ASTContext.cpp revision e289d81369914678db386f6aa86faf8f178e245d
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 199bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregorstatic 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 }; 209bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor return &FakeAddrSpaceMap; 210207f4d8543529221932af82836016a2ef066c917Peter Collingbourne } else { 211bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor return &T.getAddressSpaceMap(); 212207f4d8543529221932af82836016a2ef066c917Peter Collingbourne } 213207f4d8543529221932af82836016a2ef066c917Peter Collingbourne} 214207f4d8543529221932af82836016a2ef066c917Peter Collingbourne 2153e3cd93b2fd9644e970c389e715c13883faf68b6Douglas GregorASTContext::ASTContext(LangOptions& LOpts, SourceManager &SM, 216bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor const TargetInfo *t, 217e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar IdentifierTable &idents, SelectorTable &sels, 2181b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 219bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor unsigned size_reserve, 220bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor bool DelayInitialization) 221bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor : FunctionProtoTypes(this_()), 222bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor TemplateSpecializationTypes(this_()), 223bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor DependentTemplateSpecializationTypes(this_()), 224bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor SubstTemplateTemplateParmPacks(this_()), 225bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor GlobalNestedNameSpecifier(0), 226bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Int128Decl(0), UInt128Decl(0), 227bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor ObjCIdDecl(0), ObjCSelDecl(0), ObjCClassDecl(0), 228e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor CFConstantStringTypeDecl(0), ObjCInstanceTypeDecl(0), 229bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor FILEDecl(0), 230bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor jmp_bufDecl(0), sigjmp_bufDecl(0), BlockDescriptorType(0), 231bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor BlockDescriptorExtendedType(0), cudaConfigureCallDecl(0), 232bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor NullTypeSourceInfo(QualType()), 233bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor SourceMgr(SM), LangOpts(LOpts), 234bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor AddrSpaceMap(0), Target(t), 235bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Idents(idents), Selectors(sels), 236bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor BuiltinInfo(builtins), 237bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor DeclarationNames(*this), 238bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor ExternalSource(0), Listener(0), PrintingPolicy(LOpts), 239bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor LastSDM(0, 0), 240bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor UniqueBlockByRefTypeID(0) 241bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor{ 2421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 243e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 244bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor 245bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor if (!DelayInitialization) { 246bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor assert(t && "No target supplied for ASTContext initialization"); 247bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor InitBuiltinTypes(*t); 248bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor } 249e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 250e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 2515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 2523478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // Release the DenseMaps associated with DeclContext objects. 2533478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: Is this the ideal solution? 2543478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek ReleaseDeclContextMaps(); 2557d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 25663fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Call all of the deallocation functions. 25763fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (unsigned I = 0, N = Deallocations.size(); I != N; ++I) 25863fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor Deallocations[I].first(Deallocations[I].second); 2590054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2607d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // Release all of the memory associated with overridden C++ methods. 2617d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor for (llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::iterator 2627d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM = OverriddenMethods.begin(), OMEnd = OverriddenMethods.end(); 2637d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM != OMEnd; ++OM) 2647d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM->second.Destroy(); 2653478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek 266dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // ASTRecordLayout objects in ASTRecordLayouts must always be destroyed 26763fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // because they can contain DenseMaps. 26863fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (llvm::DenseMap<const ObjCContainerDecl*, 26963fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor const ASTRecordLayout*>::iterator 27063fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor I = ObjCLayouts.begin(), E = ObjCLayouts.end(); I != E; ) 27163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Increment in loop to prevent using deallocated memory. 27263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 27363fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor R->Destroy(*this); 27463fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor 275dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek for (llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 276dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { 277dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // Increment in loop to prevent using deallocated memory. 278dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 279dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek R->Destroy(*this); 280dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek } 2816320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 2826320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor for (llvm::DenseMap<const Decl*, AttrVec*>::iterator A = DeclAttrs.begin(), 2836320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AEnd = DeclAttrs.end(); 2846320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A != AEnd; ++A) 2856320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A->second->~AttrVec(); 2866320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 287ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 2880054531488928a424666ac11fcdc6bcc5112de52Douglas Gregorvoid ASTContext::AddDeallocation(void (*Callback)(void*), void *Data) { 2890054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor Deallocations.push_back(std::make_pair(Callback, Data)); 2900054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor} 2910054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 2932cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 2942cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 2952cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 2962cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 298cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << "\n*** AST Context Stats:\n"; 299cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << " " << Types.size() << " types total.\n"; 3007c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 301dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 3021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 303dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 304dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 305dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 306dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 307c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 310dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 313dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 314dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 315dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 316dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 317cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << " " << counts[Idx] << " " << #Name \ 318cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " types\n"; \ 319dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 320dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 321dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 322dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 3231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 324cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << "Total bytes = " << TotalBytes << "\n"; 325cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth 3264923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor // Implicit special member functions. 327cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitDefaultConstructorsDeclared << "/" 328cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitDefaultConstructors 329cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit default constructors created\n"; 330cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitCopyConstructorsDeclared << "/" 331cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitCopyConstructors 332cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit copy constructors created\n"; 333ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt if (getLangOptions().CPlusPlus) 334cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitMoveConstructorsDeclared << "/" 335cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitMoveConstructors 336cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit move constructors created\n"; 337cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitCopyAssignmentOperatorsDeclared << "/" 338cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitCopyAssignmentOperators 339cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit copy assignment operators created\n"; 340ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt if (getLangOptions().CPlusPlus) 341cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitMoveAssignmentOperatorsDeclared << "/" 342cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitMoveAssignmentOperators 343cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit move assignment operators created\n"; 344cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitDestructorsDeclared << "/" 345cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitDestructors 346cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit destructors created\n"; 347cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth 3482cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 349cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << "\n"; 3502cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 3512cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 352cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth 35363fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor BumpAlloc.PrintStats(); 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 356772eeaefef2c883aabe35caf4543e7e32d290183Douglas GregorTypedefDecl *ASTContext::getInt128Decl() const { 357772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor if (!Int128Decl) { 358772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor TypeSourceInfo *TInfo = getTrivialTypeSourceInfo(Int128Ty); 359772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor Int128Decl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 360772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor getTranslationUnitDecl(), 361772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor SourceLocation(), 362772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor SourceLocation(), 363772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor &Idents.get("__int128_t"), 364772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor TInfo); 365772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor } 366772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor 367772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor return Int128Decl; 368772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor} 369772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor 370772eeaefef2c883aabe35caf4543e7e32d290183Douglas GregorTypedefDecl *ASTContext::getUInt128Decl() const { 371772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor if (!UInt128Decl) { 372772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor TypeSourceInfo *TInfo = getTrivialTypeSourceInfo(UnsignedInt128Ty); 373772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor UInt128Decl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 374772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor getTranslationUnitDecl(), 375772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor SourceLocation(), 376772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor SourceLocation(), 377772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor &Idents.get("__uint128_t"), 378772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor TInfo); 379772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor } 380772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor 381772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor return UInt128Decl; 382772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor} 3835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 384e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 3856b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 386e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 3876b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 390bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregorvoid ASTContext::InitBuiltinTypes(const TargetInfo &Target) { 391bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor assert((!this->Target || this->Target == &Target) && 392bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor "Incorrect target reinitialization"); 3935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 3941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 395bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor this->Target = &Target; 396bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor 397bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor ABI.reset(createCXXABI(Target)); 398bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor AddrSpaceMap = getAddressSpaceMap(Target, LangOpts); 399bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor 4005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 4015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 4021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 4045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 40615b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 4075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 4135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 4155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 4161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 4185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 4195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 4205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 4215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 4225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 4231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 4255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 4275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 42864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 4292df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 4302df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 4312df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 4322df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 4333f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (LangOpts.CPlusPlus) { // C++ 3.9.1p5 434d3d77cd138f8e830f6547b6f83fcd5721ccf5f5dEli Friedman if (TargetInfo::isTypeSigned(Target.getWCharType())) 4353f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_S); 4363f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner else // -fshort-wchar makes wchar_t be unsigned. 4373f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_U); 4383f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner } else // C99 4393a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 44064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 441f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 442f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 443f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 444f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 445f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 446f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 447f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 448f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 449f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 450f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 451898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 452898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 453898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 454898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 455898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 456898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 4578e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 4582a984cad5ac3fdceeff2bd99daa7b90979313475John McCall // Placeholder type for functions. 4592a984cad5ac3fdceeff2bd99daa7b90979313475John McCall InitBuiltinType(OverloadTy, BuiltinType::Overload); 4602a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 461864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall // Placeholder type for bound members. 462864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall InitBuiltinType(BoundMemberTy, BuiltinType::BoundMember); 463864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 4641de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall // "any" type; useful for debugger-like clients. 4651de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall InitBuiltinType(UnknownAnyTy, BuiltinType::UnknownAny); 4661de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall 4675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 4685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 4695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 4705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 4718e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 4727e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 4731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 475de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 476de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 47713dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 47814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 479a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 4801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 48233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 4836e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 4846e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 4856e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 4865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 48878a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios KyrtzidisDiagnostic &ASTContext::getDiagnostics() const { 48978a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis return SourceMgr.getDiagnostics(); 49078a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis} 49178a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis 4926320064d0c60fa8683f5623881c9394fd4aa7689Douglas GregorAttrVec& ASTContext::getDeclAttrs(const Decl *D) { 4936320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AttrVec *&Result = DeclAttrs[D]; 4946320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (!Result) { 4956320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor void *Mem = Allocate(sizeof(AttrVec)); 4966320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Result = new (Mem) AttrVec; 4976320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 4986320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 4996320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor return *Result; 5006320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 5016320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 5026320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor/// \brief Erase the attributes corresponding to the given declaration. 5036320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregorvoid ASTContext::eraseDeclAttrs(const Decl *D) { 5046320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor llvm::DenseMap<const Decl*, AttrVec*>::iterator Pos = DeclAttrs.find(D); 5056320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (Pos != DeclAttrs.end()) { 5066320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Pos->second->~AttrVec(); 5076320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor DeclAttrs.erase(Pos); 5086320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 5096320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 5106320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 511251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 512663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 5137caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 514663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 5157caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 5167caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 5177caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 5181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5197caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 5207caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 5217caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 5221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 523251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 5249421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis TemplateSpecializationKind TSK, 5259421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis SourceLocation PointOfInstantiation) { 5267caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 5277caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 5287caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 5297caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 530251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 5319421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis = new (*this) MemberSpecializationInfo(Tmpl, TSK, PointOfInstantiation); 5327caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 5337caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 534af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois PichetFunctionDecl *ASTContext::getClassScopeSpecializationPattern( 535af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet const FunctionDecl *FD){ 536af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet assert(FD && "Specialization is 0"); 537af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet llvm::DenseMap<const FunctionDecl*, FunctionDecl *>::const_iterator Pos 5380d95f0d7b81110f77e99e833f766d19be7b7e072Francois Pichet = ClassScopeSpecializationPattern.find(FD); 5390d95f0d7b81110f77e99e833f766d19be7b7e072Francois Pichet if (Pos == ClassScopeSpecializationPattern.end()) 540af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet return 0; 541af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet 542af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet return Pos->second; 543af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet} 544af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet 545af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichetvoid ASTContext::setClassScopeSpecializationPattern(FunctionDecl *FD, 546af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet FunctionDecl *Pattern) { 547af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet assert(FD && "Specialization is 0"); 548af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet assert(Pattern && "Class scope specialization pattern is 0"); 5490d95f0d7b81110f77e99e833f766d19be7b7e072Francois Pichet ClassScopeSpecializationPattern[FD] = Pattern; 550af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet} 551af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet 5527ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 553ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 5547ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 555ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 556ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 5570d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 5581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5590d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 5600d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 5610d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 5620d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 563ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 564ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 565ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 566ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 567ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 568ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 569ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 570ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 571ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 572ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 573ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 574ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 575ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 576ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 577ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 578ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 579ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 580ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 581ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 582ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 583ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 584ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 585ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 586ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 5870d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 5880d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 589d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 590d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 591d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 592d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 593d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 5941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 595d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 596d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 597d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 598d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 599d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 600d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 601d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 602d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 603d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 6041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 605d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 606d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 607d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 60814d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanianbool ASTContext::ZeroBitfieldFollowsNonBitfield(const FieldDecl *FD, 60914d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian const FieldDecl *LastFD) const { 61014d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian return (FD->isBitField() && LastFD && !LastFD->isBitField() && 611682b7f8506b70024d3ae88b53a07332bd2cca55eChad Rosier FD->getBitWidth()->EvaluateAsInt(*this).getZExtValue() == 0); 61214d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian} 61314d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian 614340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanianbool ASTContext::ZeroBitfieldFollowsBitfield(const FieldDecl *FD, 615340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian const FieldDecl *LastFD) const { 616340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian return (FD->isBitField() && LastFD && LastFD->isBitField() && 617682b7f8506b70024d3ae88b53a07332bd2cca55eChad Rosier FD->getBitWidth()->EvaluateAsInt(*this).getZExtValue() == 0 && 618682b7f8506b70024d3ae88b53a07332bd2cca55eChad Rosier LastFD->getBitWidth()->EvaluateAsInt(*this).getZExtValue() != 0); 619340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian} 620340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian 6219b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanianbool ASTContext::BitfieldFollowsBitfield(const FieldDecl *FD, 6229b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian const FieldDecl *LastFD) const { 6239b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian return (FD->isBitField() && LastFD && LastFD->isBitField() && 624682b7f8506b70024d3ae88b53a07332bd2cca55eChad Rosier FD->getBitWidth()->EvaluateAsInt(*this).getZExtValue() && 625682b7f8506b70024d3ae88b53a07332bd2cca55eChad Rosier LastFD->getBitWidth()->EvaluateAsInt(*this).getZExtValue()); 6269b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian} 6279b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian 628dd7fddb5b6883326e52b278a9b7e9cefea29aae0Chad Rosierbool ASTContext::NonBitfieldFollowsBitfield(const FieldDecl *FD, 62952bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian const FieldDecl *LastFD) const { 63052bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian return (!FD->isBitField() && LastFD && LastFD->isBitField() && 631682b7f8506b70024d3ae88b53a07332bd2cca55eChad Rosier LastFD->getBitWidth()->EvaluateAsInt(*this).getZExtValue()); 63252bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian} 63352bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian 634dd7fddb5b6883326e52b278a9b7e9cefea29aae0Chad Rosierbool ASTContext::BitfieldFollowsNonBitfield(const FieldDecl *FD, 63552bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian const FieldDecl *LastFD) const { 63652bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian return (FD->isBitField() && LastFD && !LastFD->isBitField() && 637682b7f8506b70024d3ae88b53a07332bd2cca55eChad Rosier FD->getBitWidth()->EvaluateAsInt(*this).getZExtValue()); 63852bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian} 63952bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian 6407d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 6417d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 6427d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 6437d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 6447d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 6457d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 6467d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 6477d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 6487d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 6497d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 6507d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 6517d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 6527d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 6537d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 6547d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 6557d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 6567d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 6577d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 6587d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 6597d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 660c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidisunsigned 661c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios KyrtzidisASTContext::overridden_methods_size(const CXXMethodDecl *Method) const { 662c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 663c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis = OverriddenMethods.find(Method); 664c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis if (Pos == OverriddenMethods.end()) 665c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return 0; 666c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 667c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return Pos->second.size(); 668c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis} 669c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 6707d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 6717d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 6727d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 6737d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 6747d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 675464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 676464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 677464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 678a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 679b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 680b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 681b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 682183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 683b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 684b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 685b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 686bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor case BuiltinType::Float: return Target->getFloatFormat(); 687bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor case BuiltinType::Double: return Target->getDoubleFormat(); 688bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor case BuiltinType::LongDouble: return Target->getLongDoubleFormat(); 689b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 690b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 691b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 6928b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 693af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 694af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 6955d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 6965d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 6974ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) const { 698bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor unsigned Align = Target->getCharWidth(); 699dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 7004081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall bool UseAlignAttrOnly = false; 7014081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (unsigned AlignFromAttr = D->getMaxAlignment()) { 7024081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall Align = AlignFromAttr; 7034081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall 7044081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // __attribute__((aligned)) can increase or decrease alignment 7054081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // *except* on a struct or struct member, where it only increases 7064081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // alignment unless 'packed' is also specified. 7074081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // 7084081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // It is an error for [[align]] to decrease alignment, so we can 7094081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // ignore that possibility; Sema should diagnose it. 7104081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (isa<FieldDecl>(D)) { 7114081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = D->hasAttr<PackedAttr>() || 7124081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 7134081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else { 7144081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = true; 7154081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 7164081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 71778a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian else if (isa<FieldDecl>(D)) 71878a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian UseAlignAttrOnly = 71978a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian D->hasAttr<PackedAttr>() || 72078a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 721dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 722ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // If we're using the align attribute only, just ignore everything 723ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // else about the declaration and its type. 7244081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (UseAlignAttrOnly) { 725ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // do nothing 726ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 7274081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 728af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 7296217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 7305d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 7315d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 7325d484e8cf710207010720589d89602233de61d01Sebastian Redl else 7335d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 7345d484e8cf710207010720589d89602233de61d01Sebastian Redl } 7355d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 7363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Adjust alignments of declarations with array type by the 7373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // large-array alignment on the target. 738bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor unsigned MinWidth = Target->getLargeArrayMinWidth(); 7393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *arrayType; 7403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (MinWidth && (arrayType = getAsArrayType(T))) { 7413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (isa<VariableArrayType>(arrayType)) 742bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = std::max(Align, Target->getLargeArrayAlign()); 7433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall else if (isa<ConstantArrayType>(arrayType) && 7443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall MinWidth <= getTypeSize(cast<ConstantArrayType>(arrayType))) 745bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = std::max(Align, Target->getLargeArrayAlign()); 7463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 7473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Walk through any array types while we're at it. 7483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall T = getBaseElementType(arrayType); 7496deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola } 7509f1210c3280104417a4ad30f0a00825ac8fa718aChad Rosier Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 751dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 752ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 753ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Fields can be subject to extra alignment constraints, like if 754ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the field is packed, the struct is packed, or the struct has a 755ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // a max-field-alignment constraint (#pragma pack). So calculate 756ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the actual alignment of the field within the struct, and then 757ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // (as we're expected to) constrain that by the alignment of the type. 758ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (const FieldDecl *field = dyn_cast<FieldDecl>(VD)) { 759ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // So calculate the alignment of the field. 760ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall const ASTRecordLayout &layout = getASTRecordLayout(field->getParent()); 761ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 762ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Start with the record's overall alignment. 763dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck unsigned fieldAlign = toBits(layout.getAlignment()); 764ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 765ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Use the GCD of that and the offset within the record. 766ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t offset = layout.getFieldOffset(field->getFieldIndex()); 767ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (offset > 0) { 768ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Alignment is always a power of 2, so the GCD will be a power of 2, 769ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // which means we get to do this crazy thing instead of Euclid's. 770ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t lowBitOfOffset = offset & (~offset + 1); 771ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (lowBitOfOffset < fieldAlign) 772ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall fieldAlign = static_cast<unsigned>(lowBitOfOffset); 773ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall } 774ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 775ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall Align = std::min(Align, fieldAlign); 77605f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 777af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 778dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 779eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(Align); 780af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 781b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 782ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 783bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(const Type *T) const { 784ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 785eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return std::make_pair(toCharUnitsFromBits(Info.first), 786eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck toCharUnitsFromBits(Info.second)); 787ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 788ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 789ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 790bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(QualType T) const { 791ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 792ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 793ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 794a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 795a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 7960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 7970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 7980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 7990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 800d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 8014ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getTypeInfo(const Type *T) const { 8025e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 8035e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 804a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 80572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 80672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 80718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 80872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 80972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 810d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall llvm_unreachable("Should not see dependent types"); 81172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 81272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 8135d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 8145d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 81518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 81618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 81718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 81818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 81918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 82072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 821fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 82218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 82318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 82418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 82518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 826fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 8271d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 8281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 82998be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 8309e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 831030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 832cd88b4171753dcb2bc0a21d78f1597c796bb8a20Argyrios Kyrtzidis Width = llvm::RoundUpToAlignment(Width, Align); 833030d8846c7e520330007087e949f621989876e3aChris Lattner break; 8345c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 835213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 836030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 8379fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 8389fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 8399fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 8404bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 8416fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 8426fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 8438eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 8449fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 8459fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 8469fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 847030d8846c7e520330007087e949f621989876e3aChris Lattner break; 848030d8846c7e520330007087e949f621989876e3aChris Lattner } 8495d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 8509e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 851a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 852692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 853d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 85418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 85518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 85618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 85718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 85818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 8596f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 860bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getBoolWidth(); 861bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getBoolAlign(); 8626f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 863692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 864692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 865692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 8666f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 867bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getCharWidth(); 868bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getCharAlign(); 8696f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 8703f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 8713f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 872bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getWCharWidth(); 873bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getWCharAlign(); 87464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 875f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 876bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getChar16Width(); 877bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getChar16Align(); 878f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 879f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 880bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getChar32Width(); 881bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getChar32Align(); 882f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 883692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 8846f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 885bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getShortWidth(); 886bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getShortAlign(); 8876f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 888692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 8896f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 890bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getIntWidth(); 891bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getIntAlign(); 8926f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 893692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 8946f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 895bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getLongWidth(); 896bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getLongAlign(); 8976f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 898692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 8996f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 900bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getLongLongWidth(); 901bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getLongLongAlign(); 9026f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 903ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 904ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 905ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 906ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 907ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 9086f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 909bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getFloatWidth(); 910bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getFloatAlign(); 9116f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 9126f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 913bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getDoubleWidth(); 914bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getDoubleAlign(); 9156f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 9166f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 917bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getLongDoubleWidth(); 918bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getLongDoubleAlign(); 9196f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 9206e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 921bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 922bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(0); // == sizeof(void*) 9231590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 924e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCId: 925e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCClass: 926e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCSel: 927bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(0); 928bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(0); 929e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian break; 930a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 931bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 932d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 933bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(0); 934bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(0); 9356f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 936485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 937207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace( 938207f4d8543529221932af82836016a2ef066c917Peter Collingbourne cast<BlockPointerType>(T)->getPointeeType()); 939bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(AS); 940bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(AS); 941485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 942485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 9435d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 9445d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 9455d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 9465d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 947207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace( 948207f4d8543529221932af82836016a2ef066c917Peter Collingbourne cast<ReferenceType>(T)->getPointeeType()); 949bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(AS); 950bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(AS); 9515d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 9525d484e8cf710207010720589d89602233de61d01Sebastian Redl } 953f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 954207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace(cast<PointerType>(T)->getPointeeType()); 955bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(AS); 956bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(AS); 957f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 958f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 959f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 960071cc7deffad608165b1ddd5263e8bf181861520Charles Davis const MemberPointerType *MPT = cast<MemberPointerType>(T); 9611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 9621cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 963071cc7deffad608165b1ddd5263e8bf181861520Charles Davis Width = PtrDiffInfo.first * ABI->getMemberPointerSize(MPT); 9641cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 9651cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 966f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 9675d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 9685d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 9695d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 9701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 97198be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 9729e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 9735d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 9745d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 9755d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 976c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 977c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 97844a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 9791d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 98044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 981dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 982dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 98344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 98444a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 98572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 98672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 9871d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 9881d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 9891d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 99022ce41d9fc8509da65858c75bf5b3c4dae2d8c04Douglas Gregor Width = 8; 99122ce41d9fc8509da65858c75bf5b3c4dae2d8c04Douglas Gregor Align = 8; 9928389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 9938389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 9941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9951d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 9967176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 9977176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 9981d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 9997176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 1000dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 1001dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 1002dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 1003a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 10047532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 10059fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 100649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 100749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 100849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 100934b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: { 101034b41d939a1328f484511c6002ba2456db879a29Richard Smith const AutoType *A = cast<AutoType>(T); 101134b41d939a1328f484511c6002ba2456db879a29Richard Smith assert(A->isDeduced() && "Cannot request the size of a dependent type"); 1012dc856aff4428380baa9afb5577ea04f8fb6beb13Matt Beaumont-Gay return getTypeInfo(A->getDeducedType().getTypePtr()); 101334b41d939a1328f484511c6002ba2456db879a29Richard Smith } 101434b41d939a1328f484511c6002ba2456db879a29Richard Smith 1015075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara case Type::Paren: 1016075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return getTypeInfo(cast<ParenType>(T)->getInnerType().getTypePtr()); 1017075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 101818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 1019162e1c1b487352434552147967c3dd296ebee2f7Richard Smith const TypedefNameDecl *Typedef = cast<TypedefType>(T)->getDecl(); 1020df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor std::pair<uint64_t, unsigned> Info 1021df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor = getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 1022c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // If the typedef has an aligned attribute on it, it overrides any computed 1023c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // alignment we have. This violates the GCC documentation (which says that 1024c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // attribute(aligned) can only round up) but matches its implementation. 