_CXXInline; 628990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 629090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 629190e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForVariable(const VarDecl *VD) { 629290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // If this is a static data member, compute the kind of template 629390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // specialization. Otherwise, this variable is not part of a 629490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // template. 629590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TemplateSpecializationKind TSK = TSK_Undeclared; 629690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (VD->isStaticDataMember()) 629790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TSK = VD->getTemplateSpecializationKind(); 629890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 629990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = VD->getLinkage(); 630090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 630190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis VD->getType()->getLinkage() == UniqueExternalLinkage) 630290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 630390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 630490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 630590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 630690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 630790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 630890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 630990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 631090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 631190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (TSK) { 631290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 631390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 631490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 631590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 631690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 631790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis llvm_unreachable("Variable should not be instantiated"); 631890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Fall through to treat this like any other instantiation. 631990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 632090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 632190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 632290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 632390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 632490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_TemplateInstantiation; 632590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 632690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 632790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 632890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 632990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 633090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 63314ac7c0bb39696e92fd220118fedc484c09a69870Argyrios Kyrtzidisbool ASTContext::DeclMustBeEmitted(const Decl *D) { 633290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 633390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!VD->isFileVarDecl()) 633490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 633590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } else if (!isa<FunctionDecl>(D)) 633690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 633790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 6338ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis // Weak references don't produce any output by themselves. 6339ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (D->hasAttr<WeakRefAttr>()) 6340ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 6341ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 634290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Aliases and used decls are required. 634390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (D->hasAttr<AliasAttr>() || D->hasAttr<UsedAttr>()) 634490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 634590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 634690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 634790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Forward declarations aren't required. 634810620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt if (!FD->doesThisDeclarationHaveABody()) 6349dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky return FD->doesDeclarationForceExternallyVisibleDefinition(); 635090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 635190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Constructors and destructors are required. 635290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->hasAttr<ConstructorAttr>() || FD->hasAttr<DestructorAttr>()) 635390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 635490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 635590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // The key function for a class is required. 635690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 635790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXRecordDecl *RD = MD->getParent(); 635890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (MD->isOutOfLine() && RD->isDynamicClass()) { 635990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXMethodDecl *KeyFunc = getKeyFunction(RD); 636090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (KeyFunc && KeyFunc->getCanonicalDecl() == MD->getCanonicalDecl()) 636190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 636290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 636390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 636490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 636590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage Linkage = GetGVALinkageForFunction(FD); 636690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 636790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // static, static inline, always_inline, and extern inline functions can 636890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // always be deferred. Normal inline functions can be deferred in C99/C++. 636990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Implicit template instantiations can also be deferred in C++. 637090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (Linkage == GVA_Internal || Linkage == GVA_C99Inline || 637190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage == GVA_CXXInline || Linkage == GVA_TemplateInstantiation) 637290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 637390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 637490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 637590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 637690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const VarDecl *VD = cast<VarDecl>(D); 637790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis assert(VD->isFileVarDecl() && "Expected file scoped var"); 637890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 6379ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (VD->isThisDeclarationADefinition() == VarDecl::DeclarationOnly) 6380ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 6381ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 638290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Structs that have non-trivial constructors or destructors are required. 638390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 638490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // FIXME: Handle references. 6385023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt // FIXME: Be more selective about which constructors we care about. 638690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const RecordType *RT = VD->getType()->getAs<RecordType>()) { 638790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl())) { 6388023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt if (RD->hasDefinition() && !(RD->hasTrivialDefaultConstructor() && 6389023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialCopyConstructor() && 6390023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialMoveConstructor() && 6391023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialDestructor())) 639290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 639390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 639490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 639590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 639690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage L = GetGVALinkageForVariable(VD); 639790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == GVA_Internal || L == GVA_TemplateInstantiation) { 639890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!(VD->getInit() && VD->getInit()->HasSideEffects(*this))) 639990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 640090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 640190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 640290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 640390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 6404071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 6405ee743f903858e337434ac0335f147f4de4ecae05Charles DavisCallingConv ASTContext::getDefaultMethodCallConv() { 6406ee743f903858e337434ac0335f147f4de4ecae05Charles Davis // Pass through to the C++ ABI object 6407ee743f903858e337434ac0335f147f4de4ecae05Charles Davis return ABI->getDefaultMethodCallConv(); 6408ee743f903858e337434ac0335f147f4de4ecae05Charles Davis} 6409ee743f903858e337434ac0335f147f4de4ecae05Charles Davis 64104ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::isNearlyEmpty(const CXXRecordDecl *RD) const { 6411dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson // Pass through to the C++ ABI object 6412dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson return ABI->isNearlyEmpty(RD); 6413dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson} 6414dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson 641514110477887e3dc168ffc6c191e72d705051f99ePeter CollingbourneMangleContext *ASTContext::createMangleContext() { 641614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne switch (Target.getCXXABI()) { 641714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_ARM: 641814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Itanium: 641914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createItaniumMangleContext(*this, getDiagnostics()); 642014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Microsoft: 642114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createMicrosoftMangleContext(*this, getDiagnostics()); 642214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne } 642314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne assert(0 && "Unsupported ABI"); 642414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return 0; 642514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne} 642614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 6427071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI::~CXXABI() {} 6428ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek 6429ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremeneksize_t ASTContext::getSideTableAllocatedMemory() const { 64300c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek return ASTRecordLayouts.getMemorySize() 64310c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(ObjCLayouts) 64320c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(KeyFunctions) 64330c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(ObjCImpls) 64340c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(BlockVarCopyInits) 64350c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(DeclAttrs) 64360c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromStaticDataMember) 64370c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromUsingDecl) 64380c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromUsingShadowDecl) 64390c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromUnnamedFieldDecl) 64400c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(OverriddenMethods) 64410c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(Types) 64420c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(VariableArrayTypes); 6443ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek} 6444