1025c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner if (unsigned AttrAlign = Typedef->getMaxAlignment()) 1026c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = AttrAlign; 1027c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner else 1028c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = Info.second; 1029df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Width = Info.first; 10307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 10317176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 103218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 103318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 103418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 103518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 103618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 103718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 103818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 103918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 1040395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 1041395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 1042395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 1043395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 1044ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt case Type::UnaryTransform: 1045ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return getTypeInfo(cast<UnaryTransformType>(T)->getUnderlyingType()); 1046ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 1047465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 1048465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 10491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10509d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall case Type::Attributed: 10519d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return getTypeInfo( 10529d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall cast<AttributedType>(T)->getEquivalentType().getTypePtr()); 10539d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 10543e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith case Type::TemplateSpecialization: { 10551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 105618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 10573e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith const TemplateSpecializationType *TST = cast<TemplateSpecializationType>(T); 10583e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // A type alias template specialization may refer to a typedef with the 10593e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // aligned attribute on it. 10603e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TST->isTypeAlias()) 10613e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return getTypeInfo(TST->getAliasedType().getTypePtr()); 10623e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else 10633e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return getTypeInfo(getCanonicalType(T)); 10643e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 10653e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 106618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 10671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1068464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 10699e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 1070a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 1071a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1072eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck/// toCharUnitsFromBits - Convert a size in bits to a size in characters. 1073eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen DyckCharUnits ASTContext::toCharUnitsFromBits(int64_t BitSize) const { 1074eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return CharUnits::fromQuantity(BitSize / getCharWidth()); 1075eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck} 1076eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck 1077dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck/// toBits - Convert a size in characters to a size in characters. 1078dd76a9ab9ea675671200f94b18ce95766841952bKen Dyckint64_t ASTContext::toBits(CharUnits CharSize) const { 1079dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck return CharSize.getQuantity() * getCharWidth(); 1080dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck} 1081dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck 1082bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 1083bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 10844ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(QualType T) const { 1085eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 1086bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 10874ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(const Type *T) const { 1088eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 1089bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 1090bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 109116e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 109286fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 10934ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(QualType T) const { 1094eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 109586fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 10964ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(const Type *T) const { 1097eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 109886fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 109986fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 110034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 110134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 110234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 110334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 11044ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getPreferredTypeAlign(const Type *T) const { 110534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 11061eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 11071eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 1108183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 11091eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 11101eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 11111eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 11121eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 11131eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 111434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 111534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 111634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 11172c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// DeepCollectObjCIvars - 11182c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// This routine first collects all declared, but not synthesized, ivars in 11192c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// super class and then collects all ivars, including those synthesized for 11202c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// current class. This routine is used for implementation of current class 11212c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// when all ivars, declared and synthesized are known. 11229820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 11232c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanianvoid ASTContext::DeepCollectObjCIvars(const ObjCInterfaceDecl *OI, 11242c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian bool leafClass, 1125db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose SmallVectorImpl<const ObjCIvarDecl*> &Ivars) const { 11262c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 11272c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(SuperClass, false, Ivars); 11282c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (!leafClass) { 11292c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 11302c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian E = OI->ivar_end(); I != E; ++I) 113111062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 11323060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 1133bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian ObjCInterfaceDecl *IDecl = const_cast<ObjCInterfaceDecl *>(OI); 1134db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose for (const ObjCIvarDecl *Iv = IDecl->all_declared_ivar_begin(); Iv; 1135bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian Iv= Iv->getNextIvar()) 1136bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian Ivars.push_back(Iv); 1137bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian } 11389820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 11399820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 1140e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 1141e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 1142e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 1143432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 1144e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 114553b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // We can use protocol_iterator here instead of 114653b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // all_referenced_protocol_iterator since we are walking all categories. 114753b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCInterfaceDecl::all_protocol_iterator P = OI->all_referenced_protocol_begin(), 114853b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek PE = OI->all_referenced_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(), 1152b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 1153b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 1154e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1155e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1156b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 1157e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 1158e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 1159e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 1160e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 1161e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 1162e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 1163e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 1164e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 1165e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 1166e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1167b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 116853b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCCategoryDecl::protocol_iterator P = OC->protocol_begin(), 1169e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 1170e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1171432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1172e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1173e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1174e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1175e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1176b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 1177e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 1178e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 1179e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1180432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1181e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1182e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1183e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1184e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1185e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1186e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 1187e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 11884ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) const { 11893bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 11903bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 119180aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian for (const ObjCCategoryDecl *CDecl = OI->getFirstClassExtension(); CDecl; 119280aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian CDecl = CDecl->getNextClassExtension()) 1193b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 1194b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 11953bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 11963bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 11973bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 1198b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 1199b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 12008e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 12018e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 12028e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 12038a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 12048a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 12058a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 12068a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 12078a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 12088a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 12098a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 12108a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 12118a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 12128a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 12138a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 12148a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 12158a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 12168a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 12178a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 12188a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 12198a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 12208a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 12218a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 12228a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 12238a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 12248a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 12258a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 12268a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 12278a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 12288a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 12298a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 12308a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 12318a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 12328a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 12331ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Get the copy initialization expression of VarDecl,or NULL if 12341ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// none exists. 1235830937bc1100fba7682f7c32c40512085870f50cFariborz JahanianExpr *ASTContext::getBlockVarCopyInits(const VarDecl*VD) { 1236d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD && "Passed null params"); 1237d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1238d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "getBlockVarCopyInits - not __block var"); 1239830937bc1100fba7682f7c32c40512085870f50cFariborz Jahanian llvm::DenseMap<const VarDecl*, Expr*>::iterator 1240d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian I = BlockVarCopyInits.find(VD); 12411ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian return (I != BlockVarCopyInits.end()) ? cast<Expr>(I->second) : 0; 12421ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 12431ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 12441ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Set the copy inialization expression of a block var decl. 12451ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanianvoid ASTContext::setBlockVarCopyInits(VarDecl*VD, Expr* Init) { 12461ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian assert(VD && Init && "Passed null params"); 1247d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1248d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "setBlockVarCopyInits - not __block var"); 12491ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian BlockVarCopyInits[VD] = Init; 12501ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 12511ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 1252a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 1253b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1254a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 1255b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 1256b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1257b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 1258b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 1259b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 1260a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 12614ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned DataSize) const { 1262109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 1263109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 1264109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 1265109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 1266a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 1267109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 1268a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 1269a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 1270a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 1271a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 1272b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 1273b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1274a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 12756952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor SourceLocation L) const { 1276a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 1277c21c7e9c2cded68f91be15be6847c9649242dc17Douglas Gregor DI->getTypeLoc().initialize(const_cast<ASTContext &>(*this), L); 1278a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 1279a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 1280a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 1281b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 12824ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) const { 1283b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 1284b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1285b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1286b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 12874ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCImplementationLayout( 12884ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ObjCImplementationDecl *D) const { 1289b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 1290b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1291b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1292a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1293a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 1294a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1295a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 12964ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 12973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallASTContext::getExtQualType(const Type *baseType, Qualifiers quals) const { 12983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned fastQuals = quals.getFastQualifiers(); 12993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall quals.removeFastQualifiers(); 13000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 13010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 13020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 13033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals::Profile(ID, baseType, quals); 13043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 13053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ExtQuals *eq = ExtQualNodes.FindNodeOrInsertPos(ID, insertPos)) { 13063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(eq->getQualifiers() == quals); 13073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 13080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 13090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 13103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the base type is not canonical, make the appropriate canonical type. 13113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 13123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!baseType->isCanonicalUnqualified()) { 13133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = baseType->getCanonicalTypeInternal().split(); 13143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonSplit.second.addConsistentQualifiers(quals); 13153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getExtQualType(canonSplit.first, canonSplit.second); 13163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 13173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Re-find the insert position. 13183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall (void) ExtQualNodes.FindNodeOrInsertPos(ID, insertPos); 13193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 13203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 13213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals *eq = new (*this, TypeAlignment) ExtQuals(baseType, canon, quals); 13223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQualNodes.InsertNode(eq, insertPos); 13233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 13240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 13250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 13264ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 13274ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) const { 1328f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1329f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1330f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1331b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 13320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 13330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 13340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 13350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 13361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 13380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 13390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 13400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 13410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 13421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1344ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1345ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1346b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 13474ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Qualifiers::GC GCAttr) const { 1348d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1349b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1350d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 13511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13527f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (const PointerType *ptr = T->getAs<PointerType>()) { 13537f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall QualType Pointee = ptr->getPointeeType(); 135458f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 13554027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 13564027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 13574027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 13584027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 13591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 13610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 13620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 13630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 13641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 13660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 13670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 13680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 13690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 13701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1372d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1373a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1374e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCallconst FunctionType *ASTContext::adjustFunctionType(const FunctionType *T, 1375e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionType::ExtInfo Info) { 1376e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (T->getExtInfo() == Info) 1377e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return T; 1378e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1379e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType Result; 1380e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(T)) { 1381e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionNoProtoType(FNPT->getResultType(), Info); 1382e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } else { 1383e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall const FunctionProtoType *FPT = cast<FunctionProtoType>(T); 1384e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 1385e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall EPI.ExtInfo = Info; 1386e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1387e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FPT->getNumArgs(), EPI); 1388e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 1389e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1390e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return cast<FunctionType>(Result.getTypePtr()); 1391e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall} 1392e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 13935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 13945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 13954ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getComplexType(QualType T) const { 13965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 13975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 13985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 13995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 14001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 14035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 14041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 14065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 14075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1408467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1409f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 14101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1413c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14156b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 14165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 14185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 14225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 14234ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPointerType(QualType T) const { 14245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 14255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 14265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 14275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 14281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 14315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 14321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 14345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 14355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1436467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1437f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 14381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1441c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14436b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 14445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 14465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 14505618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 14514ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockPointerType(QualType T) const { 1452296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1453296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 14545618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 14555618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 14565618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 14571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14585618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 14595618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 14605618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 14615618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 14621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 14645618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 14655618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1466467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 14675618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 14681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14695618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 14705618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 14715618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1472c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14735618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 14746b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 14756b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 14765618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 14775618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 14785618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 14795618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 14805618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 14817c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 14827c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 14834ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 14844ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) const { 14859625e44c0252485277a340746ed8ac950686156fDouglas Gregor assert(getCanonicalType(T) != OverloadTy && 14869625e44c0252485277a340746ed8ac950686156fDouglas Gregor "Unresolved overloaded function type"); 14879625e44c0252485277a340746ed8ac950686156fDouglas Gregor 14885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 14895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 14905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 149154e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 14925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14947c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 14957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 14965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 14977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 149854e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 149954e14c4db764c0636160d26c5bbf491637c83a76John McCall 15005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 15015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 15025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 150354e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 150454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 150554e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 15067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 15087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 15097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1510c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15117c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 15127c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15136b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 151454e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 151554e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 15167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 15177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 151854e14c4db764c0636160d26c5bbf491637c83a76John McCall 15197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 15207c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 15217c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15227c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 15237c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 15244ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRValueReferenceType(QualType T) const { 15257c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 15267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 15277c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 152854e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 15297c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15307c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 15317c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 15327c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 15337c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 15347c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 153554e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 153654e14c4db764c0636160d26c5bbf491637c83a76John McCall 15377c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 15387c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 15397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 154054e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 154154e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 154254e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 15437c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 15457c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 15467c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1547c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15506b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 15516b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 15525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 15537c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 15545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 15555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 15565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1557f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1558f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 15594ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) const { 1560f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1561f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1562f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1563f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1564f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1565f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1566f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1567f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1568f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1569f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1570f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1571f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1572f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 157387c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1574f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1575f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1576f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1577f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1578f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1579c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 1580f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 15816b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 15826b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1583f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1584f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1585f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1586f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1587f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 15881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1589fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 15901eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 159138aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1592c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 159363e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals) const { 1594923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1595923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1596587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1597587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 159838aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 159938aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 160038aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 16019f71a8f4c7a182a5236da9e747d57cc1d1bd24c2Jay Foad ArySize = 1602bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor ArySize.zextOrTrunc(Target->getPointerWidth(getTargetAddressSpace(EltTy))); 16031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 160563e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, IndexTypeQuals); 16061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 16081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 16097192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 16105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 16111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the element type isn't canonical or has qualifiers, this won't 16133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // be a canonical type either, so fill in the canonical type field. 16143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 16153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 16163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 16173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getConstantArrayType(QualType(canonSplit.first, 0), ArySize, 161863e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ASM, IndexTypeQuals); 16193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getQualifiedType(Canon, canonSplit.second); 16203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 16215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 16221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 16237192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1624c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 16255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16276b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 162863e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType(EltTy, Canon, ArySize, ASM, IndexTypeQuals); 16297192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 16305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 16315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 16325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1634ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// getVariableArrayDecayedType - Turns the given type, which may be 1635ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// variably-modified, into the corresponding type with all the known 1636ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// sizes replaced with [*]. 1637ce8890371fcdb983ae487c87fa40606a34896ff7John McCallQualType ASTContext::getVariableArrayDecayedType(QualType type) const { 1638ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Vastly most common case. 1639ce8890371fcdb983ae487c87fa40606a34896ff7John McCall if (!type->isVariablyModifiedType()) return type; 1640ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1641ce8890371fcdb983ae487c87fa40606a34896ff7John McCall QualType result; 1642ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1643ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SplitQualType split = type.getSplitDesugaredType(); 1644ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const Type *ty = split.first; 1645ce8890371fcdb983ae487c87fa40606a34896ff7John McCall switch (ty->getTypeClass()) { 1646ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define TYPE(Class, Base) 1647ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define ABSTRACT_TYPE(Class, Base) 1648ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 1649ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#include "clang/AST/TypeNodes.def" 1650ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("didn't desugar past all non-canonical types?"); 1651ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1652ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types should never be variably-modified. 1653ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Builtin: 1654ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Complex: 1655ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Vector: 1656ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ExtVector: 1657ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedExtVector: 1658ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObject: 1659ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCInterface: 1660ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObjectPointer: 1661ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Record: 1662ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Enum: 1663ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::UnresolvedUsing: 1664ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOfExpr: 1665ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOf: 1666ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Decltype: 1667ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt case Type::UnaryTransform: 1668ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentName: 1669ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::InjectedClassName: 1670ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateSpecialization: 1671ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentTemplateSpecialization: 1672ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateTypeParm: 1673ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::SubstTemplateTypeParmPack: 167434b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: 1675ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::PackExpansion: 1676ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("type should never be variably-modified"); 1677ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1678ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified but should never need to 1679ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // further decay. 1680ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionNoProto: 1681ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionProto: 1682ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::BlockPointer: 1683ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::MemberPointer: 1684ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return type; 1685ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1686ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified. All these modifications 1687ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // preserve structure except as noted by comments. 1688ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // TODO: if we ever care about optimizing VLAs, there are no-op 1689ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // optimizations available here. 1690ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Pointer: 1691ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getPointerType(getVariableArrayDecayedType( 1692ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cast<PointerType>(ty)->getPointeeType())); 1693ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1694ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1695ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::LValueReference: { 1696ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const LValueReferenceType *lv = cast<LValueReferenceType>(ty); 1697ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getLValueReferenceType( 1698ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType()), 1699ce8890371fcdb983ae487c87fa40606a34896ff7John McCall lv->isSpelledAsLValue()); 1700ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1701745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1702ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1703ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::RValueReference: { 1704ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const RValueReferenceType *lv = cast<RValueReferenceType>(ty); 1705ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getRValueReferenceType( 1706ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType())); 1707ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1708745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1709745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1710ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ConstantArray: { 1711ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const ConstantArrayType *cat = cast<ConstantArrayType>(ty); 1712ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getConstantArrayType( 1713ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(cat->getElementType()), 1714ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSize(), 1715ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSizeModifier(), 1716ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getIndexTypeCVRQualifiers()); 1717ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1718745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1719745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1720ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedArray: { 1721ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const DependentSizedArrayType *dat = cast<DependentSizedArrayType>(ty); 1722ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getDependentSizedArrayType( 1723ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(dat->getElementType()), 1724ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeExpr(), 1725ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeModifier(), 1726ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getIndexTypeCVRQualifiers(), 1727ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getBracketsRange()); 1728ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1729ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1730ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1731ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn incomplete types into [*] types. 1732ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::IncompleteArray: { 1733ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const IncompleteArrayType *iat = cast<IncompleteArrayType>(ty); 1734ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1735ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(iat->getElementType()), 1736ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1737ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Normal, 1738ce8890371fcdb983ae487c87fa40606a34896ff7John McCall iat->getIndexTypeCVRQualifiers(), 1739ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SourceRange()); 1740ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1741ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1742ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1743ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn VLA types into [*] types. 1744ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::VariableArray: { 1745ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const VariableArrayType *vat = cast<VariableArrayType>(ty); 1746ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1747ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(vat->getElementType()), 1748ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1749ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Star, 1750ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getIndexTypeCVRQualifiers(), 1751ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getBracketsRange()); 1752ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1753ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1754ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1755ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1756ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Apply the top-level qualifiers from the original. 1757ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return getQualifiedType(result, split.second); 1758ce8890371fcdb983ae487c87fa40606a34896ff7John McCall} 1759745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1760bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1761bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 17627e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 17637e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1764c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 176563e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals, 17664ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceRange Brackets) const { 1767c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1768c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 17693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 1770715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 17713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Be sure to pull qualifiers off the element type. 17723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 17733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 17743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getVariableArrayType(QualType(canonSplit.first, 0), NumElts, ASM, 177563e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara IndexTypeQuals, Brackets); 17763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getQualifiedType(Canon, canonSplit.second); 1777715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor } 1778715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 17796b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 178063e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara VariableArrayType(EltTy, Canon, NumElts, ASM, IndexTypeQuals, Brackets); 1781c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1782c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1783c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1784c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1785c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1786c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1787898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1788898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 178904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 17903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getDependentSizedArrayType(QualType elementType, 17913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Expr *numElements, 1792898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 17933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals, 17943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SourceRange brackets) const { 17953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert((!numElements || numElements->isTypeDependent() || 17963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements->isValueDependent()) && 1797898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1798898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 17993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Dependently-sized array types that do not have a specified number 18003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of elements will have their sizes deduced from a dependent 18013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // initializer. We do no canonicalization here at all, which is okay 18023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // because they can't be used in most locations. 18033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!numElements) { 18043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *newType 18053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 18063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, QualType(), 18073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements, ASM, elementTypeQuals, 18083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 18093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 18103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1811cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1812cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 18133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we actually build a new type every time, but we 18143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // also build a canonical type. 18151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonElementType = getCanonicalType(elementType).split(); 1817898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 18183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 18193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall llvm::FoldingSetNodeID ID; 18203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType::Profile(ID, *this, 18213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(canonElementType.first, 0), 18223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, numElements); 18233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Look for an existing type with these properties. 18253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *canonTy = 18263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.FindNodeOrInsertPos(ID, insertPos); 18273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we don't have one, build one. 18293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!canonTy) { 18303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonTy = new (*this, TypeAlignment) 18313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, QualType(canonElementType.first, 0), 18323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(), numElements, ASM, elementTypeQuals, 18333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 18343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.InsertNode(canonTy, insertPos); 18353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(canonTy); 18363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 18373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Apply qualifiers from the element type to the array. 18393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon = getQualifiedType(QualType(canonTy,0), 18403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonElementType.second); 18413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we didn't need extra canonicalization for the element type, 18433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // then just use that as our result. 18443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (QualType(canonElementType.first, 0) == elementType) 18453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return canon; 18463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we need to build a type which follows the spelling 18483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of the element type. 18493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *sugaredType 18503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 18513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, canon, numElements, 18523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, brackets); 18533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(sugaredType); 18543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(sugaredType, 0); 18553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 18563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getIncompleteArrayType(QualType elementType, 1858c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 18593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals) const { 1860c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 18613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType::Profile(ID, elementType, ASM, elementTypeQuals); 1862c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 18633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 18643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (IncompleteArrayType *iat = 18653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos)) 18663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(iat, 0); 1867c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1868c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 18693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // either, so fill in the canonical type field. We also have to pull 18703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // qualifiers off the element type. 18713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 1872c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 18733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!elementType.isCanonical() || elementType.hasLocalQualifiers()) { 18743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(elementType).split(); 18753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getIncompleteArrayType(QualType(canonSplit.first, 0), 18763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals); 18773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getQualifiedType(canon, canonSplit.second); 1878c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1879c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 18803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *existing = 18813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos); 18823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!existing && "Shouldn't be in the map!"); (void) existing; 18832bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1884c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 18853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *newType = new (*this, TypeAlignment) 18863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType(elementType, canon, ASM, elementTypeQuals); 1887c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 18883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.InsertNode(newType, insertPos); 18893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 18903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1891fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1892fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 189373322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 189473322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 189582287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 18964ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad VectorType::VectorKind VecKind) const { 18973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(vecType->isBuiltinType()); 18981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 19005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1901e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::Profile(ID, vecType, NumElts, Type::Vector, VecKind); 1902788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 19035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 19045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 19055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 19065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 19085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 19095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1910255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (!vecType.isCanonical()) { 1911231da7eb3dd13007e5e40fffe48998e5ef284e06Bob Wilson Canonical = getVectorType(getCanonicalType(vecType), NumElts, VecKind); 19121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 19145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1915c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 19165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19176b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 1918e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(vecType, NumElts, Canonical, VecKind); 19195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 19205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 19215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 19225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 19235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1924213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 192573322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 19264ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 19274ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getExtVectorType(QualType vecType, unsigned NumElts) const { 19284ac01401b1ec602a1f58c217544d3dcb5fcbd7f1Douglas Gregor assert(vecType->isBuiltinType() || vecType->isDependentType()); 19291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 193073322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 193173322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 1932788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, 1933e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 193473322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 193573322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 193673322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 193773322924127c873c13101b705dd823f5539ffa5fSteve Naroff 193873322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 193973322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 194073322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1941467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1942213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 19431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 194473322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 194573322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1946c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 194773322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 19486b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 19496b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 195073322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 195173322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 195273322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 195373322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 195473322924127c873c13101b705dd823f5539ffa5fSteve Naroff 19554ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 19564ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentSizedExtVectorType(QualType vecType, 19574ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Expr *SizeExpr, 19584ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation AttrLoc) const { 19592ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 19601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 19612ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 19621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19632ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 19642ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 19652ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 19662ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 19672ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 19682ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 19692ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 19706b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 19716b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 19726b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 19732ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 19742ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 19752ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 19766b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 19776b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 19786b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 1979789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1980789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 1981789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1982789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 1983789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 19842ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 19852ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 19862ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 19872ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 19886b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 19896b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 19902ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 19912ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 19921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19939cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 19949cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 19959cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 19969cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 199772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 19985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 19994ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 20004ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionNoProtoType(QualType ResultTy, 20014ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionType::ExtInfo &Info) const { 2002cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv DefaultCC = Info.getCC(); 2003cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv CallConv = (LangOpts.MRTD && DefaultCC == CC_Default) ? 2004cfe9af250f466e7e38becea4428990448ae07737Roman Divacky CC_X86StdCall : DefaultCC; 20055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 20065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 20075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 2008264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 20091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 20111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 201272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 20135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 20141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 2016ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 201704a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 2018264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 2019264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 2020264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 20211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 202372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 202472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 2025c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 20265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 20271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2028cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionProtoType::ExtInfo newInfo = Info.withCallingConv(CallConv); 20296b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 2030cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionNoProtoType(ResultTy, Canonical, newInfo); 20315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 203272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 20335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 20345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 20355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 20375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 20384ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 20394ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionType(QualType ResultTy, 20404ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const QualType *ArgArray, unsigned NumArgs, 20414ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionProtoType::ExtProtoInfo &EPI) const { 20425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 20435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 20445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 20458026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, EPI, *this); 20465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 20481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 204972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 20505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 2051465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2052465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 20538b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl bool isCanonical= EPI.ExceptionSpecType == EST_None && ResultTy.isCanonical(); 20545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 205554e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 20565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 20575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2058cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv DefaultCC = EPI.ExtInfo.getCC(); 2059cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv CallConv = (LangOpts.MRTD && DefaultCC == CC_Default) ? 2060cfe9af250f466e7e38becea4428990448ae07737Roman Divacky CC_X86StdCall : DefaultCC; 2061e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 20625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 2063465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 20645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 206504a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 20665f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 16> CanonicalArgs; 20675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 20685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 206954e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 2070465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2071e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo CanonicalEPI = EPI; 20728b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl CanonicalEPI.ExceptionSpecType = EST_None; 20738b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl CanonicalEPI.NumExceptions = 0; 2074e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.ExtInfo 2075e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall = CanonicalEPI.ExtInfo.withCallingConv(getCanonicalCallConv(CallConv)); 2076e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2077f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 2078beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 2079e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI); 2080465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 20815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 208272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 208372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 2084c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 20855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2086465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2087f85e193739c953358c865005855253af4f68a497John McCall // FunctionProtoType objects are allocated with extra bytes after 2088f85e193739c953358c865005855253af4f68a497John McCall // them for three variable size arrays at the end: 2089f85e193739c953358c865005855253af4f68a497John McCall // - parameter types 2090f85e193739c953358c865005855253af4f68a497John McCall // - exception types 2091f85e193739c953358c865005855253af4f68a497John McCall // - consumed-arguments flags 2092f85e193739c953358c865005855253af4f68a497John McCall // Instead of the exception types, there could be a noexcept 2093f85e193739c953358c865005855253af4f68a497John McCall // expression. 2094e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall size_t Size = sizeof(FunctionProtoType) + 209560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NumArgs * sizeof(QualType); 209660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EPI.ExceptionSpecType == EST_Dynamic) 209760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl Size += EPI.NumExceptions * sizeof(QualType); 209860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl else if (EPI.ExceptionSpecType == EST_ComputedNoexcept) { 20998026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl Size += sizeof(Expr*); 210060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 2101f85e193739c953358c865005855253af4f68a497John McCall if (EPI.ConsumedArguments) 2102f85e193739c953358c865005855253af4f68a497John McCall Size += NumArgs * sizeof(bool); 2103f85e193739c953358c865005855253af4f68a497John McCall 2104e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType *FTP = (FunctionProtoType*) Allocate(Size, TypeAlignment); 2105cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionProtoType::ExtProtoInfo newEPI = EPI; 2106cfe9af250f466e7e38becea4428990448ae07737Roman Divacky newEPI.ExtInfo = EPI.ExtInfo.withCallingConv(CallConv); 21078026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, Canonical, newEPI); 21085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 210972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 21105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 21115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 21125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21133cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 21143cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 21153cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 21163cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 21173cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 21183cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 21193cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 21203cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 21213cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 21223cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 21233cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 21243cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 21253cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 21263cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 21273cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 21283cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 21294ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType TST) const { 21303cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 21313cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 21323cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 213337ffed3b7f229844cae2463ff82b527506c86c74Argyrios Kyrtzidis } else if (CXXRecordDecl *PrevDecl = Decl->getPreviousDeclaration()) { 21343cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 21353cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 21363cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 21373cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 2138f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = 213931f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 2140f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2141f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 21423cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 21433cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 21443cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 21453cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 21462ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 21472ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 21484ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) const { 21491e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 2150becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 21511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2152162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (const TypedefNameDecl *Typedef = dyn_cast<TypedefNameDecl>(Decl)) 21532ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 2154becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 2155becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 2156becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 2157becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 215819c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 2159becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 2160becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 2161becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 2162400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getRecordType(Record); 216319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 2164becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 2165becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 2166400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getEnumType(Enum); 216719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 2168ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 2169f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = new (*this, TypeAlignment) UnresolvedUsingType(Using); 2170f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2171f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 21729fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 2173becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 217449aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 217549aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 21762ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 21772ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 21785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 2179162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// specified typedef name decl. 21809763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2181162e1c1b487352434552147967c3dd296ebee2f7Richard SmithASTContext::getTypedefType(const TypedefNameDecl *Decl, 2182162e1c1b487352434552147967c3dd296ebee2f7Richard Smith QualType Canonical) const { 21835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 21841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21859763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (Canonical.isNull()) 21869763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canonical = getCanonicalType(Decl->getUnderlyingType()); 2187f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall TypedefType *newType = new(*this, TypeAlignment) 21886b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 2189f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2190f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2191f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 21925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 21935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21944ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRecordType(const RecordDecl *Decl) const { 2195400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2196400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2197400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const RecordDecl *PrevDecl = Decl->getPreviousDeclaration()) 2198400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2199400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2200400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2201f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall RecordType *newType = new (*this, TypeAlignment) RecordType(Decl); 2202f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2203f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2204f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2205400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2206400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 22074ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getEnumType(const EnumDecl *Decl) const { 2208400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2209400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2210400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const EnumDecl *PrevDecl = Decl->getPreviousDeclaration()) 2211400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2212400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2213400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2214f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall EnumType *newType = new (*this, TypeAlignment) EnumType(Decl); 2215f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2216f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2217f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2218400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2219400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 22209d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallQualType ASTContext::getAttributedType(AttributedType::Kind attrKind, 22219d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modifiedType, 22229d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType equivalentType) { 22239d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall llvm::FoldingSetNodeID id; 22249d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType::Profile(id, attrKind, modifiedType, equivalentType); 22259d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 22269d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall void *insertPos = 0; 22279d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType *type = AttributedTypes.FindNodeOrInsertPos(id, insertPos); 22289d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall if (type) return QualType(type, 0); 22299d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 22309d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType canon = getCanonicalType(equivalentType); 22319d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall type = new (*this, TypeAlignment) 22329d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType(canon, attrKind, modifiedType, equivalentType); 22339d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 22349d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Types.push_back(type); 22359d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypes.InsertNode(type, insertPos); 22369d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 22379d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return QualType(type, 0); 22389d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall} 22399d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 22409d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 224149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 224249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 224349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 22444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Replacement) const { 2245467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 224649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 224749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 224849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 224949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 225049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 225149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 225249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 225349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 225449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 225549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 225649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 225749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 225849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 225949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 226049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 226149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 226249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 226349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 2264c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// \brief Retrieve a 2265c3069d618f4661d923cb1b5c4525b082fce73b04Douglas GregorQualType ASTContext::getSubstTemplateTypeParmPackType( 2266c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Parm, 2267c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack) { 2268c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#ifndef NDEBUG 2269c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor for (TemplateArgument::pack_iterator P = ArgPack.pack_begin(), 2270c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor PEnd = ArgPack.pack_end(); 2271c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor P != PEnd; ++P) { 2272c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getKind() == TemplateArgument::Type &&"Pack contains a non-type"); 2273c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getAsType().isCanonical() && "Pack contains non-canonical type"); 2274c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2275c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#endif 2276c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2277c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor llvm::FoldingSetNodeID ID; 2278c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType::Profile(ID, Parm, ArgPack); 2279c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor void *InsertPos = 0; 2280c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (SubstTemplateTypeParmPackType *SubstParm 2281c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos)) 2282c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2283c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2284c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType Canon; 2285c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (!Parm->isCanonicalUnqualified()) { 2286c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getCanonicalType(QualType(Parm, 0)); 2287c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getSubstTemplateTypeParmPackType(cast<TemplateTypeParmType>(Canon), 2288c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2289c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos); 2290c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2291c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2292c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType *SubstParm 2293c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = new (*this, TypeAlignment) SubstTemplateTypeParmPackType(Parm, Canon, 2294c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2295c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Types.push_back(SubstParm); 2296c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 2297c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2298c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor} 2299c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2300fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 23011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 230276e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 23031eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 230476e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 23054fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *TTPDecl) const { 2306fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 23074fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, TTPDecl); 2308fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 23091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 2310fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2311fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2312fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 2313fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 23141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23154fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth if (TTPDecl) { 231676e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 23174fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TypeParm = new (*this, TypeAlignment) TemplateTypeParmType(TTPDecl, Canon); 2318789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2319789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 2320789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2321789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 2322789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 232376e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 23246b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 23256b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 2326fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2327fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 2328fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 2329fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2330fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 2331fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 2332fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 23333cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 23343cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 23353cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 23363cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 23373e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 23387c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Name.getAsDependentTemplateName() && 23397c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 23403e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType TST = getTemplateSpecializationType(Name, Args, Underlying); 23413cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 23423cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 23433cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 23443cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 23453cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 23463cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 23473cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 23483cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 23493cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 23503cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 23513cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 23523cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 23531eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 23547532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 2355d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 23563e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 23577c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 23587c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 23597c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 2360d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 2361d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 23625f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 4> ArgVec; 2363833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 2364833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 2365833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 2366833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 236731f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 23683e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Underlying); 2369833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 2370833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2371833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 2372833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 23737532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 23747532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 23753e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 23767c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 23777c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 23780f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor // Look through qualified template names. 23790f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) 23800f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor Template = TemplateName(QTN->getTemplateDecl()); 23817c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 23823e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith bool isTypeAlias = 23833e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Template.getAsTemplateDecl() && 23843e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith isa<TypeAliasTemplateDecl>(Template.getAsTemplateDecl()); 23853e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 23863e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType CanonType; 23873e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (!Underlying.isNull()) 23883e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType = getCanonicalType(Underlying); 23893e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else { 23903e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith assert(!isTypeAlias && 23913e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith "Underlying type for template alias must be computed by caller"); 23923e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType = getCanonicalTemplateSpecializationType(Template, Args, 23933e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith NumArgs); 23943e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 2395fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 23961275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 23971275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 23981275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 23993e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith void *Mem = Allocate(sizeof(TemplateSpecializationType) + 24003e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith sizeof(TemplateArgument) * NumArgs + 24013e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith (isTypeAlias ? sizeof(QualType) : 0), 24026b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 24031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 2404ef99001908e799c388f1363b1e607dad5f5b57d3John McCall = new (Mem) TemplateSpecializationType(Template, 240531f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 24063e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType, 24073e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith isTypeAlias ? Underlying : QualType()); 24081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 240955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 24101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 241155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 241255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 24131eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 24149763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getCanonicalTemplateSpecializationType(TemplateName Template, 24159763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis const TemplateArgument *Args, 24164ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumArgs) const { 24177c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 24187c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 24193e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith assert((!Template.getAsTemplateDecl() || 24203e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith !isa<TypeAliasTemplateDecl>(Template.getAsTemplateDecl())) && 24213e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith "Underlying type for template alias must be computed by caller"); 24223e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 24230f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor // Look through qualified template names. 24240f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) 24250f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor Template = TemplateName(QTN->getTemplateDecl()); 24267c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 24279763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Build the canonical template specialization type. 24289763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateName CanonTemplate = getCanonicalTemplateName(Template); 24295f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 4> CanonArgs; 24309763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.reserve(NumArgs); 24319763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis for (unsigned I = 0; I != NumArgs; ++I) 24329763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 24339763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24349763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Determine whether this canonical template specialization type already 24359763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // exists. 24369763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::FoldingSetNodeID ID; 24379763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType::Profile(ID, CanonTemplate, 24389763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, *this); 24399763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24409763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *InsertPos = 0; 24419763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType *Spec 24429763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 24439763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24449763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (!Spec) { 24459763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Allocate a new canonical template specialization type. 24469763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *Mem = Allocate((sizeof(TemplateSpecializationType) + 24479763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis sizeof(TemplateArgument) * NumArgs), 24489763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TypeAlignment); 24499763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Spec = new (Mem) TemplateSpecializationType(CanonTemplate, 24509763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, 24513e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType(), QualType()); 24529763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Types.push_back(Spec); 24539763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 24549763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis } 24559763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24569763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis assert(Spec->isDependentType() && 24579763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis "Non-dependent template-id type must have a canonical type"); 24589763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis return QualType(Spec, 0); 24599763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis} 24609763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 24619763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2462465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 2463465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 24644ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType NamedType) const { 2465e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 2466465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 2467e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2468e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 2469465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2470e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 2471e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2472e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2473789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 2474789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 2475789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 2476465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2477465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 2478789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 2479789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 2480789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2481465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 2482e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 2483465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 2484e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2485e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 2486e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2487075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo BagnaraQualType 24884ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getParenType(QualType InnerType) const { 2489075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara llvm::FoldingSetNodeID ID; 2490075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType::Profile(ID, InnerType); 2491075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2492075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void *InsertPos = 0; 2493075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *T = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2494075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (T) 2495075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2496075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2497075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Canon = InnerType; 2498075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (!Canon.isCanonical()) { 2499075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Canon = getCanonicalType(InnerType); 2500075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *CheckT = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2501075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara assert(!CheckT && "Paren canonical type broken"); 2502075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara (void)CheckT; 2503075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 2504075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2505075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara T = new (*this) ParenType(InnerType, Canon); 2506075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Types.push_back(T); 2507075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenTypes.InsertNode(T, InsertPos); 2508075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2509075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara} 2510075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 25114a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 25124a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 25134a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 25144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Canon) const { 2515d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 2516d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2517d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 2518d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 25194a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 25204a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 25214a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 25224a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 25234a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 25244a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 2525d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2526d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2527d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 25284a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 2529d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2530d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 25314714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 25324714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 2533d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 2534d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 2535d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 25364a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 2537d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 25384714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 25391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 2540d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2541d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 25421eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 254333500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 254433500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 25454a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 254633500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 25474ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgumentListInfo &Args) const { 254833500955d731c73717af52088b7fc0e7a85681e7John McCall // TODO: avoid this copy 25495f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 16> ArgCopy; 255033500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0, E = Args.size(); I != E; ++I) 255133500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.push_back(Args[I].getArgument()); 255233500955d731c73717af52088b7fc0e7a85681e7John McCall return getDependentTemplateSpecializationType(Keyword, NNS, Name, 255333500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.size(), 255433500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.data()); 255533500955d731c73717af52088b7fc0e7a85681e7John McCall} 255633500955d731c73717af52088b7fc0e7a85681e7John McCall 255733500955d731c73717af52088b7fc0e7a85681e7John McCallQualType 255833500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 255933500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 256033500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 256133500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 256233500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 25634ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgument *Args) const { 2564aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor assert((!NNS || NNS->isDependent()) && 2565aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor "nested-name-specifier must be dependent"); 25661734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2567789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 256833500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType::Profile(ID, *this, Keyword, NNS, 256933500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args); 2570789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2571789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 257233500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType *T 257333500955d731c73717af52088b7fc0e7a85681e7John McCall = DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 2574789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 2575789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 2576789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 257733500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 257833500955d731c73717af52088b7fc0e7a85681e7John McCall 257933500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword CanonKeyword = Keyword; 258033500955d731c73717af52088b7fc0e7a85681e7John McCall if (Keyword == ETK_None) CanonKeyword = ETK_Typename; 25811734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 258233500955d731c73717af52088b7fc0e7a85681e7John McCall bool AnyNonCanonArgs = false; 25835f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 16> CanonArgs(NumArgs); 258433500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0; I != NumArgs; ++I) { 258533500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs[I] = getCanonicalTemplateArgument(Args[I]); 258633500955d731c73717af52088b7fc0e7a85681e7John McCall if (!CanonArgs[I].structurallyEquals(Args[I])) 258733500955d731c73717af52088b7fc0e7a85681e7John McCall AnyNonCanonArgs = true; 2588789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 25891734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 259033500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon; 259133500955d731c73717af52088b7fc0e7a85681e7John McCall if (AnyNonCanonArgs || CanonNNS != NNS || CanonKeyword != Keyword) { 259233500955d731c73717af52088b7fc0e7a85681e7John McCall Canon = getDependentTemplateSpecializationType(CanonKeyword, CanonNNS, 259333500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, 259433500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs.data()); 259533500955d731c73717af52088b7fc0e7a85681e7John McCall 259633500955d731c73717af52088b7fc0e7a85681e7John McCall // Find the insert position again. 259733500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 259833500955d731c73717af52088b7fc0e7a85681e7John McCall } 259933500955d731c73717af52088b7fc0e7a85681e7John McCall 260033500955d731c73717af52088b7fc0e7a85681e7John McCall void *Mem = Allocate((sizeof(DependentTemplateSpecializationType) + 260133500955d731c73717af52088b7fc0e7a85681e7John McCall sizeof(TemplateArgument) * NumArgs), 260233500955d731c73717af52088b7fc0e7a85681e7John McCall TypeAlignment); 2603ef99001908e799c388f1363b1e607dad5f5b57d3John McCall T = new (Mem) DependentTemplateSpecializationType(Keyword, NNS, 260433500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args, Canon); 26051734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 260633500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.InsertNode(T, InsertPos); 26071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 26081734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 26091734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2610cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas GregorQualType ASTContext::getPackExpansionType(QualType Pattern, 2611cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) { 26127536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor llvm::FoldingSetNodeID ID; 2613cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor PackExpansionType::Profile(ID, Pattern, NumExpansions); 26147536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 26157536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor assert(Pattern->containsUnexpandedParameterPack() && 26167536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor "Pack expansions must expand one or more parameter packs"); 26177536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void *InsertPos = 0; 26187536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionType *T 26197536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor = PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 26207536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (T) 26217536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 26227536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 26237536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Canon; 26247536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (!Pattern.isCanonical()) { 2625cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Canon = getPackExpansionType(getCanonicalType(Pattern), NumExpansions); 26267536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 26277536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor // Find the insert position again. 26287536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 26297536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 26307536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 2631cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor T = new (*this) PackExpansionType(Pattern, Canon, NumExpansions); 26327536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor Types.push_back(T); 26337536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.InsertNode(T, InsertPos); 26347536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 26357536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor} 26367536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 263788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 263888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 263988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 264088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 26412e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 264288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 264388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2644c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 264554e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 264654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 264754e14c4db764c0636160d26c5bbf491637c83a76John McCall 264854e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 264954e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 265054e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 265154e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 265254e14c4db764c0636160d26c5bbf491637c83a76John McCall} 265354e14c4db764c0636160d26c5bbf491637c83a76John McCall 265454e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 265588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 265688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 26571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 265888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 265988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 266088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 266188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 266288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 266388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 266488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 266588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2666c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2667c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 26684ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumProtocols) const { 2669c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2670c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2671c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2672c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2673d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2674c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2675c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2676c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2677d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2678c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2679c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2680d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2681c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2682c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 268354e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2684c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2685c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2686c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 26875f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 26880237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 268954e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 269054e14c4db764c0636160d26c5bbf491637c83a76John McCall 269154e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2692c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2693c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 269454e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2695c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2696c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 269754e14c4db764c0636160d26c5bbf491637c83a76John McCall } 269854e14c4db764c0636160d26c5bbf491637c83a76John McCall 269954e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2700c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 270154e14c4db764c0636160d26c5bbf491637c83a76John McCall } 270254e14c4db764c0636160d26c5bbf491637c83a76John McCall 2703c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2704c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2705fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2706c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2707c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 27081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2709c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2710c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2711c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2712d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 271388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2714c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2715c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 27164ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) const { 27174b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2718c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 27191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27204b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2721c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2722c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 27234b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 27241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2725c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 272654e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2727c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2728c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 272954e14c4db764c0636160d26c5bbf491637c83a76John McCall 2730c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2731c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 273254e14c4db764c0636160d26c5bbf491637c83a76John McCall } 273354e14c4db764c0636160d26c5bbf491637c83a76John McCall 2734c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2735c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2736c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2737c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 273824fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 273924fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2740c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 274124fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 274224fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 274324fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2744deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// getObjCInterfaceType - Return the unique reference to the type for the 2745deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// specified ObjC interface decl. The list of protocols is optional. 27464ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) const { 2747deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor if (Decl->TypeForDecl) 2748deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(Decl->TypeForDecl, 0); 274974c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl 2750deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor // FIXME: redeclarations? 2751deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2752deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2753deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Decl->TypeForDecl = T; 2754deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Types.push_back(T); 2755deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(T, 0); 2756c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2757c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 275872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 275972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 27609752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 27611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 27629752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 27634ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfExprType(Expr *tofExpr) const { 2764dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2765b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2766b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2767b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 27681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2769b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2770b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2771b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2772b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2773b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2774b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 27756b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2776b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 27773060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 2778b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 27796b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 27806b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2781b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2782b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2783b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2784b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2785dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 27866b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2787dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 27889752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 27899752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2790d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2791d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 27929752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 27939752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 27949752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 27951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 27969752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 27974ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfType(QualType tofType) const { 2798f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 27996b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 28009752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 28019752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2802d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2803d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 280460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 280560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 28064ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType getDecltypeForExpr(const Expr *e, const ASTContext &Context) { 2807a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2808a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 28091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 281060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 281160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 281260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 281360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 281460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 281560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 281660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 281760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 281860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 281960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 282060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 282160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 282260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 282360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 282460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 28251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 282660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 28271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 282960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 28307eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall if (e->isLValue()) 283160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 28321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 283360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 283460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 283560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2836395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2837395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2838395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 28391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2840395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 28414ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getDecltypeType(Expr *e) const { 2842dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 2843561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor 2844561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // C++0x [temp.type]p2: 2845561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // If an expression e involves a template parameter, decltype(e) denotes a 2846561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // unique dependent type. Two such decltype-specifiers refer to the same 2847561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // type only if their expressions are equivalent (14.5.6.1). 2848561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (e->isInstantiationDependent()) { 28499d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 28509d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 28511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28529d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 28539d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 28549d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 28559d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 28569d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 28579d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 28586b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 28599d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 28603060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 28619d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 28626b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 28639d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 28649d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 28659d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 28669d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2867dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 28686b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2869dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2870395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2871395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2872395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2873395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 2874ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// getUnaryTransformationType - We don't unique these, since the memory 2875ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// savings are minimal and these are rare. 2876ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean HuntQualType ASTContext::getUnaryTransformType(QualType BaseType, 2877ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType UnderlyingType, 2878ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType::UTTKind Kind) 2879ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt const { 2880ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType *Ty = 288169d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor new (*this, TypeAlignment) UnaryTransformType (BaseType, UnderlyingType, 288269d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor Kind, 288369d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor UnderlyingType->isDependentType() ? 288469d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor QualType() : UnderlyingType); 2885ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt Types.push_back(Ty); 2886ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return QualType(Ty, 0); 2887ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt} 2888ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 2889483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith/// getAutoType - We only unique auto types after they've been deduced. 289034b41d939a1328f484511c6002ba2456db879a29Richard SmithQualType ASTContext::getAutoType(QualType DeducedType) const { 2891483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith void *InsertPos = 0; 2892483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (!DeducedType.isNull()) { 2893483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith // Look in the folding set for an existing type. 2894483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith llvm::FoldingSetNodeID ID; 2895483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType::Profile(ID, DeducedType); 2896483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (AutoType *AT = AutoTypes.FindNodeOrInsertPos(ID, InsertPos)) 2897483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 2898483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith } 2899483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith 2900483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType *AT = new (*this, TypeAlignment) AutoType(DeducedType); 2901483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith Types.push_back(AT); 2902483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (InsertPos) 2903483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoTypes.InsertNode(AT, InsertPos); 2904483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 290534b41d939a1328f484511c6002ba2456db879a29Richard Smith} 290634b41d939a1328f484511c6002ba2456db879a29Richard Smith 2907ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith/// getAutoDeductType - Get type pattern for deducing against 'auto'. 2908ad762fcdc16b9e4705b12b09d92b8c026212b906Richard SmithQualType ASTContext::getAutoDeductType() const { 2909ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith if (AutoDeductTy.isNull()) 2910ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith AutoDeductTy = getAutoType(QualType()); 2911ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert(!AutoDeductTy.isNull() && "can't build 'auto' pattern"); 2912ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith return AutoDeductTy; 2913ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith} 2914ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 2915ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith/// getAutoRRefDeductType - Get type pattern for deducing against 'auto &&'. 2916ad762fcdc16b9e4705b12b09d92b8c026212b906Richard SmithQualType ASTContext::getAutoRRefDeductType() const { 2917ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith if (AutoRRefDeductTy.isNull()) 2918ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith AutoRRefDeductTy = getRValueReferenceType(getAutoDeductType()); 2919ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert(!AutoRRefDeductTy.isNull() && "can't build 'auto &&' pattern"); 2920ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith return AutoRRefDeductTy; 2921ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith} 2922ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 29235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 29245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 29254ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTagDeclType(const TagDecl *Decl) const { 2926d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2927e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2928e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2929e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 29305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 29315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 29321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 29331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 29341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 2935a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 2936bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor return getFromTargetType(Target->getSizeType()); 29375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 29385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 293964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 294064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 294164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 294264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 294364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 294464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 294564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 294664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 294764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 294864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 294964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 295064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 295164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 295264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 29538b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 29548b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 29558b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 2956bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor return getFromTargetType(Target->getPtrDiffType(0)); 29578b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 29588b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 2959e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2960e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 2961e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2962e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 29634ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCanQualType ASTContext::getCanonicalParamType(QualType T) const { 296454e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 296554e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 296654e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 2967745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = getVariableArrayDecayedType(T); 296854e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 296954e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 297054e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 297154e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 297254e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 297354e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 297454e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 297554e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 297654e14c4db764c0636160d26c5bbf491637c83a76John McCall } 297754e14c4db764c0636160d26c5bbf491637c83a76John McCall 297854e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 297954e14c4db764c0636160d26c5bbf491637c83a76John McCall} 298054e14c4db764c0636160d26c5bbf491637c83a76John McCall 298162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallQualType ASTContext::getUnqualifiedArrayType(QualType type, 298262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers &quals) { 298362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall SplitQualType splitType = type.getSplitUnqualifiedType(); 298462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 298562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // FIXME: getSplitUnqualifiedType() actually walks all the way to 298662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // the unqualified desugared type and then drops it on the floor. 298762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // We then have to strip that sugar back off with 298862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // getUnqualifiedDesugaredType(), which is silly. 298962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall const ArrayType *AT = 299062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall dyn_cast<ArrayType>(splitType.first->getUnqualifiedDesugaredType()); 299162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 299262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If we don't have an array, just use the results in splitType. 29939dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 299462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals = splitType.second; 299562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(splitType.first, 0); 299628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 299728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 299862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, recurse on the array's element type. 299962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType elementType = AT->getElementType(); 300062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType unqualElementType = getUnqualifiedArrayType(elementType, quals); 300162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 300262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If that didn't change the element type, AT has no qualifiers, so we 300362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // can just use the results in splitType. 300462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (elementType == unqualElementType) { 300562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(quals.empty()); // from the recursive call 300662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals = splitType.second; 300762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(splitType.first, 0); 300862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 300962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 301062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, add in the qualifiers from the outermost type, then 301162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // build the type back up. 301262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals.addConsistentQualifiers(splitType.second); 301328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 30149dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 301562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getConstantArrayType(unqualElementType, CAT->getSize(), 301628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 301728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 301828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 30199dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 302062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getIncompleteArrayType(unqualElementType, IAT->getSizeModifier(), 0); 302128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 302228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 30239dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 302462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getVariableArrayType(unqualElementType, 30253fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 30269dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 30279dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 30289dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 30299dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 30309dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 30319dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 303262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getDependentSizedArrayType(unqualElementType, DSAT->getSizeExpr(), 303328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 303428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 303528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 303628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 30375a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// UnwrapSimilarPointerTypes - If T1 and T2 are pointer types that 30385a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// may be similar (C++ 4.4), replaces T1 and T2 with the type that 30395a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// they point to and return true. If T1 and T2 aren't pointer types 30405a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// or pointer-to-member types, or if they are not similar at this 30415a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// level, returns false and leaves T1 and T2 unchanged. Top-level 30425a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// qualifiers on T1 and T2 are ignored. This function will typically 30435a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// be called in a loop that successively "unwraps" pointer and 30445a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// pointer-to-member types to compare them at each level. 30455a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregorbool ASTContext::UnwrapSimilarPointerTypes(QualType &T1, QualType &T2) { 30465a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const PointerType *T1PtrType = T1->getAs<PointerType>(), 30475a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2PtrType = T2->getAs<PointerType>(); 30485a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1PtrType && T2PtrType) { 30495a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1PtrType->getPointeeType(); 30505a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2PtrType->getPointeeType(); 30515a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 30525a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 30535a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30545a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const MemberPointerType *T1MPType = T1->getAs<MemberPointerType>(), 30555a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2MPType = T2->getAs<MemberPointerType>(); 30565a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1MPType && T2MPType && 30575a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor hasSameUnqualifiedType(QualType(T1MPType->getClass(), 0), 30585a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor QualType(T2MPType->getClass(), 0))) { 30595a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1MPType->getPointeeType(); 30605a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2MPType->getPointeeType(); 30615a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 30625a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 30635a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30645a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (getLangOptions().ObjC1) { 30655a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const ObjCObjectPointerType *T1OPType = T1->getAs<ObjCObjectPointerType>(), 30665a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2OPType = T2->getAs<ObjCObjectPointerType>(); 30675a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1OPType && T2OPType) { 30685a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1OPType->getPointeeType(); 30695a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2OPType->getPointeeType(); 30705a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 30715a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 30725a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 30735a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30745a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor // FIXME: Block pointers, too? 30755a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30765a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return false; 30775a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor} 30785a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 30794ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadDeclarationNameInfo 30804ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getNameForTemplate(TemplateName Name, 30814ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation NameLoc) const { 3082146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall switch (Name.getKind()) { 3083146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::QualifiedTemplate: 3084146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::Template: 30852577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 3086146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(Name.getAsTemplateDecl()->getDeclName(), 3087146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 30882577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 3089146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::OverloadedTemplate: { 3090146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 3091146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall // DNInfo work in progress: CHECKME: what about DNLoc? 3092146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo((*Storage->begin())->getDeclName(), NameLoc); 3093146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3094146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3095146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::DependentTemplate: { 3096146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 30972577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName DName; 309880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 30992577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getIdentifier(DTN->getIdentifier()); 31002577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc); 310180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 31022577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getCXXOperatorName(DTN->getOperator()); 31032577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: FIXME: source locations? 31042577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc DNLoc; 31052577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.BeginOpNameLoc = SourceLocation().getRawEncoding(); 31062577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.EndOpNameLoc = SourceLocation().getRawEncoding(); 31072577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc, DNLoc); 310880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 310980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 311080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 3111146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParm: { 3112146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 3113146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParm(); 3114146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(subst->getParameter()->getDeclName(), 3115146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 3116146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3117146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3118146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParmPack: { 3119146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmPackStorage *subst 3120146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParmPack(); 3121146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(subst->getParameterPack()->getDeclName(), 3122146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 3123146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3124146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3125146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3126146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("bad template name kind!"); 312780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 312880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 31294ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) const { 3130146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall switch (Name.getKind()) { 3131146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::QualifiedTemplate: 3132146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::Template: { 3133146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateDecl *Template = Name.getAsTemplateDecl(); 31343e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTemplateParmDecl *TTP 3135146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = dyn_cast<TemplateTemplateParmDecl>(Template)) 31363e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Template = getCanonicalTemplateTemplateParmDecl(TTP); 31373e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 31383e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // The canonical template name is the canonical template declaration. 313997fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 31403e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 314125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 3142146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::OverloadedTemplate: 3143146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("cannot canonicalize overloaded template"); 3144146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3145146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::DependentTemplate: { 3146146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 3147146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall assert(DTN && "Non-dependent template names must refer to template decls."); 3148146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DTN->CanonicalTemplateName; 3149146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3150146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3151146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParm: { 3152146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 3153146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParm(); 3154146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return getCanonicalTemplateName(subst->getReplacement()); 31551aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 31561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3157146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParmPack: { 3158146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmPackStorage *subst 3159146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParmPack(); 3160146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateTemplateParmDecl *canonParameter 3161146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = getCanonicalTemplateTemplateParmDecl(subst->getParameterPack()); 3162146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateArgument canonArgPack 3163146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = getCanonicalTemplateArgument(subst->getArgumentPack()); 3164146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return getSubstTemplateTemplateParmPack(canonParameter, canonArgPack); 3165146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3166146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3167146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3168146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("bad template name!"); 316925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 317025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 3171db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 3172db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 3173db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 3174db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 3175db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 3176db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 31771eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 31784ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) const { 31791275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 31801275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 31811275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 31821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31831275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 31841275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 31851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31861275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 3187833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 31881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3189788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 3190788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 3191a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 3192a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor case TemplateArgument::TemplateExpansion: 3193a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor return TemplateArgument(getCanonicalTemplateName( 3194a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor Arg.getAsTemplateOrTemplatePattern()), 31952be29f423acad3bbe39099a78db2805acb5bdf17Douglas Gregor Arg.getNumTemplateExpansions()); 3196a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 31971275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 3198833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 31991275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 32001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32011275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 3202833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 32031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32041275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 320587dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor if (Arg.pack_size() == 0) 320687dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor return Arg; 320787dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor 3208910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgument *CanonArgs 3209910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor = new (*this) TemplateArgument[Arg.pack_size()]; 32101275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 32111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 32121275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 32131275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 32141275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 32151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3216910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor return TemplateArgument(CanonArgs, Arg.pack_size()); 32171275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 32181275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 32191275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 32201275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 32211275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 32221275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 32231275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 32241275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 3225d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 32264ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) const { 32271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 3228d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 3229d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3230d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 3231d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 3232d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 32331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 3234d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 3235d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 3236d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3237d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 3238d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 3239d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 324014aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 324114aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespace()->getOriginalNamespace()); 324214aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor 324314aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor case NestedNameSpecifier::NamespaceAlias: 324414aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 324514aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // this namespace and no prefix. 324614aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 324714aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespaceAlias()->getNamespace() 324814aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor ->getOriginalNamespace()); 3249d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3250d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 3251d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 3252d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 3253264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 3254264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // If we have some kind of dependent-named type (e.g., "typename T::type"), 3255264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // break it apart into its prefix and identifier, then reconsititute those 3256264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // as the canonical nested-name-specifier. This is required to canonicalize 3257264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // a dependent nested-name-specifier involving typedefs of dependent-name 3258264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // types, e.g., 3259264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T::type T1; 3260264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T1::type T2; 3261264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentNameType *DNT = T->getAs<DependentNameType>()) { 3262264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 3263264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DNT->getQualifier()); 3264264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor return NestedNameSpecifier::Create(*this, Prefix, 3265264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor const_cast<IdentifierInfo *>(DNT->getIdentifier())); 3266264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 3267264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 3268643f84353b3b7bbf9b73bcbc7da0ef8a39a5ca99Douglas Gregor // Do the same thing as above, but with dependent-named specializations. 3269264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentTemplateSpecializationType *DTST 3270264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = T->getAs<DependentTemplateSpecializationType>()) { 3271264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 3272264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DTST->getQualifier()); 3273aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor 3274aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor T = getDependentTemplateSpecializationType(DTST->getKeyword(), 3275aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor Prefix, DTST->getIdentifier(), 3276aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor DTST->getNumArgs(), 3277aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor DTST->getArgs()); 3278264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor T = getCanonicalType(T); 3279264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 3280264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 32813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return NestedNameSpecifier::Create(*this, 0, false, 32823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const_cast<Type*>(T.getTypePtr())); 3283d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3284d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3285d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 3286d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 3287d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 3288d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3289d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3290d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 3291d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 3292d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 3293d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3294c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 32954ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadconst ArrayType *ASTContext::getAsArrayType(QualType T) const { 3296c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 3297a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 3298c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 3299c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 3300c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 3301c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 33021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 33043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isa<ArrayType>(T.getCanonicalType())) 3305c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 33061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 3308c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 3309c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 33101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3311c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 3312c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 331350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 33140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = T.getSplitDesugaredType(); 33163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs = split.second; 33171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3318c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 33193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *ATy = dyn_cast<ArrayType>(split.first); 33203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ATy == 0 || qs.empty()) 3321c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 33221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3323c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 3324c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 33253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), qs); 33261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3327c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 3328c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 3329c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 33300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 3331c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 3332c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 3333c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 33340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 3335898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 33361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 3337898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 3338898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 33391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 33403fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall DSAT->getSizeExpr(), 3341898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 33420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 33437e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 33441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3345c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 33467e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 33473fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 3348c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 33490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 33507e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 335177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 335277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 335379e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas GregorQualType ASTContext::getAdjustedParameterType(QualType T) { 335479e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // C99 6.7.5.3p7: 335579e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // A declaration of a parameter as "array of type" shall be 335679e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // adjusted to "qualified pointer to type", where the type 335779e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // qualifiers (if any) are those specified within the [ and ] of 335879e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // the array type derivation. 335979e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor if (T->isArrayType()) 336079e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return getArrayDecayedType(T); 336179e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 336279e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // C99 6.7.5.3p8: 336379e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // A declaration of a parameter as "function returning type" 336479e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // shall be adjusted to "pointer to function returning type", as 336579e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // in 6.3.2.1. 336679e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor if (T->isFunctionType()) 336779e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return getPointerType(T); 336879e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 336979e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return T; 337079e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor} 337179e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 337279e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas GregorQualType ASTContext::getSignatureParameterType(QualType T) { 337379e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor T = getVariableArrayDecayedType(T); 337479e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor T = getAdjustedParameterType(T); 337579e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return T.getUnqualifiedType(); 337679e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor} 337779e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 3378e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 3379e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 3380e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 3381e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 3382e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 3383e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 33844ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getArrayDecayedType(QualType Ty) const { 3385c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 3386c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 3387c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 3388c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 3389c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 3390c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 33911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3392c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 3393e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 3394e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 33950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 3396e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 3397e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 33983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(const ArrayType *array) const { 33993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getBaseElementType(array->getElementType()); 34005e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 34015e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 34023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(QualType type) const { 34033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs; 34043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall while (true) { 34053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = type.getSplitDesugaredType(); 34063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *array = split.first->getAsArrayTypeUnsafe(); 34073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!array) break; 34081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall type = array->getElementType(); 34103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall qs.addConsistentQualifiers(split.second); 34113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 34121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiedType(type, qs); 34146183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 34156183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 34160de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 34171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 34180de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 34190de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 34200de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 34210de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 34220de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 34230de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 34240de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 34250de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 34260de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 34275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 34285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 3429a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 3430183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 34315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 3432a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 3433183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 3434183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 3435a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 34365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 34375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 34385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 34395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 34405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 34415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 34421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 34431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 3444716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 3445716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 34461361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 34471361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 34481361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 34491361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 34501361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 3451716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 3452f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 3453f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 3454f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 3455f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 3456f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 34571361b11066239ea15764a2a844405352d87296b3Chris Lattner 34581361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 34591361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 34601361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 34611361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 34621361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 34631361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 34645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 34655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 34665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 34677cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 34687cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 34697cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 34701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 34714ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) const { 3472a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 3473a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 34741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3475a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 3476fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 3477a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 3478fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 3479fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 34805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 34815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3482f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 3483f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 3484f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 3485f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCallunsigned ASTContext::getIntegerRank(const Type *T) const { 3486467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 3487f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const EnumType* ET = dyn_cast<EnumType>(T)) 3488842aef8d942a880eeb9535d40de31a86838264cbJohn McCall T = ET->getDecl()->getPromotionType().getTypePtr(); 3489f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 34903f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (T->isSpecificBuiltinType(BuiltinType::WChar_S) || 34913f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner T->isSpecificBuiltinType(BuiltinType::WChar_U)) 3492bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor T = getFromTargetType(Target->getWCharType()).getTypePtr(); 3493a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 3494f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 3495bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor T = getFromTargetType(Target->getChar16Type()).getTypePtr(); 3496f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3497f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 3498bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor T = getFromTargetType(Target->getChar32Type()).getTypePtr(); 3499f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3500f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 35017cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 35027cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 3503f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 35047cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 35057cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 35067cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 35077cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 3508f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 35097cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 35107cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 3511f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 35127cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 35137cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 3514f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 35157cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 35167cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 3517f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 35187cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 35197cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 3520f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 35212df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 35222df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 35232df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 3524f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 3525f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 3526f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 352704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 352804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 352904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 353004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 353104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 35324ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::isPromotableBitField(Expr *E) const { 3533ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor if (E->isTypeDependent() || E->isValueDependent()) 3534ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor return QualType(); 3535ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor 353604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 353704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 353804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 353904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 354004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 354104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 354204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 354304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 354404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 354504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 354604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 354704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 354804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 354904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 355004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 355104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 355204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 355304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 355404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 355504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 355604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 355704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 355804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 355904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 356004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 3561a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 3562a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 3563a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 35644ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPromotedIntegerType(QualType Promotable) const { 3565a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 3566a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 3567842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 3568842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 3569a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 3570a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 3571a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 3572a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 3573a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 3574a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 3575a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 3576a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 357731862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis/// \brief Recurses in pointer/array types until it finds an objc retainable 357831862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis/// type and returns its ownership. 357931862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios KyrtzidisQualifiers::ObjCLifetime ASTContext::getInnerObjCOwnership(QualType T) const { 358031862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis while (!T.isNull()) { 358131862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis if (T.getObjCLifetime() != Qualifiers::OCL_None) 358231862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis return T.getObjCLifetime(); 358331862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis if (T->isArrayType()) 358431862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis T = getBaseElementType(T); 358531862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else if (const PointerType *PT = T->getAs<PointerType>()) 358631862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis T = PT->getPointeeType(); 358731862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 358828445f0b62f6aed851ff87ce64d9b19200d3211fArgyrios Kyrtzidis T = RT->getPointeeType(); 358931862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else 359031862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis break; 359131862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis } 359231862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis 359331862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis return Qualifiers::OCL_None; 359431862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis} 359531862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis 35961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 35977cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 35981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 35994ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) const { 3600f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *LHSC = getCanonicalType(LHS).getTypePtr(); 3601f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *RHSC = getCanonicalType(RHS).getTypePtr(); 36027cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 36031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3604f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 3605f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 36061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36077cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 36087cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 36091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36107cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 36117cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 36127cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 36137cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 36141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36157cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 36167cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 36177cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 36187cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 36197cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 36201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36217cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 36227cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 36231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 36247cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 36257cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 36267cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 36277cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 36287cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 36297cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 36301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36317cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 36327cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 36331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 36347cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 36355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 363671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 363779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 3638ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo BagnaraCreateRecordDecl(const ASTContext &Ctx, RecordDecl::TagKind TK, 3639ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara DeclContext *DC, IdentifierInfo *Id) { 3640ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation Loc; 364179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 3642ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return CXXRecordDecl::Create(Ctx, TK, DC, Loc, Loc, Id); 364379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 3644ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return RecordDecl::Create(Ctx, TK, DC, Loc, Loc, Id); 364579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 3646ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara 36471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 36484ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getCFConstantStringType() const { 364971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 36501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 3651ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, 365279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 36535cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 365479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 3655f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 36561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 365771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 36580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 3659f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 3660f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 366171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 36620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 366371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 36641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 36651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 366644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 366744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 36681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 3669ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 367044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 3671a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 36721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 36737a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 36747a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 36752888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 367617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 367744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 367844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 3679838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 368071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 36811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 368271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 36838467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 3684b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3685319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 36866217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3687319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 3688319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 3689319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3690319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 36914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorType() const { 3692adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 3693adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3694adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3695adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3696adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 3697ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, 369879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 36995cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3700adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3701adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3702adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3703adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3704adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3705adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3706adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3707adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 3708083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 3709adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3710adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3711adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 3712ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3713adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 3714adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3715a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3716adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 37177a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 37187a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 37192888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3720adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3721adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3722adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3723838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3724adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3725adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 3726adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3727adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3728adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3729adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 37304ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorExtendedType() const { 3731083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 3732083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3733083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3734083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 3735083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 3736ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, 373779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 37385cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3739083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3740083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 3741083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3742083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3743083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 3744083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 3745083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3746083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3747083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 3748083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 3749083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 3750083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 3751083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 3752083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3753083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3754083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 3755ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3756083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 3757083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 3758a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3759083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 37607a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 37617a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 37622888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3763083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 3764083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 3765083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3766838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3767083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3768083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 3769083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3770083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3771083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3772083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 37734ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::BlockRequiresCopying(QualType Ty) const { 3774f85e193739c953358c865005855253af4f68a497John McCall if (Ty->isObjCRetainableType()) 3775af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3776e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (getLangOptions().CPlusPlus) { 3777e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (const RecordType *RT = Ty->getAs<RecordType>()) { 3778e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl()); 3779ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt return RD->hasConstCopyConstructor(); 3780e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian 3781e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3782e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3783af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3784af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3785af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 37864ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 37875f9e272e632e951b1efe824cd16acb4d96077930Chris LattnerASTContext::BuildByRefType(StringRef DeclName, QualType Ty) const { 3788af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3789ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3790af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3791ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3792ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 3793a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__copy_helper; // as needed 3794a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__destroy_help // as needed 3795af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3796ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3797ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3798af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3799af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3800af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 3801f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3802f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3803f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3804af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3805ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, &Idents.get(Name.str())); 3806af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3807af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3808af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3809af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3810af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3811af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3812af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3813af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3814af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3815af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3816af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3817af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3818af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 38195f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef FieldNames[] = { 3820af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3821af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3822af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3823af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3824af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3825af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3826af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3827af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3828af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3829af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3830af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3831af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3832af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3833ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 3834af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3835a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 38367a614d8380297fcd2bc23986241905d97222948cRichard Smith /*BitWidth=*/0, /*Mutable=*/false, 38377a614d8380297fcd2bc23986241905d97222948cRichard Smith /*HasInit=*/false); 38382888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3839af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3840af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3841af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3842838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3843af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3844af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3845ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3846ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3847e97179c675b341927807c718be215c8d1aab8acbDouglas GregorTypedefDecl *ASTContext::getObjCInstanceTypeDecl() { 3848e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor if (!ObjCInstanceTypeDecl) 3849e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor ObjCInstanceTypeDecl = TypedefDecl::Create(*this, 3850e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor getTranslationUnitDecl(), 3851e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor SourceLocation(), 3852e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor SourceLocation(), 3853e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor &Idents.get("instancetype"), 3854e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor getTrivialTypeSourceInfo(getObjCIdType())); 3855e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor return ObjCInstanceTypeDecl; 3856e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor} 3857e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor 3858e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3859e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 38602d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3861e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3862bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3863bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 38641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 386585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 386685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 386785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3868a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 386933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 38704ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) const { 3871f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (!type->isIncompleteArrayType() && type->isIncompleteType()) 3872f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return CharUnits::Zero(); 3873f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 3874199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 38751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 387633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 38772ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor if (sz.isPositive() && type->isIntegralOrEnumerationType()) 3878199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 387933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 388033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3881199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3882aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3883199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3884199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3885199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3886199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3887199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 388833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 388933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 38906b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall/// getObjCEncodingForBlock - Return the encoded type for this block 38915e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 38926b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCallstd::string ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr) const { 38936b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall std::string S; 38946b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 38955e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 38965e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 38975e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 38985e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 3899c71a4915ca216847599d03cab4ed1c5086b0eb43John McCall getObjCEncodingForType(BlockTy->getAs<FunctionType>()->getResultType(), S); 39005e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 39015e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 39025e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 39035e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3904199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3905199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 39066f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 39075e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 39085e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3909aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3910199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 39115e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 39125e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 39135e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3914199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 39155e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 39165e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 39175e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 39185e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 39195e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 39205e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 39215e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 39225e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 39235e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 39245e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 39255e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 39265e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 39275389f48b24937ad7b4093307128b3cbf25235654David Chisnall // elements. 39285389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (!isa<ConstantArrayType>(AT)) 39295389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 39305389f48b24937ad7b4093307128b3cbf25235654David Chisnall } else if (PType->isFunctionType()) 39315389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 39325389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(PType, S); 39335389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 39345389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += getObjCEncodingTypeSize(PType); 39355389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 39366b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 39376b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall return S; 39385389f48b24937ad7b4093307128b3cbf25235654David Chisnall} 39395389f48b24937ad7b4093307128b3cbf25235654David Chisnall 3940f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregorbool ASTContext::getObjCEncodingForFunctionDecl(const FunctionDecl *Decl, 39415389f48b24937ad7b4093307128b3cbf25235654David Chisnall std::string& S) { 39425389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Encode result type. 39435389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(Decl->getResultType(), S); 39445389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits ParmOffset; 39455389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Compute size of all parameters. 39465389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 39475389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 39485389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = (*PI)->getType(); 39495389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits sz = getObjCEncodingTypeSize(PType); 3950f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (sz.isZero()) 3951f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return true; 3952f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 39535389f48b24937ad7b4093307128b3cbf25235654David Chisnall assert (sz.isPositive() && 3954f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor "getObjCEncodingForFunctionDecl - Incomplete param type"); 39555389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += sz; 39565389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 39575389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 39585389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset = CharUnits::Zero(); 39595389f48b24937ad7b4093307128b3cbf25235654David Chisnall 39605389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Argument types. 39615389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 39625389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 39635389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmVarDecl *PVDecl = *PI; 39645389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = PVDecl->getOriginalType(); 39655389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (const ArrayType *AT = 39665389f48b24937ad7b4093307128b3cbf25235654David Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 39675389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Use array's original type only if it has known number of 39685e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 39695e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 39705e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 39715e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 39725e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 39735e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 3974199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3975aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 39765e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 3977f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 3978f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return false; 39795e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 39805e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 3981a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 398233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 3983f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregorbool ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 39844ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 3985c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3986ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 3987a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 398833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 39890d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 399033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 399133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 399233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 399333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 3994199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 399533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 399633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 3997199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 399889951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 39997732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 400089951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 4001aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 4002f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (sz.isZero()) 4003f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return true; 4004f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 4005199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 4006199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 400733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 400833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 4009199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 401033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 4011199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 40121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 401333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 401433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 401589951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 40167732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 401789951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 40181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 40194306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 4020ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 4021ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 4022ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 4023bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 4024ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 4025ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 4026ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 4027ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 402833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 40294306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 40300d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 4031199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 4032aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 403333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 4034f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 4035f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return false; 403633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 403733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 4038c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 403983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 4040c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 4041c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 40421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 40431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 40441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 40451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 40461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 404783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 404883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 404983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 405083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 405183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 405283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 405383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 405483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 405583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 405683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 405783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 405883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 405983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 406083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 406183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 406283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 40631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 4064c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 40654ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 4066c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 4067c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 4068c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 4069c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4070c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 4071c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 40721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 4073c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 4074c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 407517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 4076653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 4077c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 4078c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 4079c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 4080c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 4081c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4082c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 4083c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4084c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4085c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4086c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 408761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 4088c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 408917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 4090653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 4091c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 4092c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 4093c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 4094c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 4095c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4096c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 4097c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4098c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 40991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4100c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4101c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4102c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4103c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 4104c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 4105c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4106c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 4107090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 4108090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 41091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 4110090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 4111090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 4112c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4113c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 4114c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 4115c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4116c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 4117c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 4118c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 41191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 41203a02b44e3948f7762dbfba94b7961281ca29d022Fariborz Jahanian case ObjCPropertyDecl::Weak: S += ",W"; break; 4121c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4122c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4123c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4124c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 4125c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 4126c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 4127c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 4128c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4129090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 4130090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 41311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4132c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 4133c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 4134077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 4135c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4136c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4137c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 4138c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 4139077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 4140c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4141c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4142c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 4143c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 4144c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 414539f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 4146c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4147c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4148c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 4149c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 4150c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4151a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 41521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 41531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 4154a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 4155a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 4156a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 41578e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 4158183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 41594ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::ULong && getIntWidth(PointeeTy) == 32) 4160a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 41611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 41624ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::Long && getIntWidth(PointeeTy) == 32) 4163a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 4164a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4165a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4166a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 4167a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 41687d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 41694ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FieldDecl *Field) const { 417082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 417182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 417282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 417382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 41741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 41755b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 417682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 417782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 417864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnallstatic char ObjCEncodingForPrimitiveKind(const ASTContext *C, QualType T) { 417964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall switch (T->getAs<BuiltinType>()->getKind()) { 418064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall default: assert(0 && "Unhandled builtin type kind"); 418164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Void: return 'v'; 418264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Bool: return 'B'; 418364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_U: 418464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UChar: return 'C'; 418564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UShort: return 'S'; 418664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt: return 'I'; 418764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULong: 41884ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'L' : 'Q'; 418964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt128: return 'T'; 419064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULongLong: return 'Q'; 419164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_S: 419264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::SChar: return 'c'; 419364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Short: return 's'; 41943f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 41953f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 419664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int: return 'i'; 419764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Long: 41984ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'l' : 'q'; 419964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongLong: return 'q'; 420064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int128: return 't'; 420164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Float: return 'f'; 420264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Double: return 'd'; 42033a0be84b2aed8563150cdbd976a98838afa261ebDaniel Dunbar case BuiltinType::LongDouble: return 'D'; 420464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 420564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall} 420664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall 42075471bc85b69912e3b448de004498a80c0de32296Douglas Gregorstatic char ObjCEncodingForEnumType(const ASTContext *C, const EnumType *ET) { 42085471bc85b69912e3b448de004498a80c0de32296Douglas Gregor EnumDecl *Enum = ET->getDecl(); 42095471bc85b69912e3b448de004498a80c0de32296Douglas Gregor 42105471bc85b69912e3b448de004498a80c0de32296Douglas Gregor // The encoding of an non-fixed enum type is always 'i', regardless of size. 42115471bc85b69912e3b448de004498a80c0de32296Douglas Gregor if (!Enum->isFixed()) 42125471bc85b69912e3b448de004498a80c0de32296Douglas Gregor return 'i'; 42135471bc85b69912e3b448de004498a80c0de32296Douglas Gregor 42145471bc85b69912e3b448de004498a80c0de32296Douglas Gregor // The encoding of a fixed enum type matches its fixed underlying type. 42155471bc85b69912e3b448de004498a80c0de32296Douglas Gregor return ObjCEncodingForPrimitiveKind(C, Enum->getIntegerType()); 42165471bc85b69912e3b448de004498a80c0de32296Douglas Gregor} 42175471bc85b69912e3b448de004498a80c0de32296Douglas Gregor 42184ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic void EncodeBitField(const ASTContext *Ctx, std::string& S, 421964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall QualType T, const FieldDecl *FD) { 42208b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 42218b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 42228b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 422364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The NeXT runtime encodes bit fields as b followed by the number of bits. 422464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The GNU runtime requires more information; bitfields are encoded as b, 422564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // then the offset (in bits) of the first element, then the type of the 422664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // bitfield, then the size in bits. For example, in this structure: 422764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // 422864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // struct 422964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // { 423064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int integer; 423164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int flags:2; 423264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // }; 423364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // On a 32-bit system, the encoding for flags would be b2 for the NeXT 423464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // runtime, but b32i2 for the GNU runtime. The reason for this extra 423564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // information is not especially sensible, but we're stuck with it for 423664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // compatibility with GCC, although providing it breaks anything that 423764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // actually uses runtime introspection and wants to work on both runtimes... 423864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (!Ctx->getLangOptions().NeXTRuntime) { 423964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const RecordDecl *RD = FD->getParent(); 424064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const ASTRecordLayout &RL = Ctx->getASTRecordLayout(RD); 424182905749d5c8d8b4edec11de754a73349cb96603Eli Friedman S += llvm::utostr(RL.getFieldOffset(FD->getFieldIndex())); 42425471bc85b69912e3b448de004498a80c0de32296Douglas Gregor if (const EnumType *ET = T->getAs<EnumType>()) 42435471bc85b69912e3b448de004498a80c0de32296Douglas Gregor S += ObjCEncodingForEnumType(Ctx, ET); 4244c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall else 42454ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad S += ObjCEncodingForPrimitiveKind(Ctx, T); 424664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 424764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 42488b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 42498b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 42508b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 425101eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 425282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 425382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 425482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 4255153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 4256090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 42572636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool EncodingProperty, 42582636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool StructField) const { 425964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (T->getAs<BuiltinType>()) { 4260ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 426164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return EncodeBitField(this, S, T, FD); 426264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(this, T); 4263ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4264ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4266183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 4267c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 42681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 4269c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 4270ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4271ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 427260bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 4273aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 4274aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 42756217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 42768d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 42778d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 42788d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 42798d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 4280aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 4281aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 4282aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 4283aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 4284aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 4285a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 4286a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 4287a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 4288a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 42891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 42908e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 4291a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 4292a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4293a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4294a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 42959fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 4296a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 42976217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 42986217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 4299a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 4300a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4301a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4302a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4303a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4304a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 4305a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 4306a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 4307a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 43085f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner if (StringRef(S).endswith("nr")) 43090237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 4310a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 43111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 431285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 431385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 431485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 4315e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 431685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 431785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 431885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 43196217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 43209533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 43219533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 43229533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 43239533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 43249533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 43259533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 43269533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 43279533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 43289533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 43299533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 43309533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 433185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 433285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 4333a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 4334a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 43351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 433643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 4337ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4338ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4339aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 4340ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 4341ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 4342ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 43432636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (isa<IncompleteArrayType>(AT) && !StructField) { 4344559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 4345559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 4346559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 43471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4348559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4349559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 4350559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 43511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43522636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 43532636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (getTypeSize(CAT->getElementType()) == 0) 43542636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '0'; 43552636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis else 43562636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += llvm::utostr(CAT->getSize().getZExtValue()); 43572636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 4358559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 43592636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert((isa<VariableArrayType>(AT) || isa<IncompleteArrayType>(AT)) && 43602636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis "Unknown array type!"); 4361559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 4362559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 43631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4365559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4366559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 4367559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 4368ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4369ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 43701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4371183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 4372c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 4373ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4374ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 43751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43766217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 437782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 4378d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 4379502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 4380502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 4381502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 43826fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 43836fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 43846fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 43856fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 43866fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 4387910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.data(), 4388910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.size(), 43896fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian (*this).PrintingPolicy); 43906fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 43916fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 43926fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 4393502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 4394502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 4395502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 43960d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 43977d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 43982636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->isUnion()) { 43992636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForStructureImpl(RDecl, S, FD); 44002636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 44012636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 44022636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 44032636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis Field != FieldEnd; ++Field) { 44042636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 44052636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 44062636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += Field->getNameAsString(); 44072636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 44082636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 44091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44102636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // Special case bit-fields. 44112636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (Field->isBitField()) { 44122636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 44132636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis (*Field)); 44142636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 44152636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis QualType qt = Field->getType(); 44162636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getLegacyIntegralTypeEncoding(qt); 44172636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(qt, S, false, true, 44182636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FD, /*OutermostType*/false, 44192636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*EncodingProperty*/false, 44202636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*StructField*/true); 44212636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 4422d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 44237d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 44246de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 4425d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 4426ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4427ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4428e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 44295471bc85b69912e3b448de004498a80c0de32296Douglas Gregor if (const EnumType *ET = T->getAs<EnumType>()) { 44308b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 443164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall EncodeBitField(this, S, T, FD); 44328b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 44335471bc85b69912e3b448de004498a80c0de32296Douglas Gregor S += ObjCEncodingForEnumType(this, ET); 4434ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4435ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4437ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 443821a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 4439ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4440ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4442c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 4443c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 4444c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 4445c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 44460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 444743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 44480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 444943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 445043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 445143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 445243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 4453db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose SmallVector<const ObjCIvarDecl*, 32> Ivars; 44542c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(OI, true, Ivars); 44552c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (unsigned i = 0, e = Ivars.size(); i != e; ++i) { 4456db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose const FieldDecl *Field = cast<FieldDecl>(Ivars[i]); 44572c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (Field->isBitField()) 44582c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, Field); 445943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 44602c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, FD); 446143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 446243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 4463ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 446443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 44651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4466183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 446714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 446814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 446914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4470ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 447227d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 447327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 447427d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 447527d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 447614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 447714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4478ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4480ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 44811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 448214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 448314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 448414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 448514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 448614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 448714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 448867ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 448967ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 449014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 449114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 449214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 449314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 449414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 449514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 449614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4497ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 44981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4499ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 4500ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 4501ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 4502ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 45031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 4504ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 4505ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 45061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 45071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 4508ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 450914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 451014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4511ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 4512ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 451327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 4514ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 451527d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 451667ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 451767ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 4518ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 4519ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 4520ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 45211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4522ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 4523ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4524ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4525ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 45261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4527532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 4528532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 4529532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 4530532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 4531e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4532e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian if (T->isVectorType()) { 4533e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // This matches gcc's encoding, even though technically it is 4534e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // insufficient. 4535e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // FIXME. We should do a better job than gcc. 4536e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian return; 4537e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian } 4538e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4539ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 454085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 454185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 45422636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidisvoid ASTContext::getObjCEncodingForStructureImpl(RecordDecl *RDecl, 45432636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::string &S, 45442636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis const FieldDecl *FD, 45452636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool includeVBases) const { 45462636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(RDecl && "Expected non-null RecordDecl"); 45472636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(!RDecl->isUnion() && "Should not be called for unions"); 45482636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->getDefinition()) 45492636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis return; 45502636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45512636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *CXXRec = dyn_cast<CXXRecordDecl>(RDecl); 45522636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::multimap<uint64_t, NamedDecl *> FieldOrBaseOffsets; 45532636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis const ASTRecordLayout &layout = getASTRecordLayout(RDecl); 45542636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45552636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec) { 45562636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (CXXRecordDecl::base_class_iterator 45572636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BI = CXXRec->bases_begin(), 45582636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BE = CXXRec->bases_end(); BI != BE; ++BI) { 45592636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!BI->isVirtual()) { 45602636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *base = BI->getType()->getAsCXXRecordDecl(); 4561829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis if (base->isEmpty()) 4562829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis continue; 45632636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getBaseClassOffsetInBits(base); 45642636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 45652636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, base)); 45662636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45672636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45682636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45692636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45702636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis unsigned i = 0; 45712636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 45722636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 45732636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis Field != FieldEnd; ++Field, ++i) { 45742636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getFieldOffset(i); 45752636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 45762636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, *Field)); 45772636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45782636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45792636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec && includeVBases) { 45802636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (CXXRecordDecl::base_class_iterator 45812636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BI = CXXRec->vbases_begin(), 45822636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BE = CXXRec->vbases_end(); BI != BE; ++BI) { 45832636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *base = BI->getType()->getAsCXXRecordDecl(); 4584829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis if (base->isEmpty()) 4585829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis continue; 45862636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getVBaseClassOffsetInBits(base); 45872636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 45882636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, base)); 45892636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45902636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45912636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45922636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CharUnits size; 45932636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec) { 45942636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis size = includeVBases ? layout.getSize() : layout.getNonVirtualSize(); 45952636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 45962636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis size = layout.getSize(); 45972636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 45982636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 45992636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t CurOffs = 0; 46002636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::multimap<uint64_t, NamedDecl *>::iterator 46012636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurLayObj = FieldOrBaseOffsets.begin(); 46022636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 4603cb8061e321bc6f46f154529885028256c7ae1fb2Argyrios Kyrtzidis if ((CurLayObj != FieldOrBaseOffsets.end() && CurLayObj->first != 0) || 4604cb8061e321bc6f46f154529885028256c7ae1fb2Argyrios Kyrtzidis (CurLayObj == FieldOrBaseOffsets.end() && 4605cb8061e321bc6f46f154529885028256c7ae1fb2Argyrios Kyrtzidis CXXRec && CXXRec->isDynamicClass())) { 46062636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(CXXRec && CXXRec->isDynamicClass() && 46072636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis "Offset 0 was empty but no VTable ?"); 46082636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 46092636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += "\"_vptr$"; 46102636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::string recname = CXXRec->getNameAsString(); 46112636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (recname.empty()) recname = "?"; 46122636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += recname; 46132636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 46142636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46152636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += "^^?"; 46162636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += getTypeSize(VoidPtrTy); 46172636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46182636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46192636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->hasFlexibleArrayMember()) { 46202636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // Mark the end of the structure. 46212636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = toBits(size); 46222636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 46232636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, (NamedDecl*)0)); 46242636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46252636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46262636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (; CurLayObj != FieldOrBaseOffsets.end(); ++CurLayObj) { 46272636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(CurOffs <= CurLayObj->first); 46282636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46292636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CurOffs < CurLayObj->first) { 46302636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t padding = CurLayObj->first - CurOffs; 46312636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // FIXME: There doesn't seem to be a way to indicate in the encoding that 46322636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // packing/alignment of members is different that normal, in which case 46332636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // the encoding will be out-of-sync with the real layout. 46342636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // If the runtime switches to just consider the size of types without 46352636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // taking into account alignment, we could make padding explicit in the 46362636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // encoding (e.g. using arrays of chars). The encoding strings would be 46372636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // longer then though. 46382636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += padding; 46392636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46402636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46412636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis NamedDecl *dcl = CurLayObj->second; 46422636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (dcl == 0) 46432636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis break; // reached end of structure. 46442636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46452636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRecordDecl *base = dyn_cast<CXXRecordDecl>(dcl)) { 46462636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // We expand the bases without their virtual bases since those are going 46472636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // in the initial structure. Note that this differs from gcc which 46482636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // expands virtual bases each time one is encountered in the hierarchy, 46492636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // making the encoding type bigger than it really is. 46502636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForStructureImpl(base, S, FD, /*includeVBases*/false); 4651829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis assert(!base->isEmpty()); 4652829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis CurOffs += toBits(getASTRecordLayout(base).getNonVirtualSize()); 46532636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 46542636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldDecl *field = cast<FieldDecl>(dcl); 46552636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 46562636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 46572636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += field->getNameAsString(); 46582636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 46592636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46602636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46612636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (field->isBitField()) { 46622636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis EncodeBitField(this, S, field->getType(), field); 46632636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += field->getBitWidth()->EvaluateAsInt(*this).getZExtValue(); 46642636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 46652636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis QualType qt = field->getType(); 46662636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getLegacyIntegralTypeEncoding(qt); 46672636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(qt, S, false, true, FD, 46682636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*OutermostType*/false, 46692636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*EncodingProperty*/false, 46702636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*StructField*/true); 46712636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += getTypeSize(field->getType()); 46722636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46732636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46742636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46752636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis} 46762636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 46771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 4678ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 4679ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 4680ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 4681ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 4682ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 4683ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 4684ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 4685ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 4686ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 4687ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 4688ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 4689ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 4690ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 4691ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 4692ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 4693ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 4694b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 46951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4696b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 4697b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 4698b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 46994dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas GregorTypedefDecl *ASTContext::getObjCIdDecl() const { 47004dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor if (!ObjCIdDecl) { 47014dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor QualType T = getObjCObjectType(ObjCBuiltinIdTy, 0, 0); 47024dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor T = getObjCObjectPointerType(T); 47034dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor TypeSourceInfo *IdInfo = getTrivialTypeSourceInfo(T); 47044dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor ObjCIdDecl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 47054dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor getTranslationUnitDecl(), 47064dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor SourceLocation(), SourceLocation(), 47074dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor &Idents.get("id"), IdInfo); 47084dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor } 47094dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor 47104dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor return ObjCIdDecl; 47117e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 47127e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 47137a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas GregorTypedefDecl *ASTContext::getObjCSelDecl() const { 47147a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor if (!ObjCSelDecl) { 47157a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor QualType SelT = getPointerType(ObjCBuiltinSelTy); 47167a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor TypeSourceInfo *SelInfo = getTrivialTypeSourceInfo(SelT); 47177a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor ObjCSelDecl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 47187a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor getTranslationUnitDecl(), 47197a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor SourceLocation(), SourceLocation(), 47207a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor &Idents.get("SEL"), SelInfo); 47217a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor } 47227a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor return ObjCSelDecl; 4723b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 4724b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 4725ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 4726a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 4727390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 4728390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 472979d6726921897811232554ed94c5d77b5b7b3fc0Douglas GregorTypedefDecl *ASTContext::getObjCClassDecl() const { 473079d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor if (!ObjCClassDecl) { 473179d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor QualType T = getObjCObjectType(ObjCBuiltinClassTy, 0, 0); 473279d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor T = getObjCObjectPointerType(T); 473379d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor TypeSourceInfo *ClassInfo = getTrivialTypeSourceInfo(T); 473479d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor ObjCClassDecl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 473579d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor getTranslationUnitDecl(), 473679d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor SourceLocation(), SourceLocation(), 473779d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor &Idents.get("Class"), ClassInfo); 473879d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor } 473979d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor 474079d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor return ObjCClassDecl; 47418baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 47428baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 4743a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 47441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 47452198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 47461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4747a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 47482198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 47492198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 47500bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 47510bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 47524ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 47534ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 47544ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad UnresolvedSetIterator End) const { 47550bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 47560bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 47577532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 47580bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 47590bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 47600bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 47610bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 47620bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 4763eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 47640bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 47650bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 47660bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 47670bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 47680bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 47697532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 47707532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 47710bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 47727532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 47737532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4774d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 4775d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 47764ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 47774ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 47784ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool TemplateKeyword, 47794ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad TemplateDecl *Template) const { 47800f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor assert(NNS && "Missing nested-name-specifier in qualified template name"); 47810f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor 4782789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 4783d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 4784d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 47851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4786d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 4787d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 47880bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4789d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 4790d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 4791d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 4792d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 47931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4794d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 4795d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 4796d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 47977532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 47987532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 47994ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 48004ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 48014ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const IdentifierInfo *Name) const { 48021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 48033b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 48047532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 48057532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 48067532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 48077532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 48087532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 48097532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 48107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 48117532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 48127532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 48137532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 48147532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 48157532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 48167532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 48177532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 48187532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 48197532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 48207532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 4821789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 4822789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4823789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 4824789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 48257532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 48267532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 48277532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 48287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 48297532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 48307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4831ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 4832ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 4833ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 4834ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 48354ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad OverloadedOperatorKind Operator) const { 4836ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 4837ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 4838ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4839ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 4840ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 4841ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4842ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 4843789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 4844789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4845ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4846ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 4847ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4848ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4849ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 4850ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 4851ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 4852ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 4853ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 4854ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 4855789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 4856789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 4857789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4858789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 4859789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 4860ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 4861ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4862ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 4863ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4864ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 4865ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 48661aee05d08b2184acadeb36de300e216390780d6cDouglas GregorTemplateName 4867146060435c3efce95c95a092c7a1eb651cfb9ae0John McCallASTContext::getSubstTemplateTemplateParm(TemplateTemplateParmDecl *param, 4868146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateName replacement) const { 4869146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm::FoldingSetNodeID ID; 4870146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage::Profile(ID, param, replacement); 4871146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 4872146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall void *insertPos = 0; 4873146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 4874146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = SubstTemplateTemplateParms.FindNodeOrInsertPos(ID, insertPos); 4875146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 4876146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall if (!subst) { 4877146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall subst = new (*this) SubstTemplateTemplateParmStorage(param, replacement); 4878146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParms.InsertNode(subst, insertPos); 4879146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 4880146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 4881146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return TemplateName(subst); 4882146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall} 4883146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 4884146060435c3efce95c95a092c7a1eb651cfb9ae0John McCallTemplateName 48851aee05d08b2184acadeb36de300e216390780d6cDouglas GregorASTContext::getSubstTemplateTemplateParmPack(TemplateTemplateParmDecl *Param, 48861aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor const TemplateArgument &ArgPack) const { 48871aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ASTContext &Self = const_cast<ASTContext &>(*this); 48881aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor llvm::FoldingSetNodeID ID; 48891aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage::Profile(ID, Self, Param, ArgPack); 48901aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 48911aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor void *InsertPos = 0; 48921aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage *Subst 48931aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = SubstTemplateTemplateParmPacks.FindNodeOrInsertPos(ID, InsertPos); 48941aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 48951aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor if (!Subst) { 4896146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall Subst = new (*this) SubstTemplateTemplateParmPackStorage(Param, 48971aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_size(), 48981aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_begin()); 48991aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPacks.InsertNode(Subst, InsertPos); 49001aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 49011aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 49021aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor return TemplateName(Subst); 49031aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor} 49041aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 4905b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 4906d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 4907d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 4908e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 4909b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 4910e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 4911b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 4912b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 4913b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 4914b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 4915b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 4916b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 4917b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 4918b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 4919b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 4920b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 4921b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 4922e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 4923b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 4924b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4925b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4926b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 4927b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4928b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 49294fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 49304fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 49314fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 4932ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(QualType Ty) const { 4933e289d81369914678db386f6aa86faf8f178e245dDouglas Gregor if (getLangOptions().getGC() == LangOptions::NonGC) 4934ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::GCNone; 4935ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 4936ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(getLangOptions().ObjC1); 4937ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall Qualifiers::GC GCAttrs = Ty.getObjCGCAttr(); 4938ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 4939ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // Default behaviour under objective-C's gc is for ObjC pointers 4940ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // (or pointers to them) be treated as though they were declared 4941ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // as __strong. 4942ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (GCAttrs == Qualifiers::GCNone) { 4943ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 4944ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::Strong; 4945ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall else if (Ty->isPointerType()) 4946ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 4947ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall } else { 4948ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // It's not valid to set GC attributes on anything that isn't a 4949ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // pointer. 4950ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#ifndef NDEBUG 4951ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall QualType CT = Ty->getCanonicalTypeInternal(); 4952ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall while (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 4953ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall CT = AT->getElementType(); 4954ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(CT->isAnyPointerType() || CT->isBlockPointerType()); 4955ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#endif 49564fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 4957b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 49584fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 49594fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 49606ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 49616ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 49626ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 4963770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 49641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 49656ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 49666ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 49676ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 4968467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 49696ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 497061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 49716ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 49726ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4973255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregorbool ASTContext::areCompatibleVectorTypes(QualType FirstVec, 4974255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor QualType SecondVec) { 4975255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(FirstVec->isVectorType() && "FirstVec should be a vector type"); 4976255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(SecondVec->isVectorType() && "SecondVec should be a vector type"); 4977255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4978255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (hasSameUnqualifiedType(FirstVec, SecondVec)) 4979255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4980255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4981f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // Treat Neon vector types and most AltiVec vector types as if they are the 4982f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // equivalent GCC vector types. 4983255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *First = FirstVec->getAs<VectorType>(); 4984255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *Second = SecondVec->getAs<VectorType>(); 4985f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson if (First->getNumElements() == Second->getNumElements() && 4986255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor hasSameType(First->getElementType(), Second->getElementType()) && 4987f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecPixel && 4988f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecBool && 4989f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecPixel && 4990f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecBool) 4991255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4992255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4993255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return false; 4994255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor} 4995255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 49964084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 49974084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 49984084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 49994084c306635b70f37029dca938444e6013f08684Steve Naroff 50004084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 50014084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 50024ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool 50034ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 50044ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad ObjCProtocolDecl *rProto) const { 50054084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 500614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 50074084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 50084084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 50094084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 50104084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 50114084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 50124084c306635b70f37029dca938444e6013f08684Steve Naroff} 501314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 50144084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 50154084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 50164084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 50174084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 50184084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 50194084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 50204084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 50214084c306635b70f37029dca938444e6013f08684Steve Naroff} 50224084c306635b70f37029dca938444e6013f08684Steve Naroff 5023a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// ObjCQualifiedClassTypesAreCompatible - compare Class<p,...> and 5024a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// Class<p1, ...>. 5025a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanianbool ASTContext::ObjCQualifiedClassTypesAreCompatible(QualType lhs, 5026a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType rhs) { 5027a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *lhsQID = lhs->getAs<ObjCObjectPointerType>(); 5028a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 5029a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian assert ((lhsQID && rhsOPT) && "ObjCQualifiedClassTypesAreCompatible"); 5030a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5031a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 5032a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = lhsQID->qual_end(); I != E; ++I) { 5033a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian bool match = false; 5034a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *lhsProto = *I; 5035a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 5036a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = rhsOPT->qual_end(); J != E; ++J) { 5037a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 5038a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto)) { 5039a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian match = true; 5040a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian break; 5041a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 5042a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 5043a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (!match) 5044a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return false; 5045a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 5046a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return true; 5047a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian} 5048a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 50494084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 50504084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 50514084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 50524084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 50534084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 50541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 50554084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 50564084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 50571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 50584084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 50594084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 50604084c306635b70f37029dca938444e6013f08684Steve Naroff 50614084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 5062183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 50631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50644084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 50651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50664084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 50671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 50684084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 50694084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 50704084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 50714084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 50724084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 50734084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 50744084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 50750fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 50764084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 50774084c306635b70f37029dca938444e6013f08684Steve Naroff } 50784084c306635b70f37029dca938444e6013f08684Steve Naroff } 50794084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 50804084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 50814084c306635b70f37029dca938444e6013f08684Steve Naroff } 50821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 50834084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 50844084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 50854084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 50864084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 5087de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 5088de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 5089de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 5090de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 50914084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 50924084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 50934084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 50944084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 50954084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 50964084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 50978f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 50988f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 5099de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 51001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 51014084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 51024084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 51034084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 51044084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 51054084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 51064084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 51074084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 51080fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 51094084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 51104084c306635b70f37029dca938444e6013f08684Steve Naroff break; 51114084c306635b70f37029dca938444e6013f08684Steve Naroff } 51124084c306635b70f37029dca938444e6013f08684Steve Naroff } 51134084c306635b70f37029dca938444e6013f08684Steve Naroff } 51144084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 5115de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 5116de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 51171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5118de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 5119de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 51201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51214084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 51224084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 51234084c306635b70f37029dca938444e6013f08684Steve Naroff 51241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 51254084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 5126de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // If both the right and left sides have qualifiers. 51274084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 51284084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 51294084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 51304084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 51314084c306635b70f37029dca938444e6013f08684Steve Naroff 5132de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // when comparing an id<P> on rhs with a static type on lhs, 51334084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 51344084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 5135de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // First, lhs protocols in the qualifier list must be found, direct 5136de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // or indirect in rhs's qualifier list or it is a mismatch. 51374084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 51384084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 51394084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 51404084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 51414084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 51424084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 51434084c306635b70f37029dca938444e6013f08684Steve Naroff break; 51444084c306635b70f37029dca938444e6013f08684Steve Naroff } 51454084c306635b70f37029dca938444e6013f08684Steve Naroff } 51464084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 51474084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 51484084c306635b70f37029dca938444e6013f08684Steve Naroff } 5149de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian 5150de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // Static class's protocols, or its super class or category protocols 5151de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // must be found, direct or indirect in rhs's qualifier list or it is a mismatch. 5152de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 5153de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 5154de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian CollectInheritedProtocols(lhsID, LHSInheritedProtocols); 5155de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // This is rather dubious but matches gcc's behavior. If lhs has 5156de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // no type qualifier and its class has no static protocol(s) 5157de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // assume that it is mismatch. 5158de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (LHSInheritedProtocols.empty() && lhsOPT->qual_empty()) 5159de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 5160de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5161de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian LHSInheritedProtocols.begin(), 5162de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = LHSInheritedProtocols.end(); I != E; ++I) { 5163de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian bool match = false; 5164de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *lhsProto = (*I); 5165de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 5166de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = rhsQID->qual_end(); J != E; ++J) { 5167de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 5168de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 5169de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 5170de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian match = true; 5171de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian break; 5172de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5173de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5174de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (!match) 5175de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 5176de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5177de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 51784084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 51794084c306635b70f37029dca938444e6013f08684Steve Naroff } 51804084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 51814084c306635b70f37029dca938444e6013f08684Steve Naroff} 51824084c306635b70f37029dca938444e6013f08684Steve Naroff 51834084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 51844084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 51854084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 51864084c306635b70f37029dca938444e6013f08684Steve Naroff/// 51874084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 51884084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 5189c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 5190c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 5191c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 51924084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 5193c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 5194c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 51954084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 51964084c306635b70f37029dca938444e6013f08684Steve Naroff 5197c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 51981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 51991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 52004084c306635b70f37029dca938444e6013f08684Steve Naroff false); 5201a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5202a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (LHS->isObjCQualifiedClass() && RHS->isObjCQualifiedClass()) 5203a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return ObjCQualifiedClassTypesAreCompatible(QualType(LHSOPT,0), 5204a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType(RHSOPT,0)); 5205a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5206c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 5207c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 52084084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 52091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52104084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 521114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 521214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5213132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 5214fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner/// for providing type-safety for objective-c pointers used to pass/return 5215132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 5216132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 5217132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 5218132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 5219132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 5220a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 5221a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian bool BlockReturnType) { 5222a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 5223132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 5224132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5225132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 5226132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 5227132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5228132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5229a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 5230132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 5231132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 5232132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 5233132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5234132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 5235132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 5236132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 5237132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 5238132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 5239a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian return BlockReturnType; 5240132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 5241a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian return !BlockReturnType; 5242132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5243132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 5244132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 5245132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5246132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 5247132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 5248132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5249e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 5250e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 5251e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 5252e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 5253e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 5254e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 5255e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 5256e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 52575f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 5258e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5259c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 5260c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 5261c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 5262c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 5263e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5264e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 5265e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 5266e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 5267e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 5268e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 5269432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 5270c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 5271c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 5272e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 5273e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 5274e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 5275e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5276e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 5277e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 5278cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 5279cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 5280e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 5281e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 5282e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 52833060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 5284432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 5285c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 5286c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 5287432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5288432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 5289432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 5290432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 5291432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 5292e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 5293e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 5294e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5295db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 5296db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 5297db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 5298db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 5299db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 5300c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 5301c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 5302c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 5303c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 5304c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 5305c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 53067c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian if (!LDecl || !RDecl || (LDecl == RDecl)) 5307db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 5308db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 53097c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian do { 5310c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 5311e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 53125f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<ObjCProtocolDecl *, 8> Protocols; 5313c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 5314c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5315c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 5316c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 5317c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 5318c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 5319c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 5320e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 53217c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian } while ((LDecl = LDecl->getSuperClass())); 5322db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 5323db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 5324db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 5325db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 5326c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 5327c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 5328c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 5329c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 5330c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 53316ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 53326ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 5333c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 53346ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 53351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53366ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 53376ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 5338c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 53396ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 53401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5341b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, 5342b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // more detailed analysis is required. 5343b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (RHS->getNumProtocols() == 0) { 5344b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // OK, if LHS is a superclass of RHS *and* 5345b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // this superclass is assignment compatible with LHS. 5346b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // false otherwise. 5347627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian bool IsSuperClass = 5348627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian LHS->getInterface()->isSuperClassOf(RHS->getInterface()); 5349627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian if (IsSuperClass) { 5350b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // OK if conversion of LHS to SuperClass results in narrowing of types 5351b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // ; i.e., SuperClass may implement at least one of the protocols 5352b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // in LHS's protocol list. Example, SuperObj<P1> = lhs<P1,P2> is ok. 5353b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // But not SuperObj<P1,P2,P3> = lhs<P1,P2>. 5354b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> SuperClassInheritedProtocols; 5355627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian CollectInheritedProtocols(RHS->getInterface(), SuperClassInheritedProtocols); 5356b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // If super class has no protocols, it is not a match. 5357b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (SuperClassInheritedProtocols.empty()) 5358b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5359b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian 5360b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 5361b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian LHSPE = LHS->qual_end(); 5362b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian LHSPI != LHSPE; LHSPI++) { 5363b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian bool SuperImplementsProtocol = false; 5364b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian ObjCProtocolDecl *LHSProto = (*LHSPI); 5365b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian 5366b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5367b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian SuperClassInheritedProtocols.begin(), 5368b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian E = SuperClassInheritedProtocols.end(); I != E; ++I) { 5369b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian ObjCProtocolDecl *SuperClassProto = (*I); 5370b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (SuperClassProto->lookupProtocolNamed(LHSProto->getIdentifier())) { 5371b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian SuperImplementsProtocol = true; 5372b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian break; 5373b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5374b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5375b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (!SuperImplementsProtocol) 5376b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5377b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5378b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return true; 5379b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5380b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5381b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 53821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5383c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 5384c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 538591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 538691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 538791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 538891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 538991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 5390c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 5391c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 53928f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 53938f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 539491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 53958f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 53968f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 539791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 539891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 539991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 540091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 540191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 540291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 540391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 54046ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 54056ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 5406389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 5407389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 5408183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 5409183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 54101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 541114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 5412389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 541314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 541414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 541514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 5416389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 5417389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 5418569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorbool ASTContext::canBindObjCObjectType(QualType To, QualType From) { 5419569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return canAssignObjCInterfaces( 5420569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(To)->getAs<ObjCObjectPointerType>(), 5421569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(From)->getAs<ObjCObjectPointerType>()); 5422569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 5423569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 54241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 5425ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 54261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 5427ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 5428447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregorbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS, 5429447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool CompareUnqualified) { 54300e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 54310e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 54320e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 5433447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return !mergeTypes(LHS, RHS, false, CompareUnqualified).isNull(); 54343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 54353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5436c286f3835eb6001c61664cef5d610dfaf80a6e9bFariborz Jahanianbool ASTContext::propertyTypesAreCompatible(QualType LHS, QualType RHS) { 543782378391dfc3b2fc22f63dbf1552bd9aed39dc42Fariborz Jahanian return typesAreCompatible(LHS, RHS); 5438c286f3835eb6001c61664cef5d610dfaf80a6e9bFariborz Jahanian} 5439c286f3835eb6001c61664cef5d610dfaf80a6e9bFariborz Jahanian 5440132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 5441132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 5442132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 5443132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 54444846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeTransparentUnionType - if T is a transparent union type and a member 54454846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// of T is compatible with SubType, return the merged type, else return 54464846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// QualType() 54474846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeTransparentUnionType(QualType T, QualType SubType, 54484846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 54494846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 54504846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (const RecordType *UT = T->getAsUnionType()) { 54514846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne RecordDecl *UD = UT->getDecl(); 54524846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (UD->hasAttr<TransparentUnionAttr>()) { 54534846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne for (RecordDecl::field_iterator it = UD->field_begin(), 54544846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne itend = UD->field_end(); it != itend; ++it) { 5455f91d7572ee7fa6f2926c8e7e816039a1154a59f8Peter Collingbourne QualType ET = it->getType().getUnqualifiedType(); 54564846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType MT = mergeTypes(ET, SubType, OfBlockPointer, Unqualified); 54574846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!MT.isNull()) 54584846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return MT; 54594846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 54604846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 54614846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 54624846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 54634846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return QualType(); 54644846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 54654846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 54664846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeFunctionArgumentTypes - merge two types which appear as function 54674846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// argument types 54684846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeFunctionArgumentTypes(QualType lhs, QualType rhs, 54694846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 54704846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 54714846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // GNU extension: two types are compatible if they appear as a function 54724846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // argument, one of the types is a transparent union type and the other 54734846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // type is compatible with a union member 54744846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType lmerge = mergeTransparentUnionType(lhs, rhs, OfBlockPointer, 54754846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 54764846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!lmerge.isNull()) 54774846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return lmerge; 54784846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 54794846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType rmerge = mergeTransparentUnionType(rhs, lhs, OfBlockPointer, 54804846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 54814846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!rmerge.isNull()) 54824846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return rmerge; 54834846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 54844846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return mergeTypes(lhs, rhs, OfBlockPointer, Unqualified); 54854846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 54864846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 5487132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 5488447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5489447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 5490183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 5491183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 549272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 549372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 54943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 54953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 54963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 54973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 5498132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 5499d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (OfBlockPointer) { 5500d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType RHS = rbase->getResultType(); 5501d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType LHS = lbase->getResultType(); 5502d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian bool UnqualifiedResult = Unqualified; 5503d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (!UnqualifiedResult) 5504d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian UnqualifiedResult = (!RHS.hasQualifiers() && LHS.hasQualifiers()); 5505a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian retType = mergeTypes(LHS, RHS, true, UnqualifiedResult, true); 5506d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian } 5507132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 55088cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall retType = mergeTypes(lbase->getResultType(), rbase->getResultType(), false, 55098cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall Unqualified); 55103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 5511447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5512447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5513447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = retType.getUnqualifiedType(); 5514447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5515447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType LRetType = getCanonicalType(lbase->getResultType()); 5516447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType RRetType = getCanonicalType(rbase->getResultType()); 5517447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5518447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LRetType = LRetType.getUnqualifiedType(); 5519447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RRetType = RRetType.getUnqualifiedType(); 5520447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5521447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5522447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != LRetType) 552361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 5524447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != RRetType) 552561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 55268cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 55276a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 55286a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 55296a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 55306a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 5531264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 5532264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 55338cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 55348cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Compatible functions must have compatible calling conventions 55358cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (!isSameCallConv(lbaseInfo.getCC(), rbaseInfo.getCC())) 55368cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 55378cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 55388cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Regparm is part of the calling convention. 5539a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman if (lbaseInfo.getHasRegParm() != rbaseInfo.getHasRegParm()) 5540a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman return QualType(); 55418cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (lbaseInfo.getRegParm() != rbaseInfo.getRegParm()) 55428cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 55438cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 5544f85e193739c953358c865005855253af4f68a497John McCall if (lbaseInfo.getProducesResult() != rbaseInfo.getProducesResult()) 5545f85e193739c953358c865005855253af4f68a497John McCall return QualType(); 5546f85e193739c953358c865005855253af4f68a497John McCall 55478cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // It's noreturn if either type is. 55488cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // FIXME: some uses, e.g. conditional exprs, really want this to be 'both'. 55496a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 55508cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (NoReturn != lbaseInfo.getNoReturn()) 55516a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 55528cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (NoReturn != rbaseInfo.getNoReturn()) 55536a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 55541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5555f85e193739c953358c865005855253af4f68a497John McCall FunctionType::ExtInfo einfo = lbaseInfo.withNoReturn(NoReturn); 5556e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 55573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 5558465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 5559465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 55603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 55613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 55623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 55633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 55643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 55653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 55663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 55673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 55683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 55693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 55703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 55717fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 55727fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 55737fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 55743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 55755f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 10> types; 55763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 55773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 55783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 55794846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType argtype = mergeFunctionArgumentTypes(largtype, rargtype, 55804846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne OfBlockPointer, 55814846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 55823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 5583447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5584447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5585447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor argtype = argtype.getUnqualifiedType(); 5586447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 55873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 5588447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5589447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor largtype = largtype.getUnqualifiedType(); 5590447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor rargtype = rargtype.getUnqualifiedType(); 5591447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5592447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 559361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 559461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 559561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 559661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 55973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 55983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 55993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5600e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5601e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = lproto->getExtProtoInfo(); 5602e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 5603e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(retType, types.begin(), types.size(), EPI); 56043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 56053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 56063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 56073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 56083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 560972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 56103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 5611465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 56123d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 56133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 56143d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 56153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 56163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 56173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 56183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 56193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 56203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 5621b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 5622b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 5623b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 5624b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 5625b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 5626b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 56273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 56283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 56293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 56303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 56313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 56323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 56333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5634e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5635e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = proto->getExtProtoInfo(); 5636e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 56373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 5638e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall proto->getNumArgs(), EPI); 56393d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 56403d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 56413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 56423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 56438cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return getFunctionNoProtoType(retType, einfo); 56443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 56453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5646132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 5647447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5648a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian bool Unqualified, bool BlockReturnType) { 564943d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 565043d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 565143d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 56527c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 56537c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 56540e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 56550e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 5656447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5657447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5658447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHS = LHS.getUnqualifiedType(); 5659447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHS = RHS.getUnqualifiedType(); 5660447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 56610e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 56623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 56633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 56643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5665f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 56663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 56673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 56683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 56690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 5670a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 5671a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 56720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 56730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 56740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 56750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 5676f85e193739c953358c865005855253af4f68a497John McCall LQuals.getAddressSpace() != RQuals.getAddressSpace() || 5677f85e193739c953358c865005855253af4f68a497John McCall LQuals.getObjCLifetime() != RQuals.getObjCLifetime()) 56780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 56790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 56800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 56810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 56820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 56830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 56840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 56850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 56860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 56870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 56880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 56890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 56900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 56910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 56920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 56930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 56940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 56950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 56960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 56970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 56983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 56990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 57000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 57010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 57023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5703852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 5704852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 5705f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 57061adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 57071adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 57081adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 57091adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 57104c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 57114c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 5712a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 5713a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 5714a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 5715a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 57161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5717c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 5718c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 5719c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 5720c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5721213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 5722213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 5723213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 57241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 57254e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 57264e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 57271adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 57281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 5729842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 5730842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 5731183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 57323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 57333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 5734bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 5735183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 57363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 57373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 5738bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 57391adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 57403d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 5741ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 57423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 57434a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 57441adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 574572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 574672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 5747ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 574872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 574972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 575072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 575172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 575272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 575372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 57547c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 57557c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 575672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 575772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 575872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 575972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 5760c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 576172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 576272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 576372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 576472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 576572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 576672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 576772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 57681adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 57693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 57703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 57716217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 57726217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 5773447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5774447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5775447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5776447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5777447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, false, 5778447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 57793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 578007d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 578161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 578207d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 578361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 57843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 57853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 5786c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 5787c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 5788c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 57896217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 57906217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 5791447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5792447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5793447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5794447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5795447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer, 5796447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 5797c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 5798c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 5799c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 5800c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 5801c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 5802c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 5803c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 58041adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 58053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 58063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 58073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 58083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 58093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 58103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 58113d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 58123d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 5813447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5814447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSElem = LHSElem.getUnqualifiedType(); 5815447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSElem = RHSElem.getUnqualifiedType(); 5816447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5817447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5818447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSElem, RHSElem, false, Unqualified); 58193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 582061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 582161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 582261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 582361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 58243bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 58253bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 58263bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 58273bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 58283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 58293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 583061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 583161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 583261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 583361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 58343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 58353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 58363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 58373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 58383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 58393d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 58403d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 58413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 58423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 58433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 58443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 58453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 58463bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 58473bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 58487e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 58497e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 58503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 58511adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 5852447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return mergeFunctionTypes(LHS, RHS, OfBlockPointer, Unqualified); 585372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 585472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 58553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 58561adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 58573cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 58583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 585964cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 586064cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 586164cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 58623cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 58635a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 58641c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 58651c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 58663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 586761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 5868c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 5869c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 58705a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 58715a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 5872c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 5873c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 5874c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 58755fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 58765fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 58773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 587861490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 587914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 5880132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 5881132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 5882132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 5883a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian RHS->getAs<ObjCObjectPointerType>(), 5884a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian BlockReturnType)) 5885132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 5886132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 5887132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5888183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 5889183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 589014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 589114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5892bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 5893132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5894ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 589572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 589672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 5897ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 58987192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 58992390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 59002390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 59012390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 59022390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 59032390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 59042390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 59052390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 59062390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 59072390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 59082390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 59092390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 59102390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59112390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 59122390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 59132390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 59142390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 59152390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 59162390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 59172390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 59182390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59192390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 59202390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 59212390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 59222390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 59232390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 5924e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 5925e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getFunctionExtInfo(LHS); 59262390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 59272390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 5928e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FPT->getNumArgs(), EPI); 59292390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 59302390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 59312390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 59322390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59332390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 59342390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 59352390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 59362390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 59372390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 59382390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 59392390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 59402390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 59412390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 59422390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59432390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 59442390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 59452390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 59462390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 59472390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 59482390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 59492390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 59502390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 59512390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 59522390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 59532390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 59542390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59552390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 59562390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 59572390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 59582390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 59592390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 59602390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59612390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 59622390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 59632390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 59642390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 59652390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 59662390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 59672390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 59682390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 59692390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 59702390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 59712390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 59722390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 59732390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 59742390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 59755426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 5976ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 5977ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 597888054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 59794ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getIntWidth(QualType T) const { 5980f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const EnumType *ET = dyn_cast<EnumType>(T)) 598129a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 59821274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (T->isBooleanType()) 59831274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor return 1; 5984f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 5985ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 5986ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5987ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 5988ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 5989f60946222721d9ba3c059563935c17b84703187aDouglas Gregor assert(T->hasSignedIntegerRepresentation() && "Unexpected type"); 59906a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 59916a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 59926a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 59936a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 5994e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VTy->getNumElements(), VTy->getVectorKind()); 59956a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 59966a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 59976a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 5998ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 59996a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 60006a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 60016a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 6002ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 6003ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 6004ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 6005ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 6006ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 6007ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 6008ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 6009ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 6010ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 6011ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 6012ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 6013ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 60142df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 60152df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 6016ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 6017ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 6018ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 6019ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 6020ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 6021ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 60227b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios KyrtzidisASTMutationListener::~ASTMutationListener() { } 60237b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios Kyrtzidis 602486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 602586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 602686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 602786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 602886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 602986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 603033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// pointer over the consumed characters. This returns the resultant type. If 603133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// AllowTypeModifiers is false then modifier like * are not parsed, just basic 603233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// types. This allows "v2i*" to be parsed as a pointer to a v2i instead of 603333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// a vector of "i*". 603414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// 603514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// RequiresICE is filled in on return to indicate whether the value is required 603614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// to be an Integer Constant Expression. 60374ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType DecodeTypeFromStr(const char *&Str, const ASTContext &Context, 603886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 603914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool &RequiresICE, 604033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner bool AllowTypeModifiers) { 604186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 604286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 604386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 604414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = false; 6045393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 604633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Read the prefixed modifiers first. 604786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 604886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 604986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 60501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 6051393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner case 'I': 605214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = true; 6053393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner break; 605486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 605586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 605686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 605786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 605886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 605986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 606086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 606186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 606286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 606386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 606486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 606586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 606686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 606786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 606886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 606986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 607086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 607186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 60721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 607386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 607486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 607586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 607686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 607786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 607886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 607986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 608086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 608186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 608286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 608386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 608486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 608586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 608686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 608786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 608886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 608986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 609086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 609186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 609286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 609386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 609486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 609586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 609686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 609786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 609886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 609986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 610086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 610186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 610286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 610386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 610486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 610586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 610686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 610786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 610886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 610986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 611086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 611186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 611286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 611386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 611486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 611586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 611686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 611786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 611886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 611986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 612086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 612186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 612286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 612386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 612486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 612586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 612686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 612786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 612886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 612986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 613086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 6131ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'G': 6132ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCIdType(); 6133ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 6134ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'H': 6135ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCSelType(); 6136ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 613786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 613886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 613986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 614086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 614186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 614286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 614386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 614486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 614586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 614686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 614786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 614886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 614986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 615086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 615186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 615214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (Type->isArrayType()) 615386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 615414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner else 615586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 615686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 615786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 615886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 615986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 616086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 616186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 61621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 616314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, 616414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, false); 616514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require vector ICE"); 616633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner 616733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // TODO: No way to make AltiVec vectors in builtins yet. 6168788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Type = Context.getVectorType(ElementType, NumElements, 6169e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 617086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 617186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6172d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 617314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, RequiresICE, 617414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner false); 617514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require complex ICE"); 6176d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 6177d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 6178cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian } 6179cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian case 'Y' : { 6180cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian Type = Context.getPointerDiffType(); 6181cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian break; 6182cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian } 61839a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 6184c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 6185c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 6186f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 618786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 618886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6189fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 61909a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 6191f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 6192782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 6193f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 6194f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 6195f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 6196fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 6197f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 6198fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 6199fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 6200fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 6201782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 62021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 620333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // If there are modifiers and if we're allowed to parse them, go for it. 620433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Done = !AllowTypeModifiers; 620586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 6206187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 620733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner default: Done = true; --Str; break; 620833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '*': 620933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '&': { 621033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Both pointers and references can have their pointee types 621133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // qualified with an address space. 621233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner char *End; 621333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner unsigned AddrSpace = strtoul(Str, &End, 10); 621433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (End != Str && AddrSpace != 0) { 621533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getAddrSpaceQualType(Type, AddrSpace); 621633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Str = End; 621733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 621833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (c == '*') 621933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getPointerType(Type); 622033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner else 622133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getLValueReferenceType(Type); 622233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 622333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 622433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 622533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'C': 622633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Type.withConst(); 622733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 622833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'D': 622933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getVolatileType(Type); 623033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 623186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 623286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6233393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 623414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert((!RequiresICE || Type->isIntegralOrEnumerationType()) && 6235393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner "Integer constant 'I' type must be an integer"); 62361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 623786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 623886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 623986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 624086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 624133daae66462e8f51ee153463b32bdefd60c801aaChris LattnerQualType ASTContext::GetBuiltinType(unsigned Id, 624214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner GetBuiltinTypeError &Error, 62434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned *IntegerConstantArgs) const { 624433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(Id); 62451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 62465f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 8> ArgTypes; 62471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 624814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool RequiresICE = false; 624986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 625014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error, 625114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, true); 625286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 625386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 625414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 625514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Result of intrinsic cannot be required to be an ICE"); 625614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 625786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 625814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error, RequiresICE, true); 625986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 626086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 626186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 626214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // If this argument is required to be an IntegerConstantExpression and the 626314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // caller cares, fill in the bitmask we return. 626414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (RequiresICE && IntegerConstantArgs) 626514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner *IntegerConstantArgs |= 1 << ArgTypes.size(); 626614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 626786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 626886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 626986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 62701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 627186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 627286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 627386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 627486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 627586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 627686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 627700ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall FunctionType::ExtInfo EI; 627800ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (BuiltinInfo.isNoReturn(Id)) EI = EI.withNoReturn(true); 627900ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 628000ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall bool Variadic = (TypeStr[0] == '.'); 628100ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 628200ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall // We really shouldn't be making a no-proto type here, especially in C++. 628300ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (ArgTypes.empty() && Variadic) 628400ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall return getFunctionNoProtoType(ResType, EI); 6285ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 6286e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI; 628700ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.ExtInfo = EI; 628800ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.Variadic = Variadic; 6289e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 6290e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), EPI); 629186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 6292a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 629390e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForFunction(const FunctionDecl *FD) { 629490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage External = GVA_StrongExternal; 629590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 629690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = FD->getLinkage(); 629790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 629890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 629990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 630090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 630190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 630290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 630390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 630490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (FD->getTemplateSpecializationKind()) { 630590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 630690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 630790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_StrongExternal; 630890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 630990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 631090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 631190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 631290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 631390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 631490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 631590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_TemplateInstantiation; 631690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 631790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 631890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 631990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 632090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isInlined()) 632190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 632290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 632390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!getLangOptions().CPlusPlus || FD->hasAttr<GNUInlineAttr>()) { 632490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // GNU or C99 inline semantics. Determine whether this symbol should be 632590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // externally visible. 632690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->isInlineDefinitionExternallyVisible()) 632790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 632890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 632990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C99 inline semantics, where the symbol is not externally visible. 633090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 633190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 633290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 633390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C++0x [temp.explicit]p9: 633490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // [ Note: The intent is that an inline function that is the subject of 633590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // an explicit instantiation declaration will still be implicitly 633690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // instantiated when used so that the body can be considered for 633790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // inlining, but that no out-of-line copy of the inline function would be 633890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // generated in the translation unit. -- end note ] 633990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->getTemplateSpecializationKind() 634090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis == TSK_ExplicitInstantiationDeclaration) 634190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 634290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 634390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_CXXInline; 634490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 634590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 634690e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForVariable(const VarDecl *VD) { 634790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // If this is a static data member, compute the kind of template 634890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // specialization. Otherwise, this variable is not part of a 634990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // template. 635090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TemplateSpecializationKind TSK = TSK_Undeclared; 635190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (VD->isStaticDataMember()) 635290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TSK = VD->getTemplateSpecializationKind(); 635390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 635490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = VD->getLinkage(); 635590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 635690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis VD->getType()->getLinkage() == UniqueExternalLinkage) 635790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 635890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 635990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 636090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 636190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 636290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 636390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 636490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 636590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 636690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (TSK) { 636790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 636890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 636990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 637090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 637190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 637290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis llvm_unreachable("Variable should not be instantiated"); 637390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Fall through to treat this like any other instantiation. 637490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 637590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 637690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 637790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 637890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 637990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_TemplateInstantiation; 638090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 638190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 638290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 638390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 638490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 638590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 63864ac7c0bb39696e92fd220118fedc484c09a69870Argyrios Kyrtzidisbool ASTContext::DeclMustBeEmitted(const Decl *D) { 638790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 638890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!VD->isFileVarDecl()) 638990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 639094da1587f7d584fc61df793229d197969f204cd9Douglas Gregor } else if (!isa<FunctionDecl>(D) && !isa<ObjCMethodDecl>(D)) 639190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 639290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 6393ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis // Weak references don't produce any output by themselves. 6394ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (D->hasAttr<WeakRefAttr>()) 6395ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 6396ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 639790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Aliases and used decls are required. 639890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (D->hasAttr<AliasAttr>() || D->hasAttr<UsedAttr>()) 639990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 640090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 640190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 640290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Forward declarations aren't required. 640310620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt if (!FD->doesThisDeclarationHaveABody()) 6404dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky return FD->doesDeclarationForceExternallyVisibleDefinition(); 640590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 640690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Constructors and destructors are required. 640790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->hasAttr<ConstructorAttr>() || FD->hasAttr<DestructorAttr>()) 640890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 640990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 641090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // The key function for a class is required. 641190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 641290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXRecordDecl *RD = MD->getParent(); 641390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (MD->isOutOfLine() && RD->isDynamicClass()) { 641490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXMethodDecl *KeyFunc = getKeyFunction(RD); 641590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (KeyFunc && KeyFunc->getCanonicalDecl() == MD->getCanonicalDecl()) 641690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 641790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 641890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 641990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 642090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage Linkage = GetGVALinkageForFunction(FD); 642190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 642290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // static, static inline, always_inline, and extern inline functions can 642390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // always be deferred. Normal inline functions can be deferred in C99/C++. 642490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Implicit template instantiations can also be deferred in C++. 642590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (Linkage == GVA_Internal || Linkage == GVA_C99Inline || 642690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage == GVA_CXXInline || Linkage == GVA_TemplateInstantiation) 642790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 642890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 642990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 643090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 643194da1587f7d584fc61df793229d197969f204cd9Douglas Gregor if (const ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(D)) 643294da1587f7d584fc61df793229d197969f204cd9Douglas Gregor return Method->hasBody(); 643394da1587f7d584fc61df793229d197969f204cd9Douglas Gregor 643490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const VarDecl *VD = cast<VarDecl>(D); 643590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis assert(VD->isFileVarDecl() && "Expected file scoped var"); 643690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 6437ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (VD->isThisDeclarationADefinition() == VarDecl::DeclarationOnly) 6438ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 6439ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 644090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Structs that have non-trivial constructors or destructors are required. 644190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 644290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // FIXME: Handle references. 6443023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt // FIXME: Be more selective about which constructors we care about. 644490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const RecordType *RT = VD->getType()->getAs<RecordType>()) { 644590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl())) { 6446023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt if (RD->hasDefinition() && !(RD->hasTrivialDefaultConstructor() && 6447023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialCopyConstructor() && 6448023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialMoveConstructor() && 6449023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialDestructor())) 645090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 645190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 645290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 645390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 645490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage L = GetGVALinkageForVariable(VD); 645590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == GVA_Internal || L == GVA_TemplateInstantiation) { 645690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!(VD->getInit() && VD->getInit()->HasSideEffects(*this))) 645790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 645890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 645990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 646090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 646190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 6462071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 6463ee743f903858e337434ac0335f147f4de4ecae05Charles DavisCallingConv ASTContext::getDefaultMethodCallConv() { 6464ee743f903858e337434ac0335f147f4de4ecae05Charles Davis // Pass through to the C++ ABI object 6465ee743f903858e337434ac0335f147f4de4ecae05Charles Davis return ABI->getDefaultMethodCallConv(); 6466ee743f903858e337434ac0335f147f4de4ecae05Charles Davis} 6467ee743f903858e337434ac0335f147f4de4ecae05Charles Davis 64684ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::isNearlyEmpty(const CXXRecordDecl *RD) const { 6469dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson // Pass through to the C++ ABI object 6470dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson return ABI->isNearlyEmpty(RD); 6471dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson} 6472dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson 647314110477887e3dc168ffc6c191e72d705051f99ePeter CollingbourneMangleContext *ASTContext::createMangleContext() { 6474bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor switch (Target->getCXXABI()) { 647514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_ARM: 647614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Itanium: 647714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createItaniumMangleContext(*this, getDiagnostics()); 647814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Microsoft: 647914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createMicrosoftMangleContext(*this, getDiagnostics()); 648014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne } 648114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne assert(0 && "Unsupported ABI"); 648214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return 0; 648314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne} 648414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 6485071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI::~CXXABI() {} 6486ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek 6487ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremeneksize_t ASTContext::getSideTableAllocatedMemory() const { 64880c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek return ASTRecordLayouts.getMemorySize() 64890c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(ObjCLayouts) 64900c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(KeyFunctions) 64910c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(ObjCImpls) 64920c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(BlockVarCopyInits) 64930c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(DeclAttrs) 64940c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromStaticDataMember) 64950c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromUsingDecl) 64960c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromUsingShadowDecl) 64970c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromUnnamedFieldDecl) 64980c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(OverriddenMethods) 64990c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(Types) 6500af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet + llvm::capacity_in_bytes(VariableArrayTypes) 65010d95f0d7b81110f77e99e833f766d19be7b7e072Francois Pichet + llvm::capacity_in_bytes(ClassScopeSpecializationPattern); 6502ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek} 6